URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Submission: On October 29 via api from US — Scanned from DE

Summary

This website contacted 17 IPs in 4 countries across 14 domains to perform 54 HTTP transactions. The main IP is 210.245.8.133, located in Hanoi, Viet Nam and belongs to FPT-AS-AP FPT Telecom Company, VN. The main domain is happymath.vn.
TLS certificate: Issued by R11 on September 10th 2024. Valid for: 3 months.
This is the only time happymath.vn was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
5 210.245.8.133 18403 (FPT-AS-AP...)
5 142.250.185.130 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
20 123.30.242.13 135905 (VNPT-AS-V...)
1 104.75.90.86 16625 (AKAMAI-AS)
2 2001:4860:480... 15169 (GOOGLE)
2 104.18.11.207 13335 (CLOUDFLAR...)
1 2400:52e0:1e0... 60068 (CDN77 _)
1 49.213.95.43 38244 (VINAGAME-...)
3 157.240.0.6 32934 (FACEBOOK)
1 210.245.8.150 18403 (FPT-AS-AP...)
3 2a03:2880:f17... 32934 (FACEBOOK)
1 210.245.8.134 18403 (FPT-AS-AP...)
1 142.250.185.226 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 216.239.32.36 15169 (GOOGLE)
54 17
Apex Domain
Subdomains
Transfer
20 dktcdn.net
bizweb.dktcdn.net — Cisco Umbrella Rank: 149738
370 KB
5 googlesyndication.com
pagead2.googlesyndication.com — Cisco Umbrella Rank: 116
197 KB
5 happymath.vn
happymath.vn
105 KB
3 adtrafficquality.google
ep1.adtrafficquality.google — Cisco Umbrella Rank: 233245
ep2.adtrafficquality.google — Cisco Umbrella Rank: 204383
19 KB
3 facebook.com
www.facebook.com — Cisco Umbrella Rank: 113
3 KB
3 facebook.net
connect.facebook.net — Cisco Umbrella Rank: 180
156 KB
3 google-analytics.com
region1.google-analytics.com — Cisco Umbrella Rank: 3643
2 bootstrapcdn.com
maxcdn.bootstrapcdn.com — Cisco Umbrella Rank: 1113
72 KB
1 sapoapps.vn
popup.sapoapps.vn — Cisco Umbrella Rank: 480786
statistic-blog-v2.sapoapps.vn Failed
189 B
1 mysapo.net
store.mysapo.net — Cisco Umbrella Rank: 837664
1 zdn.vn
stc.sp.zdn.vn — Cisco Umbrella Rank: 242859
10 KB
1 linearicons.com
cdn.linearicons.com — Cisco Umbrella Rank: 57518
2 KB
1 addthis.com
s7.addthis.com — Cisco Umbrella Rank: 4785
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 39
101 KB
54 14
Domain Requested by
20 bizweb.dktcdn.net happymath.vn
5 pagead2.googlesyndication.com happymath.vn
pagead2.googlesyndication.com
5 happymath.vn happymath.vn
3 www.facebook.com happymath.vn
connect.facebook.net
3 connect.facebook.net happymath.vn
connect.facebook.net
3 region1.google-analytics.com www.googletagmanager.com
happymath.vn
2 ep2.adtrafficquality.google pagead2.googlesyndication.com
ep2.adtrafficquality.google
2 maxcdn.bootstrapcdn.com happymath.vn
maxcdn.bootstrapcdn.com
1 ep1.adtrafficquality.google happymath.vn
1 popup.sapoapps.vn happymath.vn
1 store.mysapo.net happymath.vn
1 stc.sp.zdn.vn happymath.vn
1 cdn.linearicons.com happymath.vn
1 s7.addthis.com happymath.vn
1 www.googletagmanager.com happymath.vn
0 statistic-blog-v2.sapoapps.vn Failed happymath.vn
54 16

This site contains links to these domains. Also see Links.

Domain
forms.gle
m.facebook.com
www.youtube.com
zalo.me
Subject Issuer Validity Valid
happymath.vn
R11
2024-09-10 -
2024-12-09
3 months crt.sh
*.g.doubleclick.net
WR2
2024-10-07 -
2024-12-30
3 months crt.sh
*.google-analytics.com
WR2
2024-10-07 -
2024-12-30
3 months crt.sh
*.dktcdn.net
AlphaSSL CA - SHA256 - G4
2023-10-24 -
2024-11-24
a year crt.sh
odc-addthis-prod-01.oracle.com
DigiCert TLS RSA SHA256 2020 CA1
2023-12-09 -
2024-12-11
a year crt.sh
bootstrapcdn.com
WE1
2024-09-20 -
2024-12-19
3 months crt.sh
cdn.linearicons.com
R10
2024-10-10 -
2025-01-08
3 months crt.sh
cache.voice.talk.zdn.vn
R10
2024-09-20 -
2024-12-19
3 months crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA
2024-08-07 -
2024-11-05
3 months crt.sh
*.mysapo.net
AlphaSSL CA - SHA256 - G4
2023-10-24 -
2024-11-24
a year crt.sh
*.sapoapps.vn
AlphaSSL CA - SHA256 - G4
2023-10-24 -
2024-11-24
a year crt.sh
adtrafficquality.google
WR2
2024-10-07 -
2024-12-30
3 months crt.sh

This page contains 6 frames:

Primary Page: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Frame ID: A0D13EF659AEB476B7159D1AADFAFEC0
Requests: 50 HTTP requests in this frame

Frame: https://pagead2.googlesyndication.com/pagead/html/r20241023/r20190131/zrt_lookup_fy2021.html
Frame ID: 914B5A8E96F6528C4C1E05FF8608F731
Requests: 1 HTTP requests in this frame

Frame: https://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-8890619752220340&output=html&adk=1812271804&adf=3025194257&abgtt=6&lmt=1730198227&plat=3%3A16%2C9%3A134250504%2C16%3A8388608%2C17%3A32%2C24%3A32%2C25%3A32%2C30%3A1081344%2C32%3A32%2C41%3A32%2C42%3A32&plas=188x540_r&format=0x0&url=https%3A%2F%2Fhappymath.vn%2Fmach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua&pra=5&wgl=1&aihb=0&asro=0&ailel=1~2~4~6~7~8~9~10~11~12~13~14~15~16~17~18~19~20~21~24~29~30~34&aiael=1~2~4~6~7~8~9~10~11~12~13~14~15~16~17~18~19~20~21~24~29~30~34&aicel=33&aifxl=29_18~30_19&aiixl=29_5~30_6&aslmct=0.7&asamct=0.7&aiict=1&itsi=-1&aiapm=0.20295&aiapmi=0.24446&aiombap=1&aiopts=1&aief=1&uach=WyIiLCIiLCIiLCIiLCIiLG51bGwsMCxudWxsLCIiLG51bGwsMF0.&dt=1730198224120&bpp=2793&bdt=238&idt=3277&shv=r20241023&mjsv=m202410220101&ptt=9&saldr=aa&abxe=1&eoidce=1&nras=1&correlator=2061283938412&frm=20&pv=2&u_tz=60&u_his=2&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_sd=1&dmc=8&adx=-12245933&ady=-12245933&biw=1600&bih=1200&scr_x=0&scr_y=0&eid=44759876%2C44759927%2C95344189%2C95345280%2C95345788&oid=2&pvsid=3113633920895156&tmod=1841072726&uas=0&nvt=1&fsapi=1&fc=1920&brdim=30%2C30%2C30%2C30%2C1600%2C0%2C1600%2C1285%2C1600%2C1200&vis=1&rsz=%7C%7Cs%7C&abl=NS&fu=32768&bc=31&bz=1&td=1&tdf=2&nt=1&ifi=1&uci=a!1&fsb=1&dtd=3317
Frame ID: BFD3E13045CABC108B20FA94BA8D7CD4
Requests: 1 HTTP requests in this frame

Frame: https://store.mysapo.net/account/GoogleOneTap
Frame ID: 16B840E2DA12D67EA3E1F779446CC3DD
Requests: 1 HTTP requests in this frame

Frame: https://www.facebook.com/v3.2/plugins/page.php?adapt_container_width=true&app_id=252271411871880&channel=https%3A%2F%2Fstaticxx.facebook.com%2Fx%2Fconnect%2Fxd_arbiter%2F%3Fversion%3D46%23cb%3Dfee73037a6b7bff31%26domain%3Dhappymath.vn%26is_canvas%3Dfalse%26origin%3Dhttps%253A%252F%252Fhappymath.vn%252Ffeee492fd1970221a%26relation%3Dparent.parent&container_width=285&hide_cover=false&href=https%3A%2F%2Fm.facebook.com%2Fhappymathhanoi&locale=vi_VN&sdk=joey&show_facepile=true&small_header=false
Frame ID: F09093C7AD066550EEAE65FA34DE882D
Requests: 1 HTTP requests in this frame

Frame: https://ep2.adtrafficquality.google/sodar/sodar2/232/runner.html
Frame ID: 9B723EB04FF10EC595312A05857E0CDB
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

MÁCH BẠN CÁCH ĐỌC PHÉP TOÁN TRONG TIẾNG ANH HIỆU QUẢ | HappyMath

Detected technologies

Overall confidence: 100%
Detected patterns
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

Overall confidence: 100%
Detected patterns
  • <link rel="amphtml"

Overall confidence: 100%
Detected patterns
  • addthis\.com/js/

Overall confidence: 100%
Detected patterns
  • //connect\.facebook\.([a-z]+)/[^/]*/[a-z]*\.js

Overall confidence: 100%
Detected patterns
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

Overall confidence: 100%
Detected patterns
  • googlesyndication\.com/

Overall confidence: 100%
Detected patterns

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Overall confidence: 100%
Detected patterns
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

54
Requests

93 %
HTTPS

31 %
IPv6

14
Domains

16
Subdomains

17
IPs

4
Countries

1037 kB
Transfer

2897 kB
Size

20
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

54 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
happymath.vn/
322 KB
92 KB
Document
General
Full URL
https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
210.245.8.133 Hanoi, Viet Nam, ASN18403 (FPT-AS-AP FPT Telecom Company, VN),
Reverse DNS
Software
nginx /
Resource Hash
d11c2eda7c9afae16cb55db4e4213e9571a6f607ef53c6f7b73940a915b2b19a
Security Headers
Name Value
Content-Security-Policy block-all-mixed-content; upgrade-insecure-requests;
Strict-Transport-Security max-age=7776000
X-Content-Type-Options nosniff

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Response headers

content-encoding
gzip
content-length
93746
content-security-policy
block-all-mixed-content; upgrade-insecure-requests;
content-type
text/html; charset=utf-8
date
Tue, 29 Oct 2024 10:37:03 GMT
etag
W/"084b6c4a6909a87e5ef9b82b335638e2"
server
nginx
strict-transport-security
max-age=7776000
x-alternate-cache-key
W/"75cb3db860cb2942253dd5f6f4aa1f58"
x-cache
miss
x-content-type-options
nosniff
x-request-id
bb8119b9438d1ef2e17066465f3b2851
adsbygoogle.js
pagead2.googlesyndication.com/pagead/js/
155 KB
52 KB
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-8890619752220340
Requested by
Host: happymath.vn
URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.250.185.130 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
fra16s50-in-f2.1e100.net
Software
cafe /
Resource Hash
4b663eac79d27a1c1644034ce23e749084cbc13a79584f5bf9ce5bda661402fc
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://happymath.vn
Referer
https://happymath.vn/

Response headers

content-encoding
br
etag
5899421598554209711
x-content-type-options
nosniff
expires
Tue, 29 Oct 2024 10:37:04 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
date
Tue, 29 Oct 2024 10:37:04 GMT
content-type
text/javascript; charset=UTF-8
vary
Accept-Encoding
content-disposition
attachment; filename="f.txt"
link
<https://googleads.g.doubleclick.net>; rel="preconnect"; crossorigin
cache-control
private, max-age=3600, stale-while-revalidate=3600
timing-allow-origin
*
cross-origin-resource-policy
cross-origin
access-control-allow-origin
*
content-length
53249
x-xss-protection
0
server
cafe
js
www.googletagmanager.com/gtag/
293 KB
101 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=G-RXE02E055Z
Requested by
Host: happymath.vn
URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:827::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
d13d6915427c73d56080650c4f49ff0eb3f9503de1831a883be865042a7a8eaf
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://happymath.vn/

Response headers

content-encoding
br
report-to
{"group":"coop_reporting","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/scaffolding/ascgcycc:838:0"}],}
expires
Tue, 29 Oct 2024 10:37:04 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Tue, 29 Oct 2024 10:37:04 GMT
content-type
application/javascript; charset=UTF-8
vary
Accept-Encoding
access-control-allow-headers
Cache-Control
strict-transport-security
max-age=31536000; includeSubDomains
cache-control
private, max-age=900
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
content-security-policy-report-only
script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascgcycc:838:0
access-control-allow-origin
*
cross-origin-opener-policy-report-only
same-origin; report-to=coop_reporting
content-length
102740
x-xss-protection
0
server
Google Tag Manager
stats.min.js
happymath.vn/dist/js/
9 KB
9 KB
Script
General
Full URL
https://happymath.vn/dist/js/stats.min.js?v=96f2ff2
Requested by
Host: happymath.vn
URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
210.245.8.133 Hanoi, Viet Nam, ASN18403 (FPT-AS-AP FPT Telecom Company, VN),
Reverse DNS
Software
nginx /
Resource Hash
810372d1130b5f42fb9e8f8f0c992feb29ee33b31ec6d0e1ec2be7fe83fd4baa

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua

Response headers

x-request-id
d0ba5e0f67c2717016beae99f3417ca9
cache-control
public,max-age=2592000
etag
"1db2682f96fa298"
expires
Thu, 28 Nov 2024 10:37:04 GMT
accept-ranges
bytes
content-length
8984
date
Tue, 29 Oct 2024 10:37:04 GMT
content-type
text/javascript
last-modified
Fri, 25 Oct 2024 02:09:51 GMT
server
nginx
show_ads_impl_with_ama_fy2021.js
pagead2.googlesyndication.com/pagead/managed/js/adsense/m202410220101/
434 KB
145 KB
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202410220101/show_ads_impl_with_ama_fy2021.js?client=ca-pub-8890619752220340&plah=happymath.vn
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-8890619752220340
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.250.185.130 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
fra16s50-in-f2.1e100.net
Software
cafe /
Resource Hash
cc70b83eede85ea72034e43082b57375c2fc87959ac8ad35f3ca731954049e2d
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://happymath.vn/

Response headers

content-encoding
br
etag
3296198284338942302
x-content-type-options
nosniff
expires
Tue, 29 Oct 2024 10:37:06 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
date
Tue, 29 Oct 2024 10:37:06 GMT
content-type
text/javascript; charset=UTF-8
vary
Accept-Encoding
content-disposition
attachment; filename="f.txt"
cache-control
private, max-age=3600, stale-while-revalidate=3600
timing-allow-origin
*
cross-origin-resource-policy
cross-origin
content-length
147919
x-xss-protection
0
server
cafe
bootstrap.css
bizweb.dktcdn.net/100/440/391/themes/840026/assets/
152 KB
31 KB
Stylesheet
General
Full URL
https://bizweb.dktcdn.net/100/440/391/themes/840026/assets/bootstrap.css?1701517548791
Requested by
Host: happymath.vn
URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
123.30.242.13 , Viet Nam, ASN135905 (VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN),
Reverse DNS
static.vnpt.vn
Software
VCCloud CDN / 249.8d03563b3c42196e979c01bd7bf4d401 /
Resource Hash
9fd9256100a4d4ff9ece48f584f67f1e116d0747f9282a913dbf3b1b9128d2ad
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://happymath.vn/

Response headers

cache-control
public, max-age=31536000, stale-while-revalidate=2592000
timing-allow-origin
*
content-encoding
gzip
access-control-allow-methods
GET, HEAD, POST, OPTIONS
x-content-type-options
nosniff
access-control-allow-origin
*
x-cache
HIT from VCCloud CDN
date
Tue, 29 Oct 2024 10:37:06 GMT
x-xss-protection
1; mode=block
content-type
text/css
vary
Accept-Encoding, Accept
server
VCCloud CDN / 249.8d03563b3c42196e979c01bd7bf4d401
last-modified
Sun, 01 Sep 2024 09:32:54 GMT
access-control-allow-headers
Accept,Authorization,Cache-Control,Content-Length,Content-Type,DNT,If-Modified-Since,Keep-Alive,Key,Origin,Range,User-Agent,X-Requested-With
evo-main.scss.css
bizweb.dktcdn.net/100/440/391/themes/840026/assets/
126 KB
27 KB
Stylesheet
General
Full URL
https://bizweb.dktcdn.net/100/440/391/themes/840026/assets/evo-main.scss.css?1701517548791
Requested by
Host: happymath.vn
URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
123.30.242.13 , Viet Nam, ASN135905 (VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN),
Reverse DNS
static.vnpt.vn
Software
VCCloud CDN / 249.1b87d6a1270721d0e18721b5ab4685d9 /
Resource Hash
59658d9ae791aec0431237da4562ce024d36a0bc70f839c0cd5a89a8822108f4
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://happymath.vn/

Response headers

cache-control
public, max-age=31536000, stale-while-revalidate=2592000
timing-allow-origin
*
content-encoding
gzip
access-control-allow-methods
GET, HEAD, POST, OPTIONS
x-content-type-options
nosniff
access-control-allow-origin
*
x-cache
HIT from VCCloud CDN
date
Tue, 29 Oct 2024 10:37:06 GMT
x-xss-protection
1; mode=block
content-type
text/css
vary
Accept-Encoding, Accept
server
VCCloud CDN / 249.1b87d6a1270721d0e18721b5ab4685d9
last-modified
Mon, 14 Oct 2024 23:15:37 GMT
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Referer
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timing-allow-origin
*
content-encoding
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access-control-allow-methods
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date
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H2
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TLS 1.3, , AES_256_GCM
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Referer
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cache-control
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timing-allow-origin
*
content-encoding
gzip
access-control-allow-methods
GET, HEAD, POST, OPTIONS
x-content-type-options
nosniff
access-control-allow-origin
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x-cache
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date
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x-xss-protection
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content-type
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access-control-allow-headers
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TLS 1.3, , AES_256_GCM
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Request headers

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Referer
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cache-control
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timing-allow-origin
*
access-control-allow-methods
GET, HEAD, POST, OPTIONS
x-content-type-options
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accept-ranges
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access-control-allow-origin
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content-length
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x-xss-protection
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access-control-allow-headers
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TLS 1.3, , AES_256_GCM
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Referer
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cache-control
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timing-allow-origin
*
access-control-allow-methods
GET, HEAD, POST, OPTIONS
x-content-type-options
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43526
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URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
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TLS 1.3, , AES_256_GCM
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Referer
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cache-control
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timing-allow-origin
*
access-control-allow-methods
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x-content-type-options
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accept-ranges
bytes
access-control-allow-origin
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content-length
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Security
TLS 1.3, , AES_256_GCM
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Referer
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Response headers

Cache-Control
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H2
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TLS 1.3, , AES_256_GCM
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Referer
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cache-control
public, max-age=31536000, stale-while-revalidate=2592000
timing-allow-origin
*
content-encoding
gzip
access-control-allow-methods
GET, HEAD, POST, OPTIONS
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date
Tue, 29 Oct 2024 10:37:07 GMT
x-xss-protection
1; mode=block
content-type
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vary
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access-control-allow-headers
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H2
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TLS 1.3, , AES_256_GCM
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Referer
https://happymath.vn/

Response headers

cache-control
public, max-age=31536000, stale-while-revalidate=2592000
timing-allow-origin
*
content-encoding
gzip
access-control-allow-methods
GET, HEAD, POST, OPTIONS
x-content-type-options
nosniff
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*
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HIT from VCCloud CDN
date
Tue, 29 Oct 2024 10:37:07 GMT
x-xss-protection
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vary
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H2
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TLS 1.3, , AES_128_GCM
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User-Agent
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Referer
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Response headers

cache-control
no-cache, no-store, must-revalidate
pragma
no-cache
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
content-security-policy-report-only
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Full URL
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Host: happymath.vn
URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
123.30.242.13 , Viet Nam, ASN135905 (VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN),
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Request headers

User-Agent
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Referer
https://happymath.vn/

Response headers

cache-control
public, max-age=31536000, stale-while-revalidate=2592000
timing-allow-origin
*
content-encoding
gzip
access-control-allow-methods
GET, HEAD, POST, OPTIONS
x-content-type-options
nosniff
access-control-allow-origin
*
x-cache
HIT from VCCloud CDN
date
Tue, 29 Oct 2024 10:37:07 GMT
x-xss-protection
1; mode=block
content-type
image/svg+xml
vary
Accept-Encoding, Accept
server
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Tue, 30 Jul 2024 12:32:17 GMT
access-control-allow-headers
Accept,Authorization,Cache-Control,Content-Length,Content-Type,DNT,If-Modified-Since,Keep-Alive,Key,Origin,Range,User-Agent,X-Requested-With
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General
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Requested by
Host: happymath.vn
URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
123.30.242.13 , Viet Nam, ASN135905 (VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN),
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Request headers

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Referer
https://happymath.vn/

Response headers

cache-control
public, max-age=31536000, stale-while-revalidate=2592000
timing-allow-origin
*
content-encoding
gzip
access-control-allow-methods
GET, HEAD, POST, OPTIONS
x-content-type-options
nosniff
access-control-allow-origin
*
x-cache
HIT from VCCloud CDN
date
Tue, 29 Oct 2024 10:37:07 GMT
x-xss-protection
1; mode=block
content-type
image/svg+xml
vary
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server
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last-modified
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access-control-allow-headers
Accept,Authorization,Cache-Control,Content-Length,Content-Type,DNT,If-Modified-Since,Keep-Alive,Key,Origin,Range,User-Agent,X-Requested-With
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Image
General
Full URL
https://bizweb.dktcdn.net/100/440/391/themes/840026/assets/evo-mobile-icon-3.svg?1701517548791
Requested by
Host: happymath.vn
URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
123.30.242.13 , Viet Nam, ASN135905 (VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN),
Reverse DNS
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Security Headers
Name Value
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Request headers

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Referer
https://happymath.vn/

Response headers

cache-control
public, max-age=31536000, stale-while-revalidate=2592000
timing-allow-origin
*
content-encoding
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Security
TLS 1.3, , AES_256_GCM
Server
123.30.242.13 , Viet Nam, ASN135905 (VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN),
Reverse DNS
static.vnpt.vn
Software
VCCloud CDN / 249.1b87d6a1270721d0e18721b5ab4685d9 /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://happymath.vn/

Response headers

cache-control
public, max-age=31536000, stale-while-revalidate=2592000
timing-allow-origin
*
content-encoding
gzip
access-control-allow-methods
GET, HEAD, POST, OPTIONS
x-content-type-options
nosniff
access-control-allow-origin
*
x-cache
HIT from VCCloud CDN
date
Tue, 29 Oct 2024 10:37:06 GMT
x-xss-protection
1; mode=block
content-type
text/css
vary
Accept-Encoding, Accept
server
VCCloud CDN / 249.1b87d6a1270721d0e18721b5ab4685d9
last-modified
Mon, 14 Oct 2024 23:15:37 GMT
access-control-allow-headers
Accept,Authorization,Cache-Control,Content-Length,Content-Type,DNT,If-Modified-Since,Keep-Alive,Key,Origin,Range,User-Agent,X-Requested-With
adsbygoogle.js
pagead2.googlesyndication.com/pagead/js/
155 KB
0
Script
General
Full URL
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-8890619752220340
Requested by
Host: happymath.vn
URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.250.185.130 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
fra16s50-in-f2.1e100.net
Software
cafe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://happymath.vn
Referer
https://happymath.vn/

Response headers

content-encoding
br
etag
5899421598554209711
x-content-type-options
nosniff
expires
Tue, 29 Oct 2024 10:37:04 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
date
Tue, 29 Oct 2024 10:37:04 GMT
content-type
text/javascript; charset=UTF-8
vary
Accept-Encoding
content-disposition
attachment; filename="f.txt"
link
<https://googleads.g.doubleclick.net>; rel="preconnect"; crossorigin
cache-control
private, max-age=3600, stale-while-revalidate=3600
timing-allow-origin
*
cross-origin-resource-policy
cross-origin
access-control-allow-origin
*
content-length
53249
x-xss-protection
0
server
cafe
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152 KB
153 KB
Image
General
Full URL
https://bizweb.dktcdn.net/100/440/391/articles/mach-ban-cach-doc-phep-toan-tieng-anh-hieu-qua-1.jpg?v=1702901149363
Requested by
Host: happymath.vn
URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
123.30.242.13 , Viet Nam, ASN135905 (VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN),
Reverse DNS
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Software
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Resource Hash
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Security Headers
Name Value
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Request headers

User-Agent
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Referer
https://happymath.vn/

Response headers

cache-control
public, max-age=31536000, stale-while-revalidate=2592000
timing-allow-origin
*
access-control-allow-methods
GET, HEAD, POST, OPTIONS
x-content-type-options
nosniff
accept-ranges
bytes
access-control-allow-origin
*
x-cache
HIT from VCCloud CDN
content-length
155994
date
Tue, 29 Oct 2024 10:37:07 GMT
x-xss-protection
1; mode=block
content-type
image/webp
vary
Accept
server
VCCloud CDN / 249.695d62297353b92845e8ba36532ed9b9
last-modified
Sat, 19 Oct 2024 08:36:14 GMT
access-control-allow-headers
Accept,Authorization,Cache-Control,Content-Length,Content-Type,DNT,If-Modified-Since,Keep-Alive,Key,Origin,Range,User-Agent,X-Requested-With
truncated
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120 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer

Response headers

Content-Type
image/png
logo.png
bizweb.dktcdn.net/100/440/391/themes/840026/assets/
10 KB
0
Image
General
Full URL
https://bizweb.dktcdn.net/100/440/391/themes/840026/assets/logo.png?1701517548791
Requested by
Host: happymath.vn
URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
123.30.242.13 , Viet Nam, ASN135905 (VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN),
Reverse DNS
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Software
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Resource Hash
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Security Headers
Name Value
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://happymath.vn/

Response headers

cache-control
public, max-age=31536000, stale-while-revalidate=2592000
timing-allow-origin
*
access-control-allow-methods
GET, HEAD, POST, OPTIONS
x-content-type-options
nosniff
accept-ranges
bytes
access-control-allow-origin
*
x-cache
HIT from VCCloud CDN
content-length
9924
date
Tue, 29 Oct 2024 10:37:06 GMT
x-xss-protection
1; mode=block
content-type
image/webp
vary
Accept
server
VCCloud CDN / 249.0073aaf1e1ef324863f5d4c6ec7b5b0f
last-modified
Thu, 29 Aug 2024 05:16:11 GMT
access-control-allow-headers
Accept,Authorization,Cache-Control,Content-Length,Content-Type,DNT,If-Modified-Since,Keep-Alive,Key,Origin,Range,User-Agent,X-Requested-With
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0
0
Document
General
Full URL
https://pagead2.googlesyndication.com/pagead/html/r20241023/r20190131/zrt_lookup_fy2021.html
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202410220101/show_ads_impl_with_ama_fy2021.js?client=ca-pub-8890619752220340&plah=happymath.vn
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.250.185.130 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
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Software
cafe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://happymath.vn/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Response headers

age
32716
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
public, max-age=1209600
content-encoding
br
content-length
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content-type
text/html; charset=UTF-8
cross-origin-resource-policy
cross-origin
date
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etag
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expires
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p3p
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server
cafe
timing-allow-origin
*
vary
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x-content-type-options
nosniff
x-xss-protection
0
ads
pagead2.googlesyndication.com/pagead/ Frame BFD3
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0
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General
Full URL
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Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202410220101/show_ads_impl_with_ama_fy2021.js?client=ca-pub-8890619752220340&plah=happymath.vn
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
142.250.185.130 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
fra16s50-in-f2.1e100.net
Software
cafe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://happymath.vn/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Response headers

alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-encoding
br
content-length
46
content-type
text/html; charset=UTF-8
cross-origin-resource-policy
cross-origin
date
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p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
server
cafe
timing-allow-origin
*
x-content-type-options
nosniff
x-xss-protection
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13 KB
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Full URL
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Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/fbevents.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
157.240.0.6 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
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Software
/
Resource Hash
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Security Headers
Name Value
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Request headers

User-Agent
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Referer
https://happymath.vn/

Response headers

content-encoding
gzip
report-to
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x-content-type-options
nosniff
expires
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alt-svc
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date
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content-type
application/x-javascript; charset=utf-8
vary
Accept-Encoding
cross-origin-embedder-policy-report-only
require-corp;report-to="coep_report"
priority
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x-frame-options
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strict-transport-security
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reporting-endpoints
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content-security-policy
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cache-control
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permissions-policy
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document-policy
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origin-agent-cluster
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85 KB
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General
Full URL
https://connect.facebook.net/vi_VN/sdk/xfbml.customerchat.js
Requested by
Host: happymath.vn
URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
157.240.0.6 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
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Software
/
Resource Hash
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Security Headers
Name Value
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
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Response headers

content-md5
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access-control-expose-headers
X-FB-Content-MD5
content-encoding
gzip
etag
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report-to
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x-content-type-options
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expires
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alt-svc
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date
Tue, 29 Oct 2024 10:37:07 GMT
content-type
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vary
Accept-Encoding
cross-origin-embedder-policy-report-only
require-corp;report-to="coep_report"
priority
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x-frame-options
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strict-transport-security
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reporting-endpoints
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x-fb-content-md5
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cache-control
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timing-allow-origin
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Content-Security-Policy default-src data: blob: 'self' https://*.fbsbx.com 'unsafe-inline' *.facebook.com *.fbcdn.net 'unsafe-eval';script-src *.facebook.com *.fbcdn.net *.facebook.net 127.0.0.1:* 'unsafe-inline' blob: data: 'self' connect.facebook.net 'unsafe-eval' https://*.google-analytics.com *.google.com;style-src *.fbcdn.net data: *.facebook.com 'unsafe-inline' https://fonts.googleapis.com;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net wss://*.facebook.com:* wss://*.whatsapp.com:* wss://*.fbcdn.net attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' http://localhost:3103 wss://gateway.facebook.com wss://edge-chat.facebook.com wss://snaptu-d.facebook.com wss://kaios-d.facebook.com/ v.whatsapp.net *.fbsbx.com *.fb.com https://*.google-analytics.com;font-src data: *.facebook.com *.fbcdn.net *.fbsbx.com https://fonts.gstatic.com;img-src *.fbcdn.net *.facebook.com data: https://*.fbsbx.com facebook.com *.cdninstagram.com fbsbx.com fbcdn.net connect.facebook.net *.carriersignal.info blob: android-webview-video-poster: *.whatsapp.net *.fb.com *.oculuscdn.com *.tenor.co *.tenor.com *.giphy.com https://paywithmybank.com/ https://*.paywithmybank.com/ https://www.googleadservices.com https://googleads.g.doubleclick.net https://*.google-analytics.com;media-src *.cdninstagram.com blob: *.fbcdn.net *.fbsbx.com www.facebook.com *.facebook.com data: *.tenor.co *.tenor.com https://*.giphy.com;frame-src *.facebook.com *.fbsbx.com fbsbx.com data: www.instagram.com *.fbcdn.net https://paywithmybank.com/ https://*.paywithmybank.com/ https://www.googleadservices.com https://googleads.g.doubleclick.net https://www.google.com https://td.doubleclick.net *.google.com *.doubleclick.net;worker-src blob: *.facebook.com data:;block-all-mixed-content;upgrade-insecure-requests;
Strict-Transport-Security max-age=15552000; preload
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://happymath.vn/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Response headers

alt-svc
h3=":443"; ma=86400
cache-control
private, no-cache, no-store, must-revalidate
content-encoding
zstd
content-security-policy
default-src data: blob: 'self' https://*.fbsbx.com 'unsafe-inline' *.facebook.com *.fbcdn.net 'unsafe-eval';script-src *.facebook.com *.fbcdn.net *.facebook.net 127.0.0.1:* 'unsafe-inline' blob: data: 'self' connect.facebook.net 'unsafe-eval' https://*.google-analytics.com *.google.com;style-src *.fbcdn.net data: *.facebook.com 'unsafe-inline' https://fonts.googleapis.com;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net wss://*.facebook.com:* wss://*.whatsapp.com:* wss://*.fbcdn.net attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' http://localhost:3103 wss://gateway.facebook.com wss://edge-chat.facebook.com wss://snaptu-d.facebook.com wss://kaios-d.facebook.com/ v.whatsapp.net *.fbsbx.com *.fb.com https://*.google-analytics.com;font-src data: *.facebook.com *.fbcdn.net *.fbsbx.com https://fonts.gstatic.com;img-src *.fbcdn.net *.facebook.com data: https://*.fbsbx.com facebook.com *.cdninstagram.com fbsbx.com fbcdn.net connect.facebook.net *.carriersignal.info blob: android-webview-video-poster: *.whatsapp.net *.fb.com *.oculuscdn.com *.tenor.co *.tenor.com *.giphy.com https://paywithmybank.com/ https://*.paywithmybank.com/ https://www.googleadservices.com https://googleads.g.doubleclick.net https://*.google-analytics.com;media-src *.cdninstagram.com blob: *.fbcdn.net *.fbsbx.com www.facebook.com *.facebook.com data: *.tenor.co *.tenor.com https://*.giphy.com;frame-src *.facebook.com *.fbsbx.com fbsbx.com data: www.instagram.com *.fbcdn.net https://paywithmybank.com/ https://*.paywithmybank.com/ https://www.googleadservices.com https://googleads.g.doubleclick.net https://www.google.com https://td.doubleclick.net *.google.com *.doubleclick.net;worker-src blob: *.facebook.com data:;block-all-mixed-content;upgrade-insecure-requests;
content-type
text/html; charset="utf-8"
cross-origin-opener-policy
unsafe-none
cross-origin-resource-policy
cross-origin
date
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document-policy
force-load-at-top
expires
Sat, 01 Jan 2000 00:00:00 GMT
facebook-api-version
v18.0
origin-agent-cluster
?0
permissions-policy
accelerometer=(), attribution-reporting=(self), autoplay=(), bluetooth=(), browsing-topics=(self), camera=(self), ch-device-memory=(), ch-downlink=(), ch-dpr=(), ch-ect=(), ch-rtt=(), ch-save-data=(), ch-ua-arch=(), ch-ua-bitness=(), ch-viewport-height=(), ch-viewport-width=(), ch-width=(), clipboard-read=(self), clipboard-write=(self), compute-pressure=(), display-capture=(self), encrypted-media=(self), fullscreen=(self), gamepad=*, geolocation=(self), gyroscope=(), hid=(), idle-detection=(), interest-cohort=(self), keyboard-map=(), local-fonts=(), magnetometer=(), microphone=(self), midi=(), otp-credentials=(), payment=(), picture-in-picture=(self), private-state-token-issuance=(), publickey-credentials-get=(self), screen-wake-lock=(), serial=(), shared-storage=(), shared-storage-select-url=(), private-state-token-redemption=(), usb=(), unload=(self), window-management=(), xr-spatial-tracking=(self);report-to="permissions_policy"
pragma
no-cache
report-to
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reporting-endpoints
coop_report="https://www.facebook.com/browser_reporting/coop/?minimize=0", default="https://www.facebook.com/ajax/browser_error_reports/?device_level=unknown&brsid=7431144810496985528", permissions_policy="https://www.facebook.com/ajax/browser_error_reports/"
strict-transport-security
max-age=15552000; preload
vary
Accept-Encoding
x-content-type-options
nosniff
x-fb-connection-quality
EXCELLENT; q=0.9, rtt=38, rtx=0, c=10, mss=1297, tbw=2918, tp=-1, tpl=-1, uplat=79, ullat=0
x-fb-debug
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x-xss-protection
0
/
www.facebook.com/plugins/customer_chat/SDK/
0
0

/
www.facebook.com/plugins/customer_chat/facade/
0
0

sodar2.js
ep2.adtrafficquality.google/sodar/
18 KB
7 KB
Script
General
Full URL
https://ep2.adtrafficquality.google/sodar/sodar2.js
Requested by
Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202410220101/show_ads_impl_with_ama_fy2021.js?client=ca-pub-8890619752220340&plah=happymath.vn
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:803::2001 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://happymath.vn/

Response headers

content-encoding
gzip
etag
"1727224258380615"
report-to
{"group":"adspam-signals-scs","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/adspam-signals-scs"}]}
x-content-type-options
nosniff
expires
Tue, 29 Oct 2024 10:37:09 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
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content-type
text/javascript
vary
Accept-Encoding
cache-control
private, max-age=3000
cross-origin-opener-policy
same-origin; report-to="adspam-signals-scs"
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
content-length
6445
x-xss-protection
0
server
sffe
runner.html
ep2.adtrafficquality.google/sodar/sodar2/232/ Frame 9B72
0
0
Document
General
Full URL
https://ep2.adtrafficquality.google/sodar/sodar2/232/runner.html
Requested by
Host: ep2.adtrafficquality.google
URL: https://ep2.adtrafficquality.google/sodar/sodar2.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:803::2001 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://happymath.vn/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Response headers

accept-ranges
bytes
age
250
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
public, max-age=3000
content-encoding
gzip
content-length
5005
content-type
text/html
cross-origin-opener-policy
same-origin; report-to="adspam-signals-scs"
cross-origin-resource-policy
cross-origin
date
Tue, 29 Oct 2024 10:32:59 GMT
expires
Tue, 29 Oct 2024 11:22:59 GMT
last-modified
Mon, 23 Sep 2024 18:12:21 GMT
report-to
{"group":"adspam-signals-scs","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/adspam-signals-scs"}]}
server
sffe
vary
Accept-Encoding
x-content-type-options
nosniff
x-xss-protection
0
collect
region1.google-analytics.com/g/
0
0
Fetch
General
Full URL
https://region1.google-analytics.com/g/collect?v=2&tid=G-RXE02E055Z&gtm=45je4ao0v888780812za200&_p=1730198223927&gcd=13l3l3l2l1l1&npa=1&dma_cps=syphamo&dma=1&tag_exp=101533421~101823848~101878899~101878944~101925629&cid=675458161.1730198224&ul=de-de&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&are=1&frm=0&pscdl=noapi&_eu=AAAC&_s=3&sid=1730198224&sct=1&seg=1&dl=https%3A%2F%2Fhappymath.vn%2Fmach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua&dt=M%C3%81CH%20B%E1%BA%A0N%20C%C3%81CH%20%C4%90%E1%BB%8CC%20PH%C3%89P%20TO%C3%81N%20TRONG%20TI%E1%BA%BENG%20ANH%20HI%E1%BB%86U%20QU%E1%BA%A2%20%7C%20HappyMath&en=page_view&_ee=1&_et=324&tfd=8658
Requested by
Host: happymath.vn
URL: https://happymath.vn/dist/js/stats.min.js?v=96f2ff2
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
216.239.32.36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://happymath.vn/

Response headers

cache-control
no-cache, no-store, must-revalidate
pragma
no-cache
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
content-security-policy-report-only
script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascnsrsggc:86:0
report-to
{"group":"coop_reporting","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/scaffolding/ascnsrsggc:86:0"}],}
expires
Fri, 01 Jan 1990 00:00:00 GMT
access-control-allow-origin
https://happymath.vn
cross-origin-opener-policy-report-only
same-origin; report-to=coop_reporting
content-length
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Tue, 29 Oct 2024 10:37:09 GMT
content-type
text/plain
server
Golfe2
sodar
ep1.adtrafficquality.google/pagead/
0
0

favicon.png
bizweb.dktcdn.net/100/440/391/themes/840026/assets/
35 KB
35 KB
Other
General
Full URL
https://bizweb.dktcdn.net/100/440/391/themes/840026/assets/favicon.png?1701517548791
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
123.30.242.13 , Viet Nam, ASN135905 (VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP, VN),
Reverse DNS
static.vnpt.vn
Software
VCCloud CDN / 249.f0e9688a863d67223bac9ba8ace88bac /
Resource Hash
4a10f29ea3463e1161c4bf0a6fd1c1bdc30a30fc09f68f5f4f73ee1ff7b1d341
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://happymath.vn/

Response headers

cache-control
public, max-age=31536000, stale-while-revalidate=2592000
timing-allow-origin
*
access-control-allow-methods
GET, HEAD, POST, OPTIONS
x-content-type-options
nosniff
accept-ranges
bytes
access-control-allow-origin
*
x-cache
HIT from VCCloud CDN
content-length
35344
date
Tue, 29 Oct 2024 10:37:10 GMT
x-xss-protection
1; mode=block
content-type
image/webp
vary
Accept
server
VCCloud CDN / 249.f0e9688a863d67223bac9ba8ace88bac
last-modified
Thu, 15 Aug 2024 12:33:52 GMT
access-control-allow-headers
Accept,Authorization,Cache-Control,Content-Length,Content-Type,DNT,If-Modified-Since,Keep-Alive,Key,Origin,Range,User-Agent,X-Requested-With

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
statistic-blog-v2.sapoapps.vn
URL
https://statistic-blog-v2.sapoapps.vn/api/script-tag.js?store=happymath.mysapo.net
Domain
www.facebook.com
URL
https://www.facebook.com/plugins/customer_chat/SDK/?app_id=252271411871880&attribution=setup_tool&channel=https%3A%2F%2Fstaticxx.facebook.com%2Fx%2Fconnect%2Fxd_arbiter%2F%3Fversion%3D46%23cb%3Dff25bdd6aef1aa169%26domain%3Dhappymath.vn%26is_canvas%3Dfalse%26origin%3Dhttps%253A%252F%252Fhappymath.vn%252Ffeee492fd1970221a%26relation%3Dparent.parent&current_url=https%3A%2F%2Fhappymath.vn%2Fmach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua&event_name=chat_plugin_sdk_facade_create&is_loaded_by_facade=true&loading_time=0&locale=vi_VN&log_id=36399f2d-c1a5-4a77-bbfe-e100574c5c83&page_id=381514369029864&request_time=1730198229050&sdk=joey&should_use_new_domain=false&suppress_http_code=1&theme_color=%230084ff
Domain
www.facebook.com
URL
https://www.facebook.com/plugins/customer_chat/facade/?app_id=252271411871880&attribution=setup_tool&channel=https%3A%2F%2Fstaticxx.facebook.com%2Fx%2Fconnect%2Fxd_arbiter%2F%3Fversion%3D46%23cb%3Dff25bdd6aef1aa169%26domain%3Dhappymath.vn%26is_canvas%3Dfalse%26origin%3Dhttps%253A%252F%252Fhappymath.vn%252Ffeee492fd1970221a%26relation%3Dparent.parent&current_url=https%3A%2F%2Fhappymath.vn%2Fmach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua&is_loaded_by_facade=true&locale=vi_VN&log_id=36399f2d-c1a5-4a77-bbfe-e100574c5c83&page_id=381514369029864&request_time=1730198229050&sdk=joey&should_use_new_domain=false&suppress_http_code=1&theme_color=%230084ff
Domain
ep1.adtrafficquality.google
URL
https://ep1.adtrafficquality.google/pagead/sodar?id=sodar2&v=232&t=2&li=gda_r20241023&jk=3113633920895156&bg=!l5SllNvNAAZ-RxQpXkc7ADQBe5WfOIcTdBDTQ61Y1odr0pjC8GNxn7ogto3CS2WA6VHF6OrRauVvsCd8VHO913Lp-QeSAgAAAJpSAAAAAmgBB34ANu1kHwtHW5x2fbjh-WgvnKrMvDi6U_egdKh_9pOLKYZ3cIPdhfQ_7pEkPDxTaBCoV_QsTuA_JZkCkTzJzwQ1H2_hkdKHtd9ljRnmlFv08cD_yDvKoIYlEGp6r2jcUzldgp5ghSe_8eaGdgPO8aW3DpnrnRagCB263JQQ9ZGrqWHdfgeII53PGvlOcrOAGr_VXXj055ScfMF2h-4PMFHxkCpLNUtsk_KzVuZdaPOfBvUi7okY1lzSQhe5uLI2aJ70be3fIlB3OTMN1iro_azEFqDcN6QjGD8-0ALj1b2YM4qSZKrFLm-4dptx3-ox0SxIDu_u1mLU1QWwhjLc4s-TRcVN7lrKz7biUzKQih504PL1w7etGS4gs_JrIz0Bp0tulGMnmDfzmbRkSM3YnJ7GD6kr7Z9m6ZmELFiqvhw_6EYKg2DptVwwvvIAmx0NM3xZdErPteMiF3HY_AKEl_-Vht6VC779hKlkslMf7wfBwCtv9pl1_8vj07IjcLxhUb7e7sGy_YB3jsB02X4dB2kSOFbAAE5ZK59yrRI-TVAfdRNsQsA0JUgqUqFiTjn-QbOeLTM6KzRkmRSHdr3jb4jny1p199ews7pUgC7dFb5F_Hq0xUA5wJz0Vl6pSRR2NJkZI9F40RXkeObpMU3tmVC9DoQHm86NIQMUYLTA4KNYBHhu4AZx-ZZjw40uVWPDyUmtdRrNmjrVb3g1HTatqdByYugxEJOyFJ2yk9HN112TkCT0zE4ej5HWy0G-IqDPPVLpXKX7vjH_PRk3uxOdReegPlf7lyixXhH87642v7gRB0sfjjMkjGlVBCFfc5Jb6c5Nw1WQDrBDGZiekA49Huk0-CbMmIhBEDnheatyiKLHNiG5ld2sdv3JSjnbewFQEMBdWoHrNANgqqUrqOkAqaho335qzrdlwXkSDn_x0DH3D_ozKwwudydpC_Aa4w

Verdicts & Comments Add Verdict or Comment

76 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 object| 3 function| gtag object| dataLayer object| Bizweb object| meta string| attr object| BizwebAnalytics object| google_js_reporting_queue number| google_srt object| google_logging_queue object| google_ad_modifications object| ggeac object| google_persistent_state_async object| google_tag_data object| google_reactive_ads_global_state object| adsbygoogle object| google_sa_queue function| google_process_slots number| google_rum_task_id_counter string| google_user_agent_client_hint object| google_tag_manager function| onYouTubeIframeAPIReady object| gaGlobal function| fbq function| _fbq object| eventsListenerScript function| _extends function| _typeof function| $ function| jQuery object| bootstrap function| LazyLoad function| awe_lazyloadImage function| google_spfd number| google_unique_id object| google_sv_map function| floatToString function| attributeToString object| GLOBAL object| UTIL function| freeShipping function| addToCart function| addToCartSuccess function| addToCartFail function| updateQuantity function| removeItemCart function| updateCartDesc function| google_sa_impl object| googPageScrollPreventerInfo number| google_global_correlator object| google_prev_clients object| ampInaboxIframes object| ampInaboxPendingMessages object| placeholderText function| awe_showNoitice function| awe_showLoading function| awe_hideLoading function| awe_showPopup function| awe_hidePopup function| awe_convertVietnamese function| awe_category function| awe_backtotop function| awe_tab function| buy_now number| menu_limit number| sidebar_length object| _0xa1c3 object| theme function| fbAsyncInit object| FingerprintJS object| FB object| GoogleGcLKhOms object| google_image_requests

20 Cookies

Domain/Path Name / Value
happymath.vn/ Name: cart_currency
Value: VND
happymath.vn/ Name: _landing_page
Value: %2Fmach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
happymath.vn/ Name: _orig_referrer
Value:
happymath.vn/ Name: cart
Value: 253f4c7903ab39d7359ff706c8c01cdb
happymath.vn/ Name: cart_sig
Value: 84f1cd07d2281d155b3f0db8c135fc2d
.happymath.vn/ Name: _ga
Value: GA1.1.675458161.1730198224
happymath.vn/ Name: _landing_full_page
Value: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
happymath.vn/ Name: _landing_type
Value: article
.happymath.vn/ Name: _ga_RXE02E055Z
Value: GS1.1.1730198224.1.1.1730198224.0.0.0
.happymath.vn/ Name: _fbp
Value: fb.1.1730198228319.77445865646710445
store.mysapo.net/ Name: cart_currency
Value: VND
store.mysapo.net/ Name: _landing_page
Value: %2Faccount%2FGoogleOneTap
store.mysapo.net/ Name: _orig_referrer
Value: https%3A%2F%2Fhappymath.vn%2F
store.mysapo.net/ Name: cart
Value: be0567a3d085f37e28a04f025ef02afb
store.mysapo.net/ Name: cart_sig
Value: cd631c6f1f91031c5e2734d1fbc4691a
happymath.vn/ Name: _s
Value: 286dcdda-902b-46a2-9574-1dc0a5d03721
happymath.vn/ Name: _v
Value: ec6f12f2-ea3a-4f2a-b901-3ab413b39ea5
happymath.vn/ Name: _origin_reference_site
Value:
happymath.vn/ Name: _v_new
Value: true
happymath.vn/ Name: one-click-social-login-google-one-tap-shown
Value: 1

5 Console Messages

Source Level URL
Text
network error URL: https://s7.addthis.com/js/300/addthis_widget.js#pubid=ra-5a099baca270babc
Message:
Failed to load resource: the server responded with a status of 500 (Internal Server Error)
javascript error URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Message:
Access to XMLHttpRequest at 'https://www.facebook.com/plugins/customer_chat/facade/?app_id=252271411871880&attribution=setup_tool&channel=https%3A%2F%2Fstaticxx.facebook.com%2Fx%2Fconnect%2Fxd_arbiter%2F%3Fversion%3D46%23cb%3Dff25bdd6aef1aa169%26domain%3Dhappymath.vn%26is_canvas%3Dfalse%26origin%3Dhttps%253A%252F%252Fhappymath.vn%252Ffeee492fd1970221a%26relation%3Dparent.parent&current_url=https%3A%2F%2Fhappymath.vn%2Fmach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua&is_loaded_by_facade=true&locale=vi_VN&log_id=36399f2d-c1a5-4a77-bbfe-e100574c5c83&page_id=381514369029864&request_time=1730198229050&sdk=joey&should_use_new_domain=false&suppress_http_code=1&theme_color=%230084ff' from origin 'https://happymath.vn' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
network error URL: https://www.facebook.com/plugins/customer_chat/facade/?app_id=252271411871880&attribution=setup_tool&channel=https%3A%2F%2Fstaticxx.facebook.com%2Fx%2Fconnect%2Fxd_arbiter%2F%3Fversion%3D46%23cb%3Dff25bdd6aef1aa169%26domain%3Dhappymath.vn%26is_canvas%3Dfalse%26origin%3Dhttps%253A%252F%252Fhappymath.vn%252Ffeee492fd1970221a%26relation%3Dparent.parent&current_url=https%3A%2F%2Fhappymath.vn%2Fmach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua&is_loaded_by_facade=true&locale=vi_VN&log_id=36399f2d-c1a5-4a77-bbfe-e100574c5c83&page_id=381514369029864&request_time=1730198229050&sdk=joey&should_use_new_domain=false&suppress_http_code=1&theme_color=%230084ff
Message:
Failed to load resource: net::ERR_FAILED
javascript error URL: https://happymath.vn/mach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua
Message:
Access to XMLHttpRequest at 'https://www.facebook.com/plugins/customer_chat/SDK/?app_id=252271411871880&attribution=setup_tool&channel=https%3A%2F%2Fstaticxx.facebook.com%2Fx%2Fconnect%2Fxd_arbiter%2F%3Fversion%3D46%23cb%3Dff25bdd6aef1aa169%26domain%3Dhappymath.vn%26is_canvas%3Dfalse%26origin%3Dhttps%253A%252F%252Fhappymath.vn%252Ffeee492fd1970221a%26relation%3Dparent.parent&current_url=https%3A%2F%2Fhappymath.vn%2Fmach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua&event_name=chat_plugin_sdk_facade_create&is_loaded_by_facade=true&loading_time=0&locale=vi_VN&log_id=36399f2d-c1a5-4a77-bbfe-e100574c5c83&page_id=381514369029864&request_time=1730198229050&sdk=joey&should_use_new_domain=false&suppress_http_code=1&theme_color=%230084ff' from origin 'https://happymath.vn' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
network error URL: https://www.facebook.com/plugins/customer_chat/SDK/?app_id=252271411871880&attribution=setup_tool&channel=https%3A%2F%2Fstaticxx.facebook.com%2Fx%2Fconnect%2Fxd_arbiter%2F%3Fversion%3D46%23cb%3Dff25bdd6aef1aa169%26domain%3Dhappymath.vn%26is_canvas%3Dfalse%26origin%3Dhttps%253A%252F%252Fhappymath.vn%252Ffeee492fd1970221a%26relation%3Dparent.parent&current_url=https%3A%2F%2Fhappymath.vn%2Fmach-ban-cach-doc-phep-toan-trong-tieng-anh-hieu-qua&event_name=chat_plugin_sdk_facade_create&is_loaded_by_facade=true&loading_time=0&locale=vi_VN&log_id=36399f2d-c1a5-4a77-bbfe-e100574c5c83&page_id=381514369029864&request_time=1730198229050&sdk=joey&should_use_new_domain=false&suppress_http_code=1&theme_color=%230084ff
Message:
Failed to load resource: net::ERR_FAILED

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Header Value
Content-Security-Policy block-all-mixed-content; upgrade-insecure-requests;
Strict-Transport-Security max-age=7776000
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Indicators

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connect.facebook.net
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happymath.vn
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www.facebook.com
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