developer.mozilla.org Open in urlscan Pro
2600:9000:20e8:800:2:eb5:8c00:93a1 Public Scan

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Submitted URL:
https://developer.mozilla.org/docs/Web/CSS/font-optical-sizing
Effective URL:
https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing
Submission: On April 14 via api (April 14th 2021, 2:29:37 am UTC) from US

Summary HTTP 42 Redirects Links 21 Behaviour Indicators

Summary

This website contacted 6 IPs in 3 countries across 5 domains to perform 42 HTTP transactions. The main IP is 2600:9000:20e8:800:2:eb5:8c00:93a1, located in United States and belongs to AMAZON-02, US. The main domain is developer.mozilla.org.
TLS certificate: Issued by Amazon on November 4th 2020. Valid for: a year.

This is the only time developer.mozilla.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 28	2600:9000:20e... 2600:9000:20e8:800:2:eb5:8c00:93a1	16509 (AMAZON-02) (AMAZON-02)
2	151.101.14.217 151.101.14.217	54113 (FASTLY) (FASTLY)
2	2a00:1450:400... 2a00:1450:4001:80f::200e	15169 (GOOGLE) (GOOGLE)
9	2600:9000:20e... 2600:9000:20e8:dc00:19:11d6:d680:93a1	16509 (AMAZON-02) (AMAZON-02)
1	2a00:1450:400... 2a00:1450:400c:c00::9d	15169 (GOOGLE) (GOOGLE)
42	6

28 2600:9000:20e8:800:2:eb5:8c00:93a1 (United States) 1 redirects

ASN16509 (AMAZON-02, US)

developer.mozilla.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 151.101.14.217 (Frankfurt am Main, Germany)

ASN54113 (FASTLY, US)

cdn.speedcurve.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
lux.speedcurve.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:80f::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

9 2600:9000:20e8:dc00:19:11d6:d680:93a1 (United States)

ASN16509 (AMAZON-02, US)

interactive-examples.mdn.mozilla.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:400c:c00::9d (Brussels, Belgium)

ASN15169 (GOOGLE, US)

stats.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
28	mozilla.org 1 redirects developer.mozilla.org	200 KB
9	mozilla.net interactive-examples.mdn.mozilla.net Failed	107 KB
2	google-analytics.com www.google-analytics.com	19 KB
2	speedcurve.com cdn.speedcurve.com lux.speedcurve.com	7 KB
1	doubleclick.net stats.g.doubleclick.net	89 B
42	5

	Domain	Requested by
28	developer.mozilla.org	1 redirects developer.mozilla.org
9	interactive-examples.mdn.mozilla.net	developer.mozilla.org interactive-examples.mdn.mozilla.net
2	www.google-analytics.com	developer.mozilla.org www.google-analytics.com
1	lux.speedcurve.com	cdn.speedcurve.com
1	stats.g.doubleclick.net	www.google-analytics.com
1	cdn.speedcurve.com	developer.mozilla.org
42	6

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

Domain
github.com
drafts.csswg.org
www.mozilla.org
shop.spreadshirt.com
twitter.com
www.instagram.com

Subject Issuer	Validity	Valid
developer.mozilla.org Amazon	`2020-11-04` - `2021-12-03`	a year	crt.sh
*.speedcurve.com GlobalSign Atlas R3 DV TLS CA 2020	`2020-12-09` - `2022-01-10`	a year	crt.sh
*.google-analytics.com GTS CA 1O1	`2021-03-23` - `2021-06-15`	3 months	crt.sh
interactive-examples.mdn.mozilla.net Amazon	`2020-09-06` - `2021-10-08`	a year	crt.sh
*.g.doubleclick.net GTS CA 1O1	`2021-03-16` - `2021-06-08`	3 months	crt.sh

This page contains 3 frames:

Primary Page: https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing
Frame ID: C9441B3BFEBEFE350ED72FC2763900D8
Requests: 32 HTTP requests in this frame

Frame: https://interactive-examples.mdn.mozilla.net/pages/css/font-optical-sizing.html
Frame ID: 97B29AE0085E09EC4A56AFF11D632B4D
Requests: 1 HTTP requests in this frame

Frame: https://interactive-examples.mdn.mozilla.net/pages/css/font-optical-sizing.html
Frame ID: C399D66E7294C9EDA3F7C493360DE180
Requests: 9 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page URL History Show full URLs

https://developer.mozilla.org/docs/Web/CSS/font-optical-sizing HTTP 302
https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing Page URL

Detected technologies

Amazon Web Services (PaaS) Expand

Overall confidence: 100%
Detected patterns

headers via /$CloudFront$$/i
headers server /^AmazonS3$/i

Amazon Cloudfront (CDN) Expand

Overall confidence: 100%
Detected patterns

headers via /$CloudFront$$/i

Amazon S3 (Miscellaneous) Expand

Overall confidence: 100%
Detected patterns

headers server /^AmazonS3$/i

Page Statistics

42
Requests

98 %
HTTPS

80 %
IPv6

5
Domains

6
Subdomains

6
IPs

3
Countries

333 kB
Transfer

898 kB
Size

4
Cookies

21 Outgoing links

These are links going to different origins than the main page.

URL: https://github.com/mdn/content/issues/new
Title: Report a content issue 🌐

Search URL Search Domain Scan URL

URL: https://github.com/mdn/yari/issues/new
Title: Report a platform issue 🌐

Search URL Search Domain Scan URL

URL: https://github.com/mdn/interactive-examples
Title: https://github.com/mdn/interactive-examples

Search URL Search Domain Scan URL

URL: https://github.com/TypeNetwork/Amstelvar/releases
Title: download it on GitHub

Search URL Search Domain Scan URL

URL: https://drafts.csswg.org/css-fonts-4/#font-optical-sizing-def
Title: CSS Fonts Module Level 4The definition of 'font-optical-sizing' in that specification.

Search URL Search Domain Scan URL

URL: https://github.com/mdn/browser-compat-data/issues/new?body=%3C%21--+Tips%3A+where+applicable%2C+specify+browser+name%2C+browser+version%2C+and+mobile+operating+system+version+--%3E%0A%0A%23%23%23%23+What+information+was+incorrect%2C+unhelpful%2C+or+incomplete%3F%0A%0A%23%23%23%23+What+did+you+expect+to+see%3F%0A%0A%23%23%23%23+Did+you+test+this%3F+If+so%2C+how%3F%0A%0A%0A%3C%21--+Do+not+make+changes+below+this+line+--%3E%0A%3Cdetails%3E%0A%3Csummary%3EMDN+page+report+details%3C%2Fsummary%3E%0A%0A*+Query%3A+%60css.properties.font-optical-sizing%60%0A*+MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FCSS%2Ffont-optical-sizing%0A*+Report+started%3A+2021-04-14T02%3A29%3A21.655Z%0A%0A%3C%2Fdetails%3E&title=css.properties.font-optical-sizing+-+%3CPUT+TITLE+HERE%3E
Title: Report problems with this compatibility data on GitHub

Search URL Search Domain Scan URL

URL: https://github.com/mdn/browser-compat-data
Title: https://github.com/mdn/browser-compat-data

Search URL Search Domain Scan URL

URL: https://github.com/mdn/content/blob/main/files/en-us/web/css/font-optical-sizing/index.html
Title: Source on GitHub

Search URL Search Domain Scan URL

URL: https://github.com/mdn/content/issues/new?body=MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FCSS%2Ffont-optical-sizing%0A%0A%23%23%23%23+What+information+was+incorrect%2C+unhelpful%2C+or+incomplete%3F%0A%0A%0A%23%23%23%23+Specific+section+or+headline%3F%0A%0A%0A%23%23%23%23+What+did+you+expect+to+see%3F%0A%0A%0A%23%23%23%23+Did+you+test+this%3F+If+so%2C+how%3F%0A%0A%0A%3C%21--+Do+not+make+changes+below+this+line+--%3E%0A%3Cdetails%3E%0A%3Csummary%3EMDN+Content+page+report+details%3C%2Fsummary%3E%0A%0A*+Folder%3A+%60en-us%2Fweb%2Fcss%2Ffont-optical-sizing%60%0A*+MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FCSS%2Ffont-optical-sizing%0A*+GitHub+URL%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Fcontent%2Fblob%2Fmain%2Ffiles%2Fen-us%2Fweb%2Fcss%2Ffont-optical-sizing%2Findex.html%0A*+Last+commit%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Fcontent%2Fcommit%2Ff4fb4c2d90a134366c280eec6cb599825981ad5d%0A*+Document+last+modified%3A+2021-03-15T17%3A55%3A56.000Z%0A%0A%3C%2Fdetails%3E&title=Issue+with+%22font-optical-sizing%22%3A+%28short+summary+here+please%29&labels=Content%3ACSS%2Cneeds-triage
Title: Report a problem with this content on GitHub

Search URL Search Domain Scan URL

URL: https://github.com/mdn/content/blob/main/README.md
Title: our Contribution guide

Search URL Search Domain Scan URL

URL: https://www.mozilla.org/about/
Title: About

Search URL Search Domain Scan URL

URL: https://shop.spreadshirt.com/mdn-store/
Title: MDN Web Docs Store

Search URL Search Domain Scan URL

URL: https://www.mozilla.org/contact/
Title: Contact Us

Search URL Search Domain Scan URL

URL: https://www.mozilla.org/firefox/?utm_source=developer.mozilla.org&utm_campaign=footer&utm_medium=referral
Title: Firefox

Search URL Search Domain Scan URL

URL: https://twitter.com/mozdevnet

Search URL Search Domain Scan URL

URL: https://github.com/mdn/

Search URL Search Domain Scan URL

URL: https://twitter.com/mozilla

Search URL Search Domain Scan URL

URL: https://www.instagram.com/mozillagram/

Search URL Search Domain Scan URL

URL: https://www.mozilla.org/about/legal/terms/mozilla
Title: Terms

Search URL Search Domain Scan URL

URL: https://www.mozilla.org/privacy/websites/
Title: Privacy

Search URL Search Domain Scan URL

URL: https://www.mozilla.org/privacy/websites/#cookies
Title: Cookies

Search URL Search Domain Scan URL

Page URL History

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

https://developer.mozilla.org/docs/Web/CSS/font-optical-sizing HTTP 302
https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

42 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request font-optical-sizing Show response
developer.mozilla.org/en-US/docs/Web/CSS/
Redirect Chain

https://developer.mozilla.org/docs/Web/CSS/font-optical-sizing
https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing

266 KB
26 KB

380ms
380ms

Document
text/html

2600:9000:20e8:800:2:eb5:8c00:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:20e8:800:2:eb5:8c00:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

AmazonS3 /

Resource Hash

882895c583320708385a0f47ae7070b54e24b8a43d6a40dac2912d31f2f05c45

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

:method: GET
:authority: developer.mozilla.org
:scheme: https
:path: /en-US/docs/Web/CSS/font-optical-sizing
pragma: no-cache
cache-control: no-cache
upgrade-insecure-requests: 1
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 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: none
sec-fetch-mode: navigate
sec-fetch-user: ?1
sec-fetch-dest: document
accept-encoding: gzip, deflate, br
accept-language: en-US
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

content-type: text/html; charset=utf-8
date: Wed, 14 Apr 2021 02:29:21 GMT
cache-control: max-age=86400, public
last-modified: Wed, 14 Apr 2021 01:55:43 GMT
etag: W/"c5e75a91de431dd0bdb6ba2d80191bb9"
server: AmazonS3
x-frame-options: DENY
x-xss-protection: 1; mode=block
x-content-type-options: nosniff
strict-transport-security: max-age=63072000
content-encoding: br
vary: Accept-Encoding
x-cache: Miss from cloudfront
via: 1.1 b46ec6462593127fefb6ecac53956825.cloudfront.net (CloudFront)
x-amz-cf-pop: TXL52-C1
x-amz-cf-id: 8r8MmdnyZ9YS0QHAKi25fvMkBZkNuxnnUdw-MqXdgJjssk76lnv3EQ==

Redirect headers

content-length: 0
server: CloudFront
date: Wed, 14 Apr 2021 02:29:20 GMT
location: /en-US/docs/Web/CSS/font-optical-sizing
cache-control: no-store
x-cache: Miss from cloudfront
via: 1.1 b46ec6462593127fefb6ecac53956825.cloudfront.net (CloudFront)
x-amz-cf-pop: TXL52-C1
x-amz-cf-id: amaeYCBRBkN5gKGoLQKZ1hDEhXgTzcMI7CwM778wLK6GR0zuOxFFIg==

GET
H2 200 ZillaSlab-Bold.subset.0beac26b.woff2
developer.mozilla.org/static/media/ 33 KB
34 KB 16ms
15ms Font
binary/octet-stream 2600:9000:20e8:800:2:eb5:8c00:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://developer.mozilla.org/static/media/ZillaSlab-Bold.subset.0beac26b.woff2

Requested by

Host: developer.mozilla.org
URL: https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:20e8:800:2:eb5:8c00:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

AmazonS3 /

Resource Hash

e1ef5d6255b98cc45364a4542012f6a9cbb8cb83b0b866d8b2408b89469c828a

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

Origin: https://developer.mozilla.org
Referer: https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date: Sun, 11 Apr 2021 19:25:20 GMT
via: 1.1 b46ec6462593127fefb6ecac53956825.cloudfront.net (CloudFront)
x-content-type-options: nosniff
age: 198242
x-cache: Hit from cloudfront
content-length: 34064
x-xss-protection: 1; mode=block
last-modified: Fri, 27 Nov 2020 00:36:33 GMT
server: AmazonS3
x-frame-options: DENY
etag: "e96c15f68c6885e098749f67170b4c3b"
strict-transport-security: max-age=63072000
content-type: binary/octet-stream
cache-control: max-age=31536000, public
x-amz-cf-pop: TXL52-C1
x-amz-cf-id: ulV7KmyXnsRG102_BcYNhXI6s_52SeGBxDFBvWqOB1MgiO2kvTj_CQ==

GET
H2 200 main.e7962908.chunk.css
developer.mozilla.org/static/css/ 49 KB
10 KB 25ms
25ms Stylesheet
text/css 2600:9000:20e8:800:2:eb5:8c00:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://developer.mozilla.org/static/css/main.e7962908.chunk.css

Requested by

Host: developer.mozilla.org
URL: https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:20e8:800:2:eb5:8c00:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

AmazonS3 /

Resource Hash

ba51af85baabcadf65eca9c4aa2f38e9629ad394c469ad1fb64703efffd87a1c

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

Referer: https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date: Thu, 01 Apr 2021 01:46:45 GMT
content-encoding: br
x-content-type-options: nosniff
age: 1125757
x-cache: Hit from cloudfront
vary: Accept-Encoding
x-xss-protection: 1; mode=block
last-modified: Thu, 01 Apr 2021 01:40:19 GMT
server: AmazonS3
x-frame-options: DENY
etag: W/"ce4d150162f8fcc3289a9bc8897297d7"
strict-transport-security: max-age=63072000
content-type: text/css; charset=utf-8
via: 1.1 b46ec6462593127fefb6ecac53956825.cloudfront.net (CloudFront)
cache-control: max-age=31536000, public
x-amz-cf-pop: TXL52-C1
x-amz-cf-id: 2UxT21O3YyI85XelnzSi0peqrSzHw1cqTDJnbGME7QJZYNn5MIDI-g==

GET
H2 200 lux.js Show response
cdn.speedcurve.com/js/ 21 KB
7 KB 47ms
14ms Script
application/javascript 151.101.14.217
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL: https://cdn.speedcurve.com/js/lux.js?id=108906238
Requested by: Host: developer.mozilla.org
URL: https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 151.101.14.217 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software: Apache /
Resource Hash: eccc2ec415a62c04085c3a8ed0bed66d15d87b1c45cce979c679d12380b29910

Request headers

Origin: https://developer.mozilla.org
Referer: https://developer.mozilla.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date: Wed, 14 Apr 2021 02:29:21 GMT
via: 1.1 vegur, 1.1 varnish
age: 6735
x-cache: HIT
x-cache-hits: 9
content-encoding: gzip
content-length: 6821
x-served-by: cache-fra19156-FRA
last-modified: Wed, 14 Apr 2021 00:37:06 GMT
server: Apache
x-timer: S1618367361.059207,VS0,VE0
vary: Accept-Encoding
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: max-age=604800
accept-ranges: bytes
timing-allow-origin: *
expires: Wed, 21 Apr 2021 00:37:06 GMT

GET
H2 200 ga.js Show response
developer.mozilla.org/static/js/ 2 KB
1 KB 13ms
12ms Script
application/javascript 2600:9000:20e8:800:2:eb5:8c00:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://developer.mozilla.org/static/js/ga.js

Requested by

Host: developer.mozilla.org
URL: https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:20e8:800:2:eb5:8c00:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

AmazonS3 /

Resource Hash

377803259da581256bbf8c2638368523585986e7e9c72e993af5edfbe967e49f

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

Referer: https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date: Tue, 13 Apr 2021 22:33:01 GMT
content-encoding: br
x-content-type-options: nosniff
age: 14181
x-cache: Hit from cloudfront
vary: Accept-Encoding
x-xss-protection: 1; mode=block
last-modified: Thu, 18 Feb 2021 19:29:52 GMT
server: AmazonS3
x-frame-options: DENY
etag: W/"677c5b73f11568425a71f44e61a9bb49"
strict-transport-security: max-age=63072000
content-type: application/javascript; charset=utf-8
via: 1.1 b46ec6462593127fefb6ecac53956825.cloudfront.net (CloudFront)
cache-control: max-age=86400, public
x-amz-cf-pop: TXL52-C1
x-amz-cf-id: VlCU3zAZnzEIgw1Rbtlp5vZRhV2l9_nnSs7ja50UgiFbd_NdqpcWiQ==

GET
H2 200 runtime-main.5dc36064.js Show response
developer.mozilla.org/static/js/ 4 KB
2 KB 15ms
14ms Script
application/javascript 2600:9000:20e8:800:2:eb5:8c00:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://developer.mozilla.org/static/js/runtime-main.5dc36064.js

Requested by

Host: developer.mozilla.org
URL: https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:20e8:800:2:eb5:8c00:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

AmazonS3 /

Resource Hash

ea83a387fda44e7ea3994dff16f43c03fb1deff75bbc5c08877c4a1ec8b011fc

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

Referer: https://developer.mozilla.org/en-US/docs/Web/CSS/font-optical-sizing
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date: Wed, 14 Apr 2021 02:02:18 GMT
content-encoding: br
x-content-type-options: nosniff
age: 1623
x-cache: Hit from cloudfront
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Response headers

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Response headers

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Response headers

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Response headers

date: Fri, 12 Feb 2021 08:41:22 GMT
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Full URL

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Response headers

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Response headers

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Response headers

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AMAZON-02

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Full URL: https://interactive-examples.mdn.mozilla.net/media/dino.svg
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Response headers

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87 KB 15ms
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AMAZON-02

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Full URL: https://interactive-examples.mdn.mozilla.net/media/fonts/AmstelvarAlpha-VF.ttf
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URL: https://interactive-examples.mdn.mozilla.net/live-examples/css-examples/fonts/font-optical-sizing.css
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Request headers

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Response headers

date: Tue, 13 Apr 2021 06:51:57 GMT
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vary: Accept-Encoding
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GET
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853 B 25ms
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AMAZON-02

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Full URL: https://interactive-examples.mdn.mozilla.net/media/clippy.svg
Requested by: Host: interactive-examples.mdn.mozilla.net
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Response headers

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GET
H2 200 / Show response
lux.speedcurve.com/lux/ 44 B
216 B 55ms
16ms Script
application/javascript 151.101.14.217
FASTLY

General

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Response headers

date: Wed, 14 Apr 2021 02:29:22 GMT
via: 1.1 varnish
server: Varnish
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Failed requests

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

Domain: interactive-examples.mdn.mozilla.net
URL: https://interactive-examples.mdn.mozilla.net/pages/css/font-optical-sizing.html

Verdicts & Comments Add Verdict or Comment

26 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.

4 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
.mozilla.org/	1970-01-19 17:32:47	Name: _gat Value: 1
.mozilla.org/	1970-01-19 17:34:13	Name: _gid Value: GA1.2.771625369.1618367362
.mozilla.org/	1970-01-20 11:03:59	Name: _ga Value: GA1.2.1916439451.1618367362
developer.mozilla.org/	1970-01-19 17:32:49	Name: lux_uid Value: 161836736107303009

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=63072000
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.

cdn.speedcurve.com
developer.mozilla.org
interactive-examples.mdn.mozilla.net
lux.speedcurve.com
stats.g.doubleclick.net
www.google-analytics.com
interactive-examples.mdn.mozilla.net
151.101.14.217
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developer.mozilla.org Open in urlscan Pro 2600:9000:20e8:800:2:eb5:8c00:93a1 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page URL History Show full URLs

Detected technologies

Page Statistics

42 Requests

98 %HTTPS

80 %IPv6

5 Domains

6 Subdomains

6 IPs

3 Countries

333 kBTransfer

898 kBSize

4 Cookies

21 Outgoing links

Page URL History

Redirected requests

42 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

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developer.mozilla.org Open in urlscan Pro
2600:9000:20e8:800:2:eb5:8c00:93a1 Public Scan

Screenshot
Live screenshot

Full Image

42
Requests

98 %
HTTPS

80 %
IPv6

5
Domains

6
Subdomains

6
IPs

3
Countries

333 kB
Transfer

898 kB
Size

4
Cookies

42 HTTP transactions
0 data transactions