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www.busuu.com Open in urlscan Pro
63.32.157.223  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: https://clicktime.symantec.com/3Rv9QdMMtRS6pQDG82ohq5p7Vc?u=http%3A%2F%2Flink.notifications.busuu.com%2Fls%2Fclick%3Fupn%3DZKM7...
Effective URL: https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXIST...
Submission Tags: falconsandbox
Submission: On October 15 via api from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 29 IPs in 8 countries across 21 domains to perform 54 HTTP transactions. The main IP is 63.32.157.223, located in Dublin, Ireland and belongs to AMAZON-02, US. The main domain is www.busuu.com.
TLS certificate: Issued by Amazon on October 14th 2020. Valid for: a year.
This is the only time www.busuu.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 35.156.126.7 16509 (AMAZON-02)
1 1 167.89.115.56 11377 (SENDGRID)
1 63.32.157.223 16509 (AMAZON-02)
3 99.86.7.33 16509 (AMAZON-02)
1 2a02:26f0:6c0... 20940 (AKAMAI-ASN1)
1 2.17.191.240 16625 (AKAMAI-AS)
1 34.96.80.159 15169 (GOOGLE)
4 52.49.61.217 16509 (AMAZON-02)
6 52.200.208.53 14618 (AMAZON-AES)
1 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
2 2620:1ec:c11:... 8068 (MICROSOFT...)
1 4 2a02:6b8::1:119 13238 (YANDEX)
2 2a03:2880:f01... 32934 (FACEBOOK)
1 104.108.145.107 16625 (AKAMAI-AS)
2 151.101.113.44 54113 (FASTLY)
2 46.101.154.21 14061 (DIGITALOC...)
1 2.16.110.25 20940 (AKAMAI-ASN1)
1 3.214.152.179 14618 (AMAZON-AES)
1 2a02:2638:1::3 44788 (ASN-CRITE...)
1 178.250.2.151 44788 (ASN-CRITE...)
1 2a02:2638:1::13 44788 (ASN-CRITE...)
2 2a03:2880:f11... 32934 (FACEBOOK)
1 2a00:1450:400... 15169 (GOOGLE)
2 64.202.112.95 22075 (AS-OUTBRAIN)
4 185.151.204.6 61273 (ADJUST-NL)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 151.101.14.133 54113 (FASTLY)
2 3.213.63.216 14618 (AMAZON-AES)
3 141.226.228.48 200478 (TABOOLA-AS)
54 29
1    35.156.126.7 (Frankfurt am Main, Germany)

ASN16509 (AMAZON-02, US)
PTR: ec2-35-156-126-7.eu-central-1.compute.amazonaws.com
clicktime.symantec.com
1    167.89.115.56 (United States)

ASN11377 (SENDGRID, US)
PTR: o16789115x56.outbound-mail.sendgrid.net
link.notifications.busuu.com
1    63.32.157.223 (Dublin, Ireland)

ASN16509 (AMAZON-02, US)
PTR: ec2-63-32-157-223.eu-west-1.compute.amazonaws.com
www.busuu.com
3    99.86.7.33 (Seattle, United States)

ASN16509 (AMAZON-02, US)
PTR: server-99-86-7-33.fra6.r.cloudfront.net
cdn.busuu.com
1    2a02:26f0:6c00:284::13b8 (Ascension Island)

ASN20940 (AKAMAI-ASN1, EU)
cdn.optimizely.com
1    2.17.191.240 (Ascension Island)

ASN16625 (AKAMAI-AS, US)
PTR: a2-17-191-240.deploy.static.akamaitechnologies.com
a8271132298.cdn.optimizely.com
1    34.96.80.159 (United States)

ASN15169 (GOOGLE, US)
PTR: 159.80.96.34.bc.googleusercontent.com
cdn.adjust.com
4    52.49.61.217 (Dublin, Ireland)

ASN16509 (AMAZON-02, US)
PTR: ec2-52-49-61-217.eu-west-1.compute.amazonaws.com
events.busuu.com
6    52.200.208.53 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-52-200-208-53.compute-1.amazonaws.com
errors.client.optimizely.com
1    2a00:1450:4001:806::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
2    2a00:1450:4001:809::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
2    2620:1ec:c11::200 (United States)

ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
bat.bing.com
4    2a02:6b8::1:119 (Moscow, Russian Federation)

ASN13238 (YANDEX, RU)
mc.yandex.ru
2    2a03:2880:f01c:8012:face:b00c:0:3 (Ireland)

ASN32934 (FACEBOOK, US)
connect.facebook.net
1    104.108.145.107 (United States)

ASN16625 (AKAMAI-AS, US)
PTR: a104-108-145-107.deploy.static.akamaitechnologies.com
amplify.outbrain.com
2    151.101.113.44 (Frankfurt am Main, Germany)

ASN54113 (FASTLY, US)
cdn.taboola.com
trc.taboola.com
2    46.101.154.21 (Frankfurt am Main, Germany)

ASN14061 (DIGITALOCEAN-ASN, US)
front.optimonk.com
1    2.16.110.25 (Ascension Island)

ASN20940 (AKAMAI-ASN1, EU)
PTR: a2-16-110-25.deploy.static.akamaitechnologies.com
analytics.tiktok.com
1    3.214.152.179 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-3-214-152-179.compute-1.amazonaws.com
q.quora.com
1    2a02:2638:1::3 (France)

ASN44788 (ASN-CRITEO-EUROPE, FR)
static.criteo.net
1    178.250.2.151 (France)

ASN44788 (ASN-CRITEO-EUROPE, FR)
sslwidget.criteo.com
1    2a02:2638:1::13 (France)

ASN44788 (ASN-CRITEO-EUROPE, FR)
gum.criteo.com
2    2a03:2880:f11c:8183:face:b00c:0:25de (Ireland)

ASN32934 (FACEBOOK, US)
www.facebook.com
1    2a00:1450:400c:c00::9a (Brussels, Belgium)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
2    64.202.112.95 (United States)

ASN22075 (AS-OUTBRAIN, US)
PTR: ny.outbrain.com
tr.outbrain.com
4    185.151.204.6 (Germany)

ASN61273 (ADJUST-NL, DE)
app.adjust.com
1    2a00:1450:4001:818::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.com
1    2a00:1450:4001:802::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.de
1    151.101.14.133 (Frankfurt am Main, Germany)

ASN54113 (FASTLY, US)
sf19-scmcdn-va.ibytedtos.com
2    3.213.63.216 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-3-213-63-216.compute-1.amazonaws.com
logx.optimizely.com
3    141.226.228.48 (Netherlands)

ASN200478 (TABOOLA-AS, IL)
trc-events.taboola.com
Domain Requested by
6 errors.client.optimizely.com cdn.busuu.com
4 app.adjust.com cdn.busuu.com
4 mc.yandex.ru 1 redirects www.busuu.com
4 events.busuu.com cdn.busuu.com
3 trc-events.taboola.com cdn.busuu.com
3 cdn.busuu.com www.busuu.com
cdn.busuu.com
2 logx.optimizely.com cdn.busuu.com
2 tr.outbrain.com amplify.outbrain.com
2 www.facebook.com connect.facebook.net
2 front.optimonk.com www.busuu.com
cdn.busuu.com
2 connect.facebook.net www.busuu.com
connect.facebook.net
2 bat.bing.com www.busuu.com
2 www.google-analytics.com www.googletagmanager.com
cdn.busuu.com
1 sf19-scmcdn-va.ibytedtos.com analytics.tiktok.com
1 www.google.de
1 www.google.com
1 trc.taboola.com cdn.taboola.com
1 stats.g.doubleclick.net cdn.busuu.com
1 gum.criteo.com static.criteo.net
1 sslwidget.criteo.com static.criteo.net
1 static.criteo.net www.googletagmanager.com
1 q.quora.com
1 analytics.tiktok.com www.busuu.com
1 cdn.taboola.com www.busuu.com
1 amplify.outbrain.com www.busuu.com
1 www.googletagmanager.com cdn.busuu.com
1 cdn.adjust.com cdn.busuu.com
1 a8271132298.cdn.optimizely.com cdn.optimizely.com
1 cdn.optimizely.com www.busuu.com
1 www.busuu.com
1 link.notifications.busuu.com 1 redirects
1 clicktime.symantec.com 1 redirects
54 32

This site contains no links.

Subject Issuer Validity Valid
busuu.com
Amazon		 2020-10-14 -
2021-11-12		 a year crt.sh
cdn.busuu.com
Amazon		 2020-10-07 -
2021-11-07		 a year crt.sh
cdn.optimizely.com
DigiCert SHA2 Secure Server CA		 2020-01-20 -
2021-03-20		 a year crt.sh
*.cdn.optimizely.com
GeoTrust RSA CA 2018		 2020-03-05 -
2021-06-04		 a year crt.sh
cdn.adjust.com
GTS CA 1D2		 2020-09-24 -
2020-12-23		 3 months crt.sh
*.busuu.com
Go Daddy Secure Certificate Authority - G2		 2017-12-05 -
2021-02-03		 3 years crt.sh
*.google-analytics.com
GTS CA 1O1		 2020-09-22 -
2020-12-15		 3 months crt.sh
errors.client.optimizely.com
Amazon		 2020-09-02 -
2021-10-02		 a year crt.sh
www.bing.com
Microsoft IT TLS CA 2		 2019-04-30 -
2021-04-30		 2 years crt.sh
mc.yandex.ru
Yandex CA		 2020-09-29 -
2021-03-11		 5 months crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA		 2020-09-11 -
2020-12-10		 3 months crt.sh
*.outbrain.com
DigiCert SHA2 Secure Server CA		 2020-03-09 -
2021-06-08		 a year crt.sh
*.taboola.com
DigiCert SHA2 Secure Server CA		 2020-08-10 -
2021-12-31		 a year crt.sh
*.optimonk.com
AlphaSSL CA - SHA256 - G2		 2020-04-25 -
2021-04-26		 a year crt.sh
*.tiktok.com
RapidSSL RSA CA 2018		 2019-11-14 -
2022-01-12		 2 years crt.sh
*.quora.com
Let's Encrypt Authority X3		 2020-10-04 -
2021-01-02		 3 months crt.sh
*.criteo.net
DigiCert ECC Secure Server CA		 2020-09-04 -
2020-12-03		 3 months crt.sh
*.criteo.com
DigiCert ECC Secure Server CA		 2020-09-04 -
2020-12-03		 3 months crt.sh
*.g.doubleclick.net
GTS CA 1O1		 2020-09-22 -
2020-12-15		 3 months crt.sh
app.adjust.com
DigiCert SHA2 Extended Validation Server CA		 2020-01-15 -
2022-04-19		 2 years crt.sh
www.google.com
GTS CA 1O1		 2020-09-22 -
2020-12-15		 3 months crt.sh
www.google.de
GTS CA 1O1		 2020-09-22 -
2020-12-15		 3 months crt.sh
*.ibytedtos.com
RapidSSL RSA CA 2018		 2020-05-12 -
2022-05-12		 2 years crt.sh
logx.optimizely.com
Amazon		 2020-09-21 -
2021-10-21		 a year crt.sh

This page contains 3 frames:

Primary Page: https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
Frame ID: 3B8656A7204D12ADD176287B6DFC5F2E
Requests: 45 HTTP requests in this frame

Frame: https://a8271132298.cdn.optimizely.com/client_storage/a8271132298.html
Frame ID: D03A0DB137BCC895BA0A4C210F906E18
Requests: 1 HTTP requests in this frame

Frame: https://gum.criteo.com/syncframe?topUrl=www.busuu.com
Frame ID: A87C4096DD52E47571E7C0E43A165950
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

  1. https://clicktime.symantec.com/3Rv9QdMMtRS6pQDG82ohq5p7Vc?u=http%3A%2F%2Flink.notifications.busuu.com%2Fls%... HTTP 307
    http://link.notifications.busuu.com/ls/click?upn=ZKM7Bp4OYLjoCfpbOQ9LGA8A8dsFZd1ecLCbGOQpXutGLc0-2FhzOt7ahsXsoc4... HTTP 302
    https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&ut... Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /nginx(?:\/([\d.]+))?/i
Overall confidence: 100%
Detected patterns
  • script /\/\/connect\.facebook\.net\/[^/]*\/[a-z]*\.js/i
Overall confidence: 100%
Detected patterns
  • script /google-analytics\.com\/(?:ga|urchin|analytics)\.js/i
Overall confidence: 100%
Detected patterns
  • script /mc\.yandex\.ru\/metrika\/watch\.js/i

Page Statistics

54
Requests

100 %
HTTPS

39 %
IPv6

21
Domains

32
Subdomains

29
IPs

8
Countries

587 kB
Transfer

1782 kB
Size

3
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://clicktime.symantec.com/3Rv9QdMMtRS6pQDG82ohq5p7Vc?u=http%3A%2F%2Flink.notifications.busuu.com%2Fls%2Fclick%3Fupn%3DZKM7Bp4OYLjoCfpbOQ9LGA8A8dsFZd1ecLCbGOQpXutGLc0-2FhzOt7ahsXsoc4Db4MLG5wjDa-2B49vhJjBMoqktN1O29Plj7t8mchV1nQ0YceCAEFYcl-2Bj3RpXte-2BQZ9KM-2FQd319qiIthpi4y4gIuuSDW-2F8dP5SRAs4FeimZ92VarHDTtW2PP-2FzyXPbq7ySndzZb48_yI-2B-2FX8f-2FKm-2FMDp52iT7U5QsKXp-2FZ6VRpAezpGoPx-2FPvTi6opWPZ0oWcMh3FHVM4uCywtmK7INxZk6vwRfK482Y8d5UE0ExkpBmPBrqRfrRqtHYSAAnGURLTIKbzbbCcs18ArFNjwght-2BP-2F-2B-2Fs0Ji4K4O219rsCgpcVbuwAYjNiHol-2FXr1Ntz0jLUoYwGpM9tLF1gJu5SwmIbE2MgOLLut8dkyv1-2BC3AeAvWyW1B5bw4PRmBdkXYfwNRcs9cJO3s0IjXWEco7zR0346sO24E5nixGDfYE2C-2FrwR5OkImzv3V98Aj9QjXhYgq-2By-2B3TXL4BWtcjjcPAoUNHpxLgLfHfxomzGX0YfRECCiT624Sx7wZKAKIBi-2BOLE-2BUQT3m7BfvHAZC-2FjHx3mbx0gXzp6oTpiX-2BWEAbuz-2BP5D4Y3jPOJOJqf-2FoQIzGShRi29YddY1C9AXYUg4essCDg96ZiI7z8qFtRvNPsnuhvteYDqnp6i-2Bb5O7uRoJvmbTqXN9BRprdarAI2gAOGLXvlnG0PyBjzNXqbKZ3rzdmwI0QVjZ5Q2jLvOwdE42wnpEmmwbAPe6wNYGe6PLl-2F4kxbXczl6vQxQrvb1rYEp7jLCnUkcs-2BdoqepTzVZCgW06rIq3cvcQdmkJsUNS261qnjVRcIDByX5JEA-3D-3D HTTP 307
    http://link.notifications.busuu.com/ls/click?upn=ZKM7Bp4OYLjoCfpbOQ9LGA8A8dsFZd1ecLCbGOQpXutGLc0-2FhzOt7ahsXsoc4Db4MLG5wjDa-2B49vhJjBMoqktN1O29Plj7t8mchV1nQ0YceCAEFYcl-2Bj3RpXte-2BQZ9KM-2FQd319qiIthpi4y4gIuuSDW-2F8dP5SRAs4FeimZ92VarHDTtW2PP-2FzyXPbq7ySndzZb48_yI-2B-2FX8f-2FKm-2FMDp52iT7U5QsKXp-2FZ6VRpAezpGoPx-2FPvTi6opWPZ0oWcMh3FHVM4uCywtmK7INxZk6vwRfK482Y8d5UE0ExkpBmPBrqRfrRqtHYSAAnGURLTIKbzbbCcs18ArFNjwght-2BP-2F-2B-2Fs0Ji4K4O219rsCgpcVbuwAYjNiHol-2FXr1Ntz0jLUoYwGpM9tLF1gJu5SwmIbE2MgOLLut8dkyv1-2BC3AeAvWyW1B5bw4PRmBdkXYfwNRcs9cJO3s0IjXWEco7zR0346sO24E5nixGDfYE2C-2FrwR5OkImzv3V98Aj9QjXhYgq-2By-2B3TXL4BWtcjjcPAoUNHpxLgLfHfxomzGX0YfRECCiT624Sx7wZKAKIBi-2BOLE-2BUQT3m7BfvHAZC-2FjHx3mbx0gXzp6oTpiX-2BWEAbuz-2BP5D4Y3jPOJOJqf-2FoQIzGShRi29YddY1C9AXYUg4essCDg96ZiI7z8qFtRvNPsnuhvteYDqnp6i-2Bb5O7uRoJvmbTqXN9BRprdarAI2gAOGLXvlnG0PyBjzNXqbKZ3rzdmwI0QVjZ5Q2jLvOwdE42wnpEmmwbAPe6wNYGe6PLl-2F4kxbXczl6vQxQrvb1rYEp7jLCnUkcs-2BdoqepTzVZCgW06rIq3cvcQdmkJsUNS261qnjVRcIDByX5JEA-3D-3D HTTP 302
    https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 42
  • https://mc.yandex.ru/watch/18930853?wmode=7&page-url=https%3A%2F%2Fwww.busuu.com%2Fzh%2Fchoose-your-language%3Futm_source%3DCRM%26utm_group%3DCHI%26utm_medium%3DEMAIL_B2B%26utm_campaign%3DNON_EXISTING_STUDENT&charset=utf-8&ut=noindex&site-info=%7B%7D&browser-info=ti%3A10%3Ans%3A1602733271373%3As%3A1600x1200x24%3Ask%3A1%3Ahdl%3A1%3Afpr%3A216613626101%3Acn%3A1%3Aw%3A1600x1200%3Az%3A120%3Ai%3A20201015054113%3Aet%3A1602733273%3Aen%3Autf-8%3Ac%3A1%3Ala%3Aen-us%3Awh%3A1%3Apv%3A1%3Als%3A459992294596%3Arqn%3A1%3Arn%3A38538932%3Ahid%3A114408070%3Ads%3A8%2C65%2C50%2C18%2C923%2C0%2C0%2C330%2C0%2C1507%2C1507%2C2%2C1408%3Afp%3A1382%3Awn%3A10955%3Ahl%3A2%3Agdpr%3A14%3Av%3A1962%3Arqnl%3A1%3Ast%3A1602733273%3Au%3A1602733273339319096%3At%3A%E4%BD%A0%E6%83%B3%E5%AD%A6%E4%B9%A0%E5%93%AA%E7%A7%8D%E8%AF%AD%E8%A8%80%3F%20-%20%E5%8D%9A%E6%A0%91 HTTP 302
  • https://mc.yandex.ru/watch/18930853/1?wmode=7&page-url=https%3A%2F%2Fwww.busuu.com%2Fzh%2Fchoose-your-language%3Futm_source%3DCRM%26utm_group%3DCHI%26utm_medium%3DEMAIL_B2B%26utm_campaign%3DNON_EXISTING_STUDENT&charset=utf-8&ut=noindex&site-info=%7B%7D&browser-info=ti%3A10%3Ans%3A1602733271373%3As%3A1600x1200x24%3Ask%3A1%3Ahdl%3A1%3Afpr%3A216613626101%3Acn%3A1%3Aw%3A1600x1200%3Az%3A120%3Ai%3A20201015054113%3Aet%3A1602733273%3Aen%3Autf-8%3Ac%3A1%3Ala%3Aen-us%3Awh%3A1%3Apv%3A1%3Als%3A459992294596%3Arqn%3A1%3Arn%3A38538932%3Ahid%3A114408070%3Ads%3A8%2C65%2C50%2C18%2C923%2C0%2C0%2C330%2C0%2C1507%2C1507%2C2%2C1408%3Afp%3A1382%3Awn%3A10955%3Ahl%3A2%3Agdpr%3A14%3Av%3A1962%3Arqnl%3A1%3Ast%3A1602733273%3Au%3A1602733273339319096%3At%3A%E4%BD%A0%E6%83%B3%E5%AD%A6%E4%B9%A0%E5%93%AA%E7%A7%8D%E8%AF%AD%E8%A8%80%3F%20-%20%E5%8D%9A%E6%A0%91

54 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request choose-your-language
www.busuu.com/zh/
Redirect Chain
  • https://clicktime.symantec.com/3Rv9QdMMtRS6pQDG82ohq5p7Vc?u=http%3A%2F%2Flink.notifications.busuu.com%2Fls%2Fclick%3Fupn%3DZKM7Bp4OYLjoCfpbOQ9LGA8A8dsFZd1ecLCbGOQpXutGLc0-2FhzOt7ahsXsoc4Db4MLG5wjDa...
  • http://link.notifications.busuu.com/ls/click?upn=ZKM7Bp4OYLjoCfpbOQ9LGA8A8dsFZd1ecLCbGOQpXutGLc0-2FhzOt7ahsXsoc4Db4MLG5wjDa-2B49vhJjBMoqktN1O29Plj7t8mchV1nQ0YceCAEFYcl-2Bj3RpXte-2BQZ9KM-2FQd319qiIt...
  • https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
133 KB
41 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
63.32.157.223 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-63-32-157-223.eu-west-1.compute.amazonaws.com
Software
nginx /
Resource Hash
992b7462b1bc65e4fca3caf05b9d8f882fe0e98670f42e31b186fb177909b217
Security Headers
Name Value
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https
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https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
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Host: cdn.optimizely.com
URL: https://cdn.optimizely.com/js/8271132298.js
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strict-transport-security
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URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
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TLS 1.3, , AES_128_GCM
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Response headers

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https://events.busuu.com/com.snowplowanalytics.snowplow/tp2
Protocol
HTTP/1.1
Server
52.49.61.217 Dublin, Ireland, ASN16509 (AMAZON-02, US),
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Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
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https://errors.client.optimizely.com/log
Protocol
HTTP/1.1
Server
52.200.208.53 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
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https://errors.client.optimizely.com/log
Protocol
HTTP/1.1
Server
52.200.208.53 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-200-208-53.compute-1.amazonaws.com
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https://errors.client.optimizely.com/log
Protocol
HTTP/1.1
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13
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keep-alive
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50 KB 		Script
General
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Response headers

date
Thu, 15 Oct 2020 03:41:12 GMT
content-encoding
br
vary
Accept-Encoding
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200
cross-origin-resource-policy
cross-origin
alt-svc
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51071
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server
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strict-transport-security
max-age=31536000; includeSubDomains
content-type
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access-control-allow-origin
*
cache-control
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true
access-control-allow-headers
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expires
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log
errors.client.optimizely.com/ 		0
239 B 		XHR
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https://errors.client.optimizely.com/log
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Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.200.208.53 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software
/
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Referer
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Content-Type
application/json

Response headers

Access-Control-Allow-Origin
https://www.busuu.com
Access-Control-Expose-Headers
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true
Connection
keep-alive
Date
Thu, 15 Oct 2020 03:41:13 GMT
Content-Type
text/plain
log
errors.client.optimizely.com/ 		0
239 B 		XHR
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https://errors.client.optimizely.com/log
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Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.200.208.53 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-200-208-53.compute-1.amazonaws.com
Software
/
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Request headers

Referer
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User-Agent
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Content-Type
application/json

Response headers

Access-Control-Allow-Origin
https://www.busuu.com
Access-Control-Expose-Headers
Access-Control-Allow-Credentials
true
Connection
keep-alive
Date
Thu, 15 Oct 2020 03:41:13 GMT
Content-Type
text/plain
log
errors.client.optimizely.com/ 		0
239 B 		XHR
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https://errors.client.optimizely.com/log
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Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.200.208.53 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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Software
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Request headers

Referer
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Content-Type
application/json

Response headers

Access-Control-Allow-Origin
https://www.busuu.com
Access-Control-Expose-Headers
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keep-alive
Date
Thu, 15 Oct 2020 03:41:13 GMT
Content-Type
text/plain
analytics.js
www.google-analytics.com/ 		45 KB
19 KB 		Script
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Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-WSFLB2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:809::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
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Software
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Security Headers
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Request headers

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User-Agent
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Response headers

strict-transport-security
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content-encoding
gzip
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server
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age
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date
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vary
Accept-Encoding
content-type
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status
200
cache-control
public, max-age=7200
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content-length
18650
expires
Thu, 15 Oct 2020 05:15:38 GMT
bat.js
bat.bing.com/ 		27 KB
8 KB 		Script
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Host: www.busuu.com
URL: https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
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H2
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TLS 1.2, ECDHE_RSA, AES_256_GCM
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Request headers

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User-Agent
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Response headers

date
Thu, 15 Oct 2020 03:41:12 GMT
content-encoding
gzip
last-modified
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x-msedge-ref
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43 KB 		Script
General
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URL: https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
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User-Agent
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Response headers

Date
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Content-Encoding
br
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ETag
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Strict-Transport-Security
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Thu, 15 Oct 2020 04:41:13 GMT
fbevents.js
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23 KB 		Script
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https://connect.facebook.net/en_US/fbevents.js
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Host: www.busuu.com
URL: https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
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TLS 1.3, , AES_128_GCM
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User-Agent
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content-security-policy
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expires
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3 KB 		Script
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URL: https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
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TLS 1.2, ECDHE_RSA, AES_256_GCM
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Software
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User-Agent
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Response headers

Date
Thu, 15 Oct 2020 03:41:13 GMT
Content-Encoding
gzip
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2883
Expires
Thu, 15 Oct 2020 04:01:13 GMT
tfa.js
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21 KB 		Script
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URL: https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
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H2
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TLS 1.3, , AES_128_GCM
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Software
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Request headers

Referer
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

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12 KB 		Script
General
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URL: https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
46.101.154.21 Frankfurt am Main, Germany, ASN14061 (DIGITALOCEAN-ASN, US),
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nginx /
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Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
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Response headers

date
Thu, 15 Oct 2020 03:41:13 GMT
content-encoding
gzip
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server
nginx
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200
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W/"bb6e-pxdL/guSY4W71snaFAa1dy4uVzQ"
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sdk.js
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URL: https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
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TLS 1.3, , AES_256_GCM
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ed8b0e03.d1eb1db4
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gzip
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Cache-Control
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nginx
Pragma
no-cache
X-Cache-Remote
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Thu, 15 Oct 2020 03:41:13 GMT
pixel
q.quora.com/_/ad/d9563b96e9824c4e92c3acca15a287bd/ 		43 B
420 B 		Image
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https://q.quora.com/_/ad/d9563b96e9824c4e92c3acca15a287bd/pixel?tag=ViewContent&i=gtm&u=https%3A%2F%2Fwww.busuu.com%2Fzh%2Fchoose-your-language%3Futm_source%3DCRM%26utm_group%3DCHI%26utm_medium%3DEMAIL_B2B%26utm_campaign%3DNON_EXISTING_STUDENT
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HTTP/1.1
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3.214.152.179 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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ec2-3-214-152-179.compute-1.amazonaws.com
Software
nginx /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload

Request headers

Referer
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Thu, 15 Oct 2020 03:41:13 GMT
Server
nginx
Connection
keep-alive
Content-Length
43
Strict-Transport-Security
max-age=63072000; includeSubDomains; preload
X-Q-Stat
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Content-Type
image/gif
ld.js
static.criteo.net/js/ld/ 		36 KB
12 KB 		Script
General
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https://static.criteo.net/js/ld/ld.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-WSFLB2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a02:2638:1::3 , France, ASN44788 (ASN-CRITEO-EUROPE, FR),
Reverse DNS
Software
nginx /
Resource Hash
0f6204713c11eeb6d7648e3401617e22f8e88f96cd517a538dc018ac2ab7bdf2

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Thu, 15 Oct 2020 03:41:12 GMT
content-encoding
gzip
last-modified
Mon, 14 Sep 2020 13:03:43 GMT
server
nginx
etag
W/"5f5f6a2f-90a2"
status
200
content-type
text/javascript
access-control-allow-origin
*
cache-control
max-age=86400, public
timing-allow-origin
*
expires
Fri, 16 Oct 2020 03:41:12 GMT
collect
www.google-analytics.com/j/ 		2 B
427 B 		XHR
General
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https://www.google-analytics.com/j/collect?v=1&_v=j86&a=164845340&t=pageview&_s=1&dl=https%3A%2F%2Fwww.busuu.com%2Fzh%2Fchoose-your-language%3Futm_source%3DCRM%26utm_group%3DCHI%26utm_medium%3DEMAIL_B2B%26utm_campaign%3DNON_EXISTING_STUDENT&ul=en-us&de=UTF-8&dt=%E4%BD%A0%E6%83%B3%E5%AD%A6%E4%B9%A0%E5%93%AA%E7%A7%8D%E8%AF%AD%E8%A8%80%3F%20-%20%E5%8D%9A%E6%A0%91&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YEBAAEABAAAAAC~&jid=398674726&gjid=1681262324&cid=167996159.1602733273&tid=UA-2963417-1&_gid=231611333.1602733273&_r=1&gtm=2wg9u1WSFLB2&z=1828876413
Requested by
Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
Protocol
H3-Q050
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:809::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
de3246094525b21a870fc7d2a67490d0132535c6fa5993755c549f1a9d1bd8af
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Name Value
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Request headers

Referer
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Thu, 15 Oct 2020 03:41:13 GMT
x-content-type-options
nosniff
last-modified
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server
Golfe2
status
200
content-type
text/plain
access-control-allow-origin
https://www.busuu.com
cache-control
no-cache, no-store, must-revalidate
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true
cross-origin-resource-policy
cross-origin
alt-svc
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content-length
2
expires
Fri, 01 Jan 1990 00:00:00 GMT
201847666814697
connect.facebook.net/signals/config/ 		234 KB
69 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://connect.facebook.net/signals/config/201847666814697?v=2.9.27&r=stable
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/fbevents.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f01c:8012:face:b00c:0:3 , Ireland, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
/
Resource Hash
2040e879a51f1e5277060f27c1b93bd68160d79ab8a4ac592ac00507930e926f
Security Headers
Name Value
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X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 0

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

content-security-policy
default-src * data: blob: 'self';script-src *.facebook.com *.fbcdn.net *.facebook.net *.google-analytics.com *.virtualearth.net *.google.com 127.0.0.1:* *.spotilocal.com:* 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net *.spotilocal.com:* wss://*.facebook.com:* https://fb.scanandcleanlocal.com:* attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' chrome-extension://boadgeojelhgndaghljhdicfkmllpafd chrome-extension://dliochdbjfkdbacpmhlcpmleaejidimm;block-all-mixed-content;upgrade-insecure-requests;
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gzip
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nosniff
status
200
alt-svc
h3-29=":443"; ma=3600,h3-27=":443"; ma=3600
content-length
69881
x-xss-protection
0
pragma
public
x-fb-debug
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x-fb-trip-id
664085054
x-frame-options
DENY
date
Thu, 15 Oct 2020 03:41:12 GMT
strict-transport-security
max-age=31536000; preload; includeSubDomains
content-type
application/x-javascript; charset=utf-8
vary
Accept-Encoding
cache-control
public, max-age=1200
expires
Sat, 01 Jan 2000 00:00:00 GMT
0
bat.bing.com/action/ 		0
147 B 		Image
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https://bat.bing.com/action/0?ti=4023618&Ver=2&mid=4f0128cb-983f-4655-9161-69483a502228&sid=4591a7a00e9811eb9312edd95ef784db&vid=4591e7e00e9811eb9aa1e95984959590&vids=1&pi=0&lg=en-US&sw=1600&sh=1200&sc=24&tl=%E4%BD%A0%E6%83%B3%E5%AD%A6%E4%B9%A0%E5%93%AA%E7%A7%8D%E8%AF%AD%E8%A8%80%3F%20-%20%E5%8D%9A%E6%A0%91&p=https%3A%2F%2Fwww.busuu.com%2Fzh%2Fchoose-your-language%3Futm_source%3DCRM%26utm_group%3DCHI%26utm_medium%3DEMAIL_B2B%26utm_campaign%3DNON_EXISTING_STUDENT&r=&lt=1509&evt=pageLoad&msclkid=N&sv=1&rn=154394
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2620:1ec:c11::200 , United States, ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

status
204
pragma
no-cache
date
Thu, 15 Oct 2020 03:41:12 GMT
cache-control
no-cache, must-revalidate
x-msedge-ref
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access-control-allow-origin
*
expires
Fri, 01 Jan 1990 00:00:00 GMT
event
sslwidget.criteo.com/ 		22 B
576 B 		Script
General
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https://sslwidget.criteo.com/event?a=&v=5.6.2&p0=e%3Dexd%26site_type%3Dd&p1=e%3Dvp%26p%3D1%26ctots%3D1602733273&adce=1&tld=busuu.com&dtycbr=33811
Requested by
Host: static.criteo.net
URL: https://static.criteo.net/js/ld/ld.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
178.250.2.151 , France, ASN44788 (ASN-CRITEO-EUROPE, FR),
Reverse DNS
Software
Microsoft-IIS/10.0 / ASP.NET
Resource Hash
da6e1c11412d9c8f3d86b7e2a9bd9eefffced41573b6f44d3a6fe4d0ae32bb91

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 15 Oct 2020 03:41:12 GMT
content-encoding
gzip
server
Microsoft-IIS/10.0
timing-allow-origin
*
x-powered-by
ASP.NET
vary
Accept-Encoding
p3p
NON DSP COR CURa PSA PSD OUR BUS NAV STA
status
200
cache-control
no-cache
server-processing-duration-in-ticks
9310
content-type
application/x-javascript
content-length
147
expires
0
syncframe
gum.criteo.com/ Frame A87C 		0
0 		Document
General
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https://gum.criteo.com/syncframe?topUrl=www.busuu.com
Requested by
Host: static.criteo.net
URL: https://static.criteo.net/js/ld/ld.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a02:2638:1::13 , France, ASN44788 (ASN-CRITEO-EUROPE, FR),
Reverse DNS
Software
/
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

:method
GET
:authority
gum.criteo.com
:scheme
https
:path
/syncframe?topUrl=www.busuu.com
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site
cross-site
sec-fetch-mode
navigate
sec-fetch-dest
iframe
referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
accept-encoding
gzip, deflate, br
accept-language
en-US
Upgrade-Insecure-Requests
1
User-Agent
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Referer
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Response headers

status
200
cache-control
private, max-age=0
content-type
text/html; charset=utf-8
strict-transport-security
max-age=31536000
server-processing-duration-in-ticks
486
date
Thu, 15 Oct 2020 03:41:13 GMT
content-length
0
/
www.facebook.com/tr/ 		44 B
379 B 		Image
General
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Full URL
https://www.facebook.com/tr/?id=201847666814697&ev=PageView&dl=https%3A%2F%2Fwww.busuu.com%2Fzh%2Fchoose-your-language%3Futm_source%3DCRM%26utm_group%3DCHI%26utm_medium%3DEMAIL_B2B%26utm_campaign%3DNON_EXISTING_STUDENT&rl=&if=false&ts=1602733273020&sw=1600&sh=1200&v=2.9.27&r=stable&ec=0&o=30&fbp=fb.1.1602733273018.1710348465&it=1602733272985&coo=false&rqm=GET
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f11c:8183:face:b00c:0:25de , Ireland, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Thu, 15 Oct 2020 03:41:13 GMT
last-modified
Fri, 21 Dec 2012 00:00:01 GMT
server
proxygen-bolt
strict-transport-security
max-age=31536000; includeSubDomains
content-type
image/gif
status
200
cache-control
no-cache, must-revalidate, max-age=0
alt-svc
h3-29=":443"; ma=3600,h3-27=":443"; ma=3600
content-length
44
expires
Thu, 15 Oct 2020 03:41:13 GMT
collect
stats.g.doubleclick.net/j/ 		4 B
485 B 		XHR
General
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https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j86&tid=UA-2963417-1&cid=167996159.1602733273&jid=398674726&gjid=1681262324&_gid=231611333.1602733273&_u=YEBAAEAAAAAAAC~&z=273234375
Requested by
Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c00::9a Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
84e01419bd81f32ac6df0f75f49c604fda9172000a3ae432b3c47b2a6a712d80
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
strict-transport-security
max-age=10886400; includeSubDomains; preload
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
date
Thu, 15 Oct 2020 03:41:13 GMT
status
200
content-type
text/plain
access-control-allow-origin
https://www.busuu.com
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3-Q050=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-T050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
4
expires
Fri, 01 Jan 1990 00:00:00 GMT
cachedClickId
tr.outbrain.com/ 		35 B
258 B 		Script
General
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Full URL
https://tr.outbrain.com/cachedClickId?marketerId=00fa01809eb88187b3f9d8cd683e84fbd3
Requested by
Host: amplify.outbrain.com
URL: https://amplify.outbrain.com/cp/obtp.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
64.202.112.95 , United States, ASN22075 (AS-OUTBRAIN, US),
Reverse DNS
ny.outbrain.com
Software
/
Resource Hash
1d348f9f803c95305f63def9d75fd50e79e54a375e1a4a888edbbea366845580

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Thu, 15 Oct 2020 03:41:13 GMT
content-encoding
gzip
Connection
close
X-TraceId
f65bebc02e1fa738911137fd744259c8
Content-Length
56
Content-Type
application/javascript
json
trc.taboola.com/1220740/trc/3/ 		790 B
774 B 		Script
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https://trc.taboola.com/1220740/trc/3/json?tim=1602733273031&data=%7B%22id%22%3A320%2C%22ii%22%3A%22%2Fzh%2Fchoose-your-language%22%2C%22it%22%3A%22video%22%2C%22sd%22%3Anull%2C%22ui%22%3Anull%2C%22vi%22%3A1602733273028%2C%22cv%22%3A%2220200818-2-RELEASE%22%2C%22uiv%22%3A%22default%22%2C%22u%22%3A%22https%3A%2F%2Fwww.busuu.com%2Fzh%2Fchoose-your-language%22%2C%22e%22%3Anull%2C%22cb%22%3A%22TFASC.trkCallback%22%2C%22qs%22%3A%22%3Futm_source%3DCRM%26utm_group%3DCHI%26utm_medium%3DEMAIL_B2B%26utm_campaign%3DNON_EXISTING_STUDENT%22%2C%22r%22%3A%5B%7B%22li%22%3A%22rbox-tracking%22%2C%22s%22%3A0%2C%22uim%22%3A%22rbox-tracking%3Apub%3Dtaboolaaccount-christianvanoostrumbusuucom%3Aabp%3D0%22%2C%22uip%22%3A%22rbox-tracking%22%2C%22orig_uip%22%3A%22rbox-tracking%22%7D%5D%2C%22supv%22%3Atrue%2C%22mpv%22%3Atrue%7D&pubit=i
Requested by
Host: cdn.taboola.com
URL: https://cdn.taboola.com/libtrc/unip/1220740/tfa.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.113.44 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software
nginx /
Resource Hash
d8a092b42da9616b884ef9931ab114e5153fc2605ccace2fe5856b3e5fb52154

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

x-vcl-time-ms
15
date
Thu, 15 Oct 2020 03:41:13 GMT
content-encoding
gzip
access-control-allow-origin
*
x-cache
MISS
p3p
policyref="http://trc.taboola.com/p3p.xml", CP="NOI DSP COR LAW NID CURa ADMa DEVa PSAa PSDa OUR BUS IND UNI COM NAV INT DEM"
status
200
x-served-by
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server
nginx
x-timer
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vary
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content-type
application/javascript; charset=utf-8
via
1.1 varnish
access-control-allow-credentials
true
accept-ranges
bytes
x-cache-hits
0
session
app.adjust.com/ 		84 B
448 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://app.adjust.com/session
Requested by
Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
185.151.204.6 , Germany, ASN61273 (ADJUST-NL, DE),
Reverse DNS
Software
/
Resource Hash
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Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
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js5.0.0
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Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Content-Type
application/x-www-form-urlencoded

Response headers

date
Thu, 15 Oct 2020 03:41:13 GMT
access-control-allow-methods
GET, POST, OPTIONS
content-type
application/json; charset=utf-8
access-control-allow-origin
https://www.busuu.com
connection
close
X-Robots-Tag
noindex
access-control-allow-headers
Accept, Content-Type, Content-Length, Accept-Encoding, Client-Sdk
content-length
84
session
app.adjust.com/ Frame 		0
0 		Other
General
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Full URL
https://app.adjust.com/session
Protocol
HTTP/1.1
Server
185.151.204.6 , Germany, ASN61273 (ADJUST-NL, DE),
Reverse DNS
Software
/
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Method
POST
Access-Control-Request-Headers
client-sdk
Origin
https://www.busuu.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Sec-Fetch-Mode
cors

Response headers

access-control-allow-headers
Accept, Content-Type, Content-Length, Accept-Encoding, Client-Sdk
access-control-allow-methods
GET, POST, OPTIONS
access-control-allow-origin
https://www.busuu.com
date
Thu, 15 Oct 2020 03:41:13 GMT
content-length
0
connection
close
X-Robots-Tag
noindex
load
front.optimonk.com/public/73145/js/ 		0
347 B 		XHR
General
Check archive.org
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https://front.optimonk.com/public/73145/js/load
Requested by
Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
46.101.154.21 Frankfurt am Main, Germany, ASN14061 (DIGITALOCEAN-ASN, US),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains
X-Content-Type-Options nosniff
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X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
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Content-type
application/x-www-form-urlencoded

Response headers

date
Thu, 15 Oct 2020 03:41:13 GMT
content-encoding
gzip
status
200
server
nginx
x-frame-options
SAMEORIGIN
x-download-options
noopen
vary
Accept-Encoding, Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
no-cache
x-content-type-options
nosniff
strict-transport-security
max-age=15552000; includeSubDomains
x-dns-prefetch-control
off
x-xss-protection
1; mode=block
ga-audiences
www.google.com/ads/ 		42 B
513 B 		Image
General
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Full URL
https://www.google.com/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j86&tid=UA-2963417-1&cid=167996159.1602733273&jid=398674726&_u=YEBAAEAAAAAAAC~&z=1649473580
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:818::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 15 Oct 2020 03:41:13 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
cache-control
no-cache, no-store, must-revalidate
content-type
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content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
ga-audiences
www.google.de/ads/ 		42 B
513 B 		Image
General
Check archive.org
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Full URL
https://www.google.de/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j86&tid=UA-2963417-1&cid=167996159.1602733273&jid=398674726&_u=YEBAAEAAAAAAAC~&z=1649473580
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:802::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 15 Oct 2020 03:41:13 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
cache-control
no-cache, no-store, must-revalidate
content-type
image/gif
alt-svc
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content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
tp2
events.busuu.com/com.snowplowanalytics.snowplow/ Frame 		0
0 		Other
General
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https://events.busuu.com/com.snowplowanalytics.snowplow/tp2
Protocol
HTTP/1.1
Server
52.49.61.217 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-49-61-217.eu-west-1.compute.amazonaws.com
Software
spray-can/1.3.3 /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Method
POST
Access-Control-Request-Headers
content-type
Origin
https://www.busuu.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Sec-Fetch-Mode
cors

Response headers

Access-Control-Allow-Credentials
true
Access-Control-Allow-Headers
Content-Type
Access-Control-Allow-Origin
https://www.busuu.com
Date
Thu, 15 Oct 2020 03:41:13 GMT
Server
spray-can/1.3.3
Content-Length
0
Connection
keep-alive
tp2
events.busuu.com/com.snowplowanalytics.snowplow/ 		2 B
440 B 		XHR
General
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https://events.busuu.com/com.snowplowanalytics.snowplow/tp2
Requested by
Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.49.61.217 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-49-61-217.eu-west-1.compute.amazonaws.com
Software
spray-can/1.3.3 /
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Request headers

Referer
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User-Agent
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Content-Type
application/json; charset=UTF-8

Response headers

Date
Thu, 15 Oct 2020 03:41:13 GMT
Server
spray-can/1.3.3
P3P
policyref="/w3c/p3p.xml", CP="NOI DSP COR NID PSA OUR IND COM NAV STA"
Access-Control-Allow-Origin
https://www.busuu.com
Access-Control-Allow-Credentials
true
Connection
keep-alive
Content-Type
text/plain; charset=UTF-8
Content-Length
2
track-log.js
sf19-scmcdn-va.ibytedtos.com/obj/goofy-va/track-log-international/ad/business/v3/ 		21 KB
8 KB 		Script
General
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https://sf19-scmcdn-va.ibytedtos.com/obj/goofy-va/track-log-international/ad/business/v3/track-log.js
Requested by
Host: analytics.tiktok.com
URL: https://analytics.tiktok.com/i18n/pixel/sdk.js?sdkid=BT7Q9M8QGATGFK2VC1SG
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.14.133 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software
nginx /
Resource Hash
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Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Thu, 15 Oct 2020 03:41:13 GMT
content-encoding
gzip
x-tt-trace-tag
id=00;cdn-cache=miss
content-md5
nsYR9dFHFPixw9WYtLQn9g==
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server-timing
inner; dur=4
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via
1.1 varnish
x-tos-request-id
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x-tos-response-time
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last-modified
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server
nginx
x-timer
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x-served-by
cache-fra19177-FRA
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
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x-tt-trace-host
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1
mc.yandex.ru/watch/18930853/
Redirect Chain
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  • https://mc.yandex.ru/watch/18930853/1?wmode=7&page-url=https%3A%2F%2Fwww.busuu.com%2Fzh%2Fchoose-your-language%3Futm_source%3DCRM%26utm_group%3DCHI%26utm_medium%3DEMAIL_B2B%26utm_campaign%3DNON_EXI...
167 B
670 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://mc.yandex.ru/watch/18930853/1?wmode=7&page-url=https%3A%2F%2Fwww.busuu.com%2Fzh%2Fchoose-your-language%3Futm_source%3DCRM%26utm_group%3DCHI%26utm_medium%3DEMAIL_B2B%26utm_campaign%3DNON_EXISTING_STUDENT&charset=utf-8&ut=noindex&site-info=%7B%7D&browser-info=ti%3A10%3Ans%3A1602733271373%3As%3A1600x1200x24%3Ask%3A1%3Ahdl%3A1%3Afpr%3A216613626101%3Acn%3A1%3Aw%3A1600x1200%3Az%3A120%3Ai%3A20201015054113%3Aet%3A1602733273%3Aen%3Autf-8%3Ac%3A1%3Ala%3Aen-us%3Awh%3A1%3Apv%3A1%3Als%3A459992294596%3Arqn%3A1%3Arn%3A38538932%3Ahid%3A114408070%3Ads%3A8%2C65%2C50%2C18%2C923%2C0%2C0%2C330%2C0%2C1507%2C1507%2C2%2C1408%3Afp%3A1382%3Awn%3A10955%3Ahl%3A2%3Agdpr%3A14%3Av%3A1962%3Arqnl%3A1%3Ast%3A1602733273%3Au%3A1602733273339319096%3At%3A%E4%BD%A0%E6%83%B3%E5%AD%A6%E4%B9%A0%E5%93%AA%E7%A7%8D%E8%AF%AD%E8%A8%80%3F%20-%20%E5%8D%9A%E6%A0%91
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a02:6b8::1:119 Moscow, Russian Federation, ASN13238 (YANDEX, RU),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
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Response headers

Pragma
no-cache
Date
Thu, 15 Oct 2020 03:41:13 GMT
X-Content-Type-Options
nosniff
Last-Modified
Thu, 15-Oct-2020 03:41:13 GMT
Strict-Transport-Security
max-age=31536000
Content-Type
application/json; charset=utf-8
Access-Control-Allow-Origin
https://www.busuu.com
Cache-Control
private, no-cache, no-store, must-revalidate, max-age=0
Access-Control-Allow-Credentials
true
Content-Length
167
X-XSS-Protection
1; mode=block
Expires
Thu, 15-Oct-2020 03:41:13 GMT

Redirect headers

Pragma
no-cache
Date
Thu, 15 Oct 2020 03:41:13 GMT
Last-Modified
Thu, 15-Oct-2020 03:41:13 GMT
Access-Control-Allow-Origin
https://www.busuu.com
Strict-Transport-Security
max-age=31536000
Location
/watch/18930853/1?wmode=7&page-url=https%3A%2F%2Fwww.busuu.com%2Fzh%2Fchoose-your-language%3Futm_source%3DCRM%26utm_group%3DCHI%26utm_medium%3DEMAIL_B2B%26utm_campaign%3DNON_EXISTING_STUDENT&charset=utf-8&ut=noindex&site-info=%7B%7D&browser-info=ti%3A10%3Ans%3A1602733271373%3As%3A1600x1200x24%3Ask%3A1%3Ahdl%3A1%3Afpr%3A216613626101%3Acn%3A1%3Aw%3A1600x1200%3Az%3A120%3Ai%3A20201015054113%3Aet%3A1602733273%3Aen%3Autf-8%3Ac%3A1%3Ala%3Aen-us%3Awh%3A1%3Apv%3A1%3Als%3A459992294596%3Arqn%3A1%3Arn%3A38538932%3Ahid%3A114408070%3Ads%3A8%2C65%2C50%2C18%2C923%2C0%2C0%2C330%2C0%2C1507%2C1507%2C2%2C1408%3Afp%3A1382%3Awn%3A10955%3Ahl%3A2%3Agdpr%3A14%3Av%3A1962%3Arqnl%3A1%3Ast%3A1602733273%3Au%3A1602733273339319096%3At%3A%E4%BD%A0%E6%83%B3%E5%AD%A6%E4%B9%A0%E5%93%AA%E7%A7%8D%E8%AF%AD%E8%A8%80%3F%20-%20%E5%8D%9A%E6%A0%91
Cache-Control
private, no-cache, no-store, must-revalidate, max-age=0
Access-Control-Allow-Credentials
true
Content-Length
0
X-XSS-Protection
1; mode=block
Expires
Thu, 15-Oct-2020 03:41:13 GMT
advert.gif
mc.yandex.ru/metrika/ 		43 B
379 B 		Image
General
Check archive.org
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Full URL
https://mc.yandex.ru/metrika/advert.gif
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2a02:6b8::1:119 Moscow, Russian Federation, ASN13238 (YANDEX, RU),
Reverse DNS
Software
/
Resource Hash
548f2d6f4d0d820c6c5ffbeffcbd7f0e73193e2932eefe542accc84762deec87
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Thu, 15 Oct 2020 03:41:13 GMT
Last-Modified
Wed, 14 Oct 2020 11:25:12 GMT
ETag
"5f86af61-2b"
Strict-Transport-Security
max-age=31536000
Content-Type
image/gif
Access-Control-Allow-Origin
*
Cache-Control
max-age=3600
Accept-Ranges
bytes
Content-Length
43
Expires
Thu, 15 Oct 2020 04:41:13 GMT
unifiedPixel
tr.outbrain.com/ 		43 B
275 B 		Image
General
Check archive.org
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Full URL
https://tr.outbrain.com/unifiedPixel?marketerId=00fa01809eb88187b3f9d8cd683e84fbd3&obApiVersion=1.1&obtpVersion=1.3.2&name=PAGE_VIEW&dl=https%3A%2F%2Fwww.busuu.com%2Fzh%2Fchoose-your-language%3Futm_source%3DCRM%26utm_group%3DCHI%26utm_medium%3DEMAIL_B2B%26utm_campaign%3DNON_EXISTING_STUDENT&optOut=false&bust=08953267998700813
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
64.202.112.95 , United States, ASN22075 (AS-OUTBRAIN, US),
Reverse DNS
ny.outbrain.com
Software
/
Resource Hash
33ca751ed175a163bef530ebdcdbd0a2d15997ccbcbf8d50a6f504e8ffac5a5c

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Thu, 15 Oct 2020 03:41:13 GMT
Cache-Control
no-cache
Connection
close
X-TraceId
525f171ca79da96d0567ced294c0229b
content-encoding
gzip
Content-Length
60
Content-Type
image/gif;
/
www.facebook.com/tr/ 		0
82 B 		Other
General
Check archive.org
Download Go to
Full URL
https://www.facebook.com/tr/
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/fbevents.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f11c:8183:face:b00c:0:25de , Ireland, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Content-Type
multipart/form-data; boundary=----WebKitFormBoundaryXOdBTr3EXguTkYBV

Response headers

strict-transport-security
max-age=31536000; includeSubDomains
server
proxygen-bolt
date
Thu, 15 Oct 2020 03:41:13 GMT
status
200
content-type
text/plain
access-control-allow-origin
https://www.busuu.com
access-control-allow-credentials
true
alt-svc
h3-29=":443"; ma=3600,h3-27=":443"; ma=3600
content-length
0
events
logx.optimizely.com/v1/ 		0
358 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://logx.optimizely.com/v1/events
Requested by
Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.213.63.216 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-213-63-216.compute-1.amazonaws.com
Software
nginx/1.17.2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

Date
Thu, 15 Oct 2020 03:41:13 GMT
Server
nginx/1.17.2
Content-Type
text/plain
Access-Control-Allow-Origin
https://www.busuu.com
Access-Control-Expose-Headers
X-Results-Data-Source
Access-Control-Allow-Credentials
true
Connection
keep-alive
Timing-Allow-Origin
*
X-Request-Id
00933bef-9e20-4ce1-b004-53b8a9bef73d
unip
trc-events.taboola.com/1220740/log/3/ 		0
291 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://trc-events.taboola.com/1220740/log/3/unip?en=pre_d_eng_tb&tos=1501&scd=100&ssd=1&est=1602733273030&ver=27&isls=true&src=i&invt=1500&tim=1602733274531&vi=1602733273028&ri=f6553c758c32756d8517bdefb2b94265&sd=v2_21b9bf058c57936936c3298e57f4160c_8ebfd6df-37b5-47b4-be27-9d7a6fe3ff90-tuct6814a59_1602733273_1602733273_CNawjgYQhMFKGMTf49LSLiABKAEwoQE4l-oLQJiXEEjF3t0DUP___________wFYAWAAaOKmqpGyrZficA&ui=8ebfd6df-37b5-47b4-be27-9d7a6fe3ff90-tuct6814a59&ref=null&cv=20200818-2-RELEASE
Requested by
Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
141.226.228.48 , Netherlands, ASN200478 (TABOOLA-AS, IL),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 15 Oct 2020 03:41:14 GMT
server
nginx
x-fastly-to-nlb-rtt
2001
status
204
p3p
policyref="http://trc.taboola.com/p3p.xml", CP="NOI DSP COR LAW NID CURa ADMa DEVa PSAa PSDa OUR BUS IND UNI COM NAV INT DEM"
access-control-allow-origin
https://www.busuu.com
cache-control
no-cache
access-control-allow-credentials
true
tbl-x-upstream
10.41.32.36:10213
events
logx.optimizely.com/v1/ 		0
358 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://logx.optimizely.com/v1/events
Requested by
Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
3.213.63.216 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-3-213-63-216.compute-1.amazonaws.com
Software
nginx/1.17.2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

Date
Thu, 15 Oct 2020 03:41:14 GMT
Server
nginx/1.17.2
Content-Type
text/plain
Access-Control-Allow-Origin
https://www.busuu.com
Access-Control-Expose-Headers
X-Results-Data-Source
Access-Control-Allow-Credentials
true
Connection
keep-alive
Timing-Allow-Origin
*
X-Request-Id
73951974-e539-4f52-9335-b3800153e9ff
attribution
app.adjust.com/ 		177 B
542 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://app.adjust.com/attribution?app_token=w1nm4welnnk0&environment=production&created_at=2020-10-15T05%3A41%3A13.586Z%2B0200&sent_at=2020-10-15T05%3A41%3A15.587Z%2B0200&web_uuid=1cd06879-9897-48a7-8d05-2f543aff0a09&platform=web&language=en&country=us&machine_type=Linux%20x86_64&queue_size=0&attempts=1&initiated_by=backend&time_spent=0&session_length=0&session_count=1&last_interval=0
Requested by
Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
185.151.204.6 , Germany, ASN61273 (ADJUST-NL, DE),
Reverse DNS
Software
/
Resource Hash
9c7698416c29b5e85f90871f719850498548cb1d3bd15aee6bf9d1d985a7608e

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
Client-SDK
js5.0.0
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Content-Type
application/json

Response headers

date
Thu, 15 Oct 2020 03:41:15 GMT
access-control-allow-methods
GET, POST, OPTIONS
content-type
application/json; charset=utf-8
access-control-allow-origin
https://www.busuu.com
connection
close
X-Robots-Tag
noindex
access-control-allow-headers
Accept, Content-Type, Content-Length, Accept-Encoding, Client-Sdk
content-length
177
attribution
app.adjust.com/ Frame 		0
0 		Other
General
Check archive.org
Download Go to
Full URL
https://app.adjust.com/attribution?app_token=w1nm4welnnk0&environment=production&created_at=2020-10-15T05%3A41%3A13.586Z%2B0200&sent_at=2020-10-15T05%3A41%3A15.587Z%2B0200&web_uuid=1cd06879-9897-48a7-8d05-2f543aff0a09&platform=web&language=en&country=us&machine_type=Linux%20x86_64&queue_size=0&attempts=1&initiated_by=backend&time_spent=0&session_length=0&session_count=1&last_interval=0
Protocol
HTTP/1.1
Server
185.151.204.6 , Germany, ASN61273 (ADJUST-NL, DE),
Reverse DNS
Software
/
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Method
GET
Access-Control-Request-Headers
client-sdk,content-type
Origin
https://www.busuu.com
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Sec-Fetch-Mode
cors

Response headers

access-control-allow-headers
Accept, Content-Type, Content-Length, Accept-Encoding, Client-Sdk
access-control-allow-methods
GET, POST, OPTIONS
access-control-allow-origin
https://www.busuu.com
date
Thu, 15 Oct 2020 03:41:15 GMT
content-length
0
connection
close
X-Robots-Tag
noindex
unip
trc-events.taboola.com/1220740/log/3/ 		0
289 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://trc-events.taboola.com/1220740/log/3/unip?en=pre_d_eng_tb&tos=4502&scd=100&ssd=1&est=1602733273030&ver=27&isls=true&src=i&invt=3000&tim=1602733277532&vi=1602733273028&ri=f6553c758c32756d8517bdefb2b94265&sd=v2_21b9bf058c57936936c3298e57f4160c_8ebfd6df-37b5-47b4-be27-9d7a6fe3ff90-tuct6814a59_1602733273_1602733273_CNawjgYQhMFKGMTf49LSLiABKAEwoQE4l-oLQJiXEEjF3t0DUP___________wFYAWAAaOKmqpGyrZficA&ui=8ebfd6df-37b5-47b4-be27-9d7a6fe3ff90-tuct6814a59&ref=null&cv=20200818-2-RELEASE
Requested by
Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
141.226.228.48 , Netherlands, ASN200478 (TABOOLA-AS, IL),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 15 Oct 2020 03:41:17 GMT
server
nginx
x-fastly-to-nlb-rtt
3497
status
204
p3p
policyref="http://trc.taboola.com/p3p.xml", CP="NOI DSP COR LAW NID CURa ADMa DEVa PSAa PSDa OUR BUS IND UNI COM NAV INT DEM"
access-control-allow-origin
https://www.busuu.com
cache-control
no-cache
access-control-allow-credentials
true
tbl-x-upstream
10.40.20.9:10213
unip
trc-events.taboola.com/1220740/log/3/ 		0
290 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://trc-events.taboola.com/1220740/log/3/unip?en=pre_d_eng_tb&tos=10503&scd=100&ssd=1&est=1602733273030&ver=27&isls=true&src=i&invt=6000&tim=1602733283533&vi=1602733273028&ri=f6553c758c32756d8517bdefb2b94265&sd=v2_21b9bf058c57936936c3298e57f4160c_8ebfd6df-37b5-47b4-be27-9d7a6fe3ff90-tuct6814a59_1602733273_1602733273_CNawjgYQhMFKGMTf49LSLiABKAEwoQE4l-oLQJiXEEjF3t0DUP___________wFYAWAAaOKmqpGyrZficA&ui=8ebfd6df-37b5-47b4-be27-9d7a6fe3ff90-tuct6814a59&ref=null&cv=20200818-2-RELEASE
Requested by
Host: cdn.busuu.com
URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
141.226.228.48 , Netherlands, ASN200478 (TABOOLA-AS, IL),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.busuu.com/zh/choose-your-language?utm_source=CRM&utm_group=CHI&utm_medium=EMAIL_B2B&utm_campaign=NON_EXISTING_STUDENT
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 15 Oct 2020 03:41:23 GMT
server
nginx
x-fastly-to-nlb-rtt
9016
status
204
p3p
policyref="http://trc.taboola.com/p3p.xml", CP="NOI DSP COR LAW NID CURa ADMa DEVa PSAa PSDa OUR BUS IND UNI COM NAV INT DEM"
access-control-allow-origin
https://www.busuu.com
cache-control
no-cache
access-control-allow-credentials
true
tbl-x-upstream
10.41.30.18:10213

Verdicts & Comments Add Verdict or Comment

64 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| 0 object| 1 object| 2 function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker object| trustedTypes object| __core-js_shared__ object| core undefined| _ object| optimizely object| BUSUU_TRANSLATIONS object| BUSUU_GLOBALS object| __SENTRY__ function| setImmediate function| clearImmediate object| PubSub object| dataLayer object| GlobalSnowplowNamespace function| snowplow object| Adjust object| Adjust_q function| _typeof object| Snowplow object| google_tag_manager object| google_tag_data string| GoogleAnalyticsObject function| ga string| qp object| uetq function| fbq function| _fbq function| obApi object| _tfa function| getParameterByName string| cjeventid object| now number| time number| expTime object| gaplugins object| gaGlobal object| gaData function| UET object| criteo_q string| ctots object| TFASC object| TRC object| _taboola number| taboola_view_id object| TRCImpl function| __trcError object| OptiMonkRegistry object| OptiMonk function| ns boolean| _tt_config object| _taq function| TiktokJelly object| _jelly_sdks object| jelly object| Ya object| yaCounter18930853 object| _tt_track function| md5 object| VENDOR_PREFIXES

3 Cookies

Domain/Path Name / Value
.busuu.com/ Name: optimizelyEndUserId
Value: oeu1602733272577r0.05728496961497287
www.busuu.com/ Name: AWSALBCORS
Value: 3fMM8zW4Icw10U2XdDIACMWd3pC6hO3jW8D6zizjxfpZZ9LtbmzLWRb+Rl3XUUgFu2oCX92hKcnDagvl3TXQzaLpv/1qfLtD857oJm2oavxZn0lzktFiOWqY11eF
www.busuu.com/ Name: AWSALB
Value: 3fMM8zW4Icw10U2XdDIACMWd3pC6hO3jW8D6zizjxfpZZ9LtbmzLWRb+Rl3XUUgFu2oCX92hKcnDagvl3TXQzaLpv/1qfLtD857oJm2oavxZn0lzktFiOWqY11eF

3 Console Messages

Source Level URL
Text
console-api warning URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js(Line 1)
Message:
[File: current-user-service.js] get() - Can't retrieve user data: [object Object]
console-api info URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js(Line 1)
Message:
[adjust-sdk] 2020-10-15T03:41:12.878Z INFO: Log level set to none
console-api log URL: https://cdn.busuu.com/homepage/11.10.5/js/choose-your-language.js(Line 1)
Message:
om-webSelectorEnabled null

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff
X-Frame-Options Deny
X-Xss-Protection 1; mode=block

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

a8271132298.cdn.optimizely.com
amplify.outbrain.com
analytics.tiktok.com
app.adjust.com
bat.bing.com
cdn.adjust.com
cdn.busuu.com
cdn.optimizely.com
cdn.taboola.com
clicktime.symantec.com
connect.facebook.net
errors.client.optimizely.com
events.busuu.com
front.optimonk.com
gum.criteo.com
link.notifications.busuu.com
logx.optimizely.com
mc.yandex.ru
q.quora.com
sf19-scmcdn-va.ibytedtos.com
sslwidget.criteo.com
static.criteo.net
stats.g.doubleclick.net
tr.outbrain.com
trc-events.taboola.com
trc.taboola.com
www.busuu.com
www.facebook.com
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
104.108.145.107
141.226.228.48
151.101.113.44
151.101.14.133
167.89.115.56
178.250.2.151
185.151.204.6
2.16.110.25
2.17.191.240
2620:1ec:c11::200
2a00:1450:4001:802::2003
2a00:1450:4001:806::2008
2a00:1450:4001:809::200e
2a00:1450:4001:818::2004
2a00:1450:400c:c00::9a
2a02:2638:1::13
2a02:2638:1::3
2a02:26f0:6c00:284::13b8
2a02:6b8::1:119
2a03:2880:f01c:8012:face:b00c:0:3
2a03:2880:f11c:8183:face:b00c:0:25de
3.213.63.216
3.214.152.179
34.96.80.159
35.156.126.7
46.101.154.21
52.200.208.53
52.49.61.217
63.32.157.223
64.202.112.95
99.86.7.33
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2689367b205c16ce32ed4200942b8b8b1e262dfc70d9bc9fbc77c49699a4f1df
33ca751ed175a163bef530ebdcdbd0a2d15997ccbcbf8d50a6f504e8ffac5a5c
358dd614aeefcd3decd5cf103e69a6e0273be02fa119c4bbb3d3de51902ba6a8
3cb5162e19d9c6ecb634881fc079ab3aa8e9855a7bc164a830730a752a73e440
548f2d6f4d0d820c6c5ffbeffcbd7f0e73193e2932eefe542accc84762deec87
58724cf9d89f1cadc735e143b46330c4b7fe0359cfccb2020431f63781d5bc20
5b3390667ffa4dab454848250acca7b4542f2712cd9ee13698482a236307dc03
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e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
f97840d412c523b6cc2b1405db264d0adc989c32c17721e12a1d650b87e0034f