developer.mozilla.org Open in urlscan Pro
2600:1901:0:ab4c:: Public Scan

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URL:
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options
Submission: On May 30 via api (May 30th 2023, 4:12:21 am UTC) from US — Scanned from DE

Summary HTTP 45 Redirects Links 30 Behaviour Indicators

Summary

This website contacted 4 IPs in 3 countries across 3 domains to perform 45 HTTP transactions. The main IP is 2600:1901:0:ab4c::, located in Kansas City, United States and belongs to GOOGLE, US. The main domain is developer.mozilla.org. The Cisco Umbrella rank of the primary domain is 33710.
TLS certificate: Issued by GTS CA 1D4 on April 13th 2023. Valid for: 3 months.

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
41	2600:1901:0:a... 2600:1901:0:ab4c::	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:400... 2a00:1450:4001:811::200e	15169 (GOOGLE) (GOOGLE)
1	2600:1901:0:c... 2600:1901:0:c1be::	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:400c:c06::9b	15169 (GOOGLE) (GOOGLE)
45	4

41 2600:1901:0:ab4c:: (Kansas City, United States)

ASN15169 (GOOGLE, US)

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

2 2a00:1450:4001:811::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

1 2600:1901:0:c1be:: (Kansas City, United States)

ASN15169 (GOOGLE, US)

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

1 2a00:1450:400c:c06::9b (Brussels, Belgium)

ASN15169 (GOOGLE, US)

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

	Apex Domain Subdomains	Transfer
42	mozilla.org developer.mozilla.org — Cisco Umbrella Rank: 33710 bcd.developer.mozilla.org — Cisco Umbrella Rank: 70722	578 KB
2	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 30	21 KB
1	doubleclick.net stats.g.doubleclick.net — Cisco Umbrella Rank: 76	350 B
45	3

	Domain	Requested by
41	developer.mozilla.org	developer.mozilla.org
2	www.google-analytics.com	developer.mozilla.org www.google-analytics.com
1	stats.g.doubleclick.net	www.google-analytics.com
1	bcd.developer.mozilla.org	developer.mozilla.org
45	4

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

Domain
wiki.mozilla.org
observatory.mozilla.org
fetch.spec.whatwg.org
chromium.googlesource.com
html.spec.whatwg.org
github.com
docs.microsoft.com
blog.mozilla.org
twitter.com
www.mozilla.org
support.mozilla.org
discourse.mozilla.org
hacks.mozilla.org
foundation.mozilla.org

Subject Issuer	Validity	Valid
developer.mozilla.org GTS CA 1D4	`2023-04-13` - `2023-07-12`	3 months	crt.sh
*.google-analytics.com GTS CA 1C3	`2023-05-08` - `2023-07-31`	3 months	crt.sh
bcd.developer.mozilla.org GTS CA 1D4	`2023-05-12` - `2023-08-10`	3 months	crt.sh
*.g.doubleclick.net GTS CA 1C3	`2023-05-08` - `2023-07-31`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options
Frame ID: EF3D42389DAC4558AFDA6AAF20BBE4BD
Requests: 45 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

X-Content-Type-Options - HTTP | MDNMDN Web DocsMDN logoMozilla logo

Detected technologies

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

google-analytics\.com/(?:ga|urchin|analytics)\.js

Page Statistics

45
Requests

100 %
HTTPS

100 %
IPv6

3
Domains

4
Subdomains

4
IPs

3
Countries

599 kB
Transfer

1284 kB
Size

3
Cookies

30 Outgoing links

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

URL: https://wiki.mozilla.org/Security/Guidelines/Web_Security
Title: Mozilla web security guidelines

Search URL Search Domain Scan URL

URL: https://observatory.mozilla.org/
Title: Mozilla Observatory

Search URL Search Domain Scan URL

URL: https://fetch.spec.whatwg.org/#should-response-to-request-be-blocked-due-to-nosniff?
Title: request-blocking due to nosniff

Search URL Search Domain Scan URL

URL: https://fetch.spec.whatwg.org/#concept-request-destination
Title: request destinations

Search URL Search Domain Scan URL

URL: https://chromium.googlesource.com/chromium/src/+/master/services/network/cross_origin_read_blocking_explainer.md#determining-whether-a-response-is-corb_protected
Title: enables Cross-Origin Read Blocking (CORB)

Search URL Search Domain Scan URL

URL: https://html.spec.whatwg.org/multipage/scripting.html#javascript-mime-type
Title: JavaScript MIME type

Search URL Search Domain Scan URL

URL: https://fetch.spec.whatwg.org/#x-content-type-options-header
Title: Fetch Standard # x-content-type-options-header

Search URL Search Domain Scan URL

URL: https://github.com/mdn/browser-compat-data/issues/new?mdn-url=https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FHTTP%2FHeaders%2FX-Content-Type-Options&metadata=%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+%60http.headers.X-Content-Type-Options%60%0A*+Report+started%3A+2023-05-30T04%3A12%3A17.429Z%0A%0A%3C%2Fdetails%3E&title=http.headers.X-Content-Type-Options+-+%3CSUMMARIZE+THE+PROBLEM%3E&template=data-problem.yml
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://docs.microsoft.com/archive/blogs/ie/ie8-security-part-vi-beta-2-update
Title: original definition

Search URL Search Domain Scan URL

URL: https://blog.mozilla.org/security/2016/08/26/mitigating-mime-confusion-attacks-in-firefox/
Title: Mitigating MIME Confusion Attacks in Firefox

Search URL Search Domain Scan URL

URL: https://fetch.spec.whatwg.org/#corb
Title: Cross-Origin Read Blocking (CORB)

Search URL Search Domain Scan URL

URL: https://chromium.googlesource.com/chromium/src/+/master/services/network/cross_origin_read_blocking_explainer.md
Title: Google Docs CORB explainer

Search URL Search Domain Scan URL

URL: https://github.com/mdn/content/edit/main/files/en-us/web/http/headers/x-content-type-options/index.md
Title: Edit the page on GitHub

Search URL Search Domain Scan URL

URL: https://github.com/mdn/content/issues/new?template=page-report.yml&mdn-url=https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FHTTP%2FHeaders%2FX-Content-Type-Options&metadata=%3C%21--+Do+not+make+changes+below+this+line+--%3E%0A%3Cdetails%3E%0A%3Csummary%3EPage+report+details%3C%2Fsummary%3E%0A%0A*+Folder%3A+%60en-us%2Fweb%2Fhttp%2Fheaders%2Fx-content-type-options%60%0A*+MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FHTTP%2FHeaders%2FX-Content-Type-Options%0A*+GitHub+URL%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Fcontent%2Fblob%2Fmain%2Ffiles%2Fen-us%2Fweb%2Fhttp%2Fheaders%2Fx-content-type-options%2Findex.md%0A*+Last+commit%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Fcontent%2Fcommit%2Fb0870830e4c02596ca6c501f8f8b468a917eafc2%0A*+Document+last+modified%3A+2023-05-10T11%3A37%3A46.000Z%0A%0A%3C%2Fdetails%3E
Title: Report the content issue

Search URL Search Domain Scan URL

URL: https://github.com/mdn/content/blob/main/files/en-us/web/http/headers/x-content-type-options/index.md?plain=1
Title: View the source on GitHub

Search URL Search Domain Scan URL

URL: https://github.com/mdn/content/blob/main/CONTRIBUTING.md
Title: Learn how to contribute

Search URL Search Domain Scan URL

URL: https://twitter.com/mozdevnet
Title: MDN on Twitter

Search URL Search Domain Scan URL

URL: https://github.com/mdn/
Title: MDN on GitHub

Search URL Search Domain Scan URL

URL: https://www.mozilla.org/en-US/careers/listings/?team=Marketing
Title: Careers

Search URL Search Domain Scan URL

URL: https://support.mozilla.org/products/mdn-plus
Title: Product help

Search URL Search Domain Scan URL

URL: https://discourse.mozilla.org/c/mdn/236
Title: MDN Forum

Search URL Search Domain Scan URL

URL: https://wiki.mozilla.org/Matrix
Title: MDN Chat

Search URL Search Domain Scan URL

URL: https://hacks.mozilla.org/
Title: Hacks Blog

Search URL Search Domain Scan URL

URL: https://www.mozilla.org/
Title: Mozilla logo

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://www.mozilla.org/about/governance/policies/participation/
Title: Community Participation Guidelines

Search URL Search Domain Scan URL

URL: https://foundation.mozilla.org/
Title: Mozilla Foundation

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

45 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 X-Content-Type-Options Show response
developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ 131 KB
20 KB 220ms
14ms Document
text/html 2600:1901:0:ab4c::
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:1901:0:ab4c:: Kansas City, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

5d6e0a302df358f67034cf25bffc1e111e9dbe499daa08ea444c066e29f932fa

Security Headers

Name	Value
Content-Security-Policy	default-src 'self'; script-src 'report-sample' 'self' www.google-analytics.com/analytics.js assets.codepen.io production-assets.codepen.io 'sha256-GA8+DpFnqAM/vwERTpb5zyLUaN5KnOhctfTsqWfhaUA=' 'sha256-uogddBLIKmJa413dyT0iPejBg3VFcO+4x6B+vw3jng0='; script-src-elem 'report-sample' 'self' www.google-analytics.com/analytics.js assets.codepen.io production-assets.codepen.io 'sha256-GA8+DpFnqAM/vwERTpb5zyLUaN5KnOhctfTsqWfhaUA=' 'sha256-uogddBLIKmJa413dyT0iPejBg3VFcO+4x6B+vw3jng0='; style-src 'report-sample' 'self' 'unsafe-inline'; object-src 'none'; base-uri 'self'; connect-src 'self' bcd.developer.allizom.org bcd.developer.mozilla.org updates.developer.allizom.org updates.developer.mozilla.org www.google-analytics.com stats.g.doubleclick.net; font-src 'self'; frame-src 'self' interactive-examples.mdn.mozilla.net interactive-examples.mdn.allizom.net mdn.github.io live-samples.mdn.mozilla.net live-samples.mdn.allizom.net live-samples.developer.allizom.xyz jsfiddle.net www.youtube-nocookie.com codepen.io survey.alchemer.com; img-src 'self' .githubusercontent.com .googleusercontent.com *.gravatar.com mozillausercontent.com firefoxusercontent.com profile.stage.mozaws.net profile.accounts.firefox.com mdn.dev interactive-examples.mdn.mozilla.net interactive-examples.mdn.allizom.net wikipedia.org upload.wikimedia.org www.google-analytics.com www.gstatic.com; manifest-src 'self'; media-src 'self' archive.org videos.cdn.mozilla.net; child-src 'self'; worker-src 'self';
Strict-Transport-Security	max-age=63072000
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

accept-ranges: none
age: 5663
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000 clear
cache-control: public, max-age=86400
content-encoding: br
content-length: 19145
content-security-policy: default-src 'self'; script-src 'report-sample' 'self' www.google-analytics.com/analytics.js assets.codepen.io production-assets.codepen.io 'sha256-GA8+DpFnqAM/vwERTpb5zyLUaN5KnOhctfTsqWfhaUA=' 'sha256-uogddBLIKmJa413dyT0iPejBg3VFcO+4x6B+vw3jng0='; script-src-elem 'report-sample' 'self' www.google-analytics.com/analytics.js assets.codepen.io production-assets.codepen.io 'sha256-GA8+DpFnqAM/vwERTpb5zyLUaN5KnOhctfTsqWfhaUA=' 'sha256-uogddBLIKmJa413dyT0iPejBg3VFcO+4x6B+vw3jng0='; style-src 'report-sample' 'self' 'unsafe-inline'; object-src 'none'; base-uri 'self'; connect-src 'self' bcd.developer.allizom.org bcd.developer.mozilla.org updates.developer.allizom.org updates.developer.mozilla.org www.google-analytics.com stats.g.doubleclick.net; font-src 'self'; frame-src 'self' interactive-examples.mdn.mozilla.net interactive-examples.mdn.allizom.net mdn.github.io live-samples.mdn.mozilla.net live-samples.mdn.allizom.net live-samples.developer.allizom.xyz jsfiddle.net www.youtube-nocookie.com codepen.io survey.alchemer.com; img-src 'self' *.githubusercontent.com *.googleusercontent.com *.gravatar.com mozillausercontent.com firefoxusercontent.com profile.stage.mozaws.net profile.accounts.firefox.com mdn.dev interactive-examples.mdn.mozilla.net interactive-examples.mdn.allizom.net wikipedia.org upload.wikimedia.org www.google-analytics.com www.gstatic.com; manifest-src 'self'; media-src 'self' archive.org videos.cdn.mozilla.net; child-src 'self'; worker-src 'self';
content-type: text/html
date: Tue, 30 May 2023 02:37:54 GMT
etag: W/"ae5234a1b190d76441d51511de3e2d5a"
expires: Wed, 31 May 2023 02:37:53 GMT
last-modified: Tue, 30 May 2023 00:40:11 GMT
server: Google Frontend
strict-transport-security: max-age=63072000
vary: Accept-Encoding
via: 1.1 google
x-cache: hit
x-cloud-trace-context: c51be9a3fbfc0a2334fb62556220e45a
x-content-type-options: nosniff
x-frame-options: DENY
x-goog-generation: 1685407210941659
x-goog-hash: crc32c=Jjzf2A==, md5=rlI0obGQ12RB1RUR3j4tWg==
x-goog-meta-goog-reserved-file-mtime: 1685406762
x-goog-metageneration: 1
x-goog-storage-class: STANDARD
x-goog-stored-content-encoding: identity
x-goog-stored-content-length: 133720
x-guploader-uploadid: ADPycdvZY9lQ-u4gX59eqA9puo6hIYGNRDoa52krPlziDopke-5FnAHrgcKlQ-OMhiWe2LVwpfmNl_Ch7wTeKFxdJuFlwT2IToL8
x-xss-protection: 1; mode=block

GET
H2 200 ga.js Show response
developer.mozilla.org/static/js/ 2 KB
1 KB 13ms
12ms Script
text/javascript 2600:1901:0:ab4c::
GOOGLE

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/HTTP/Headers/X-Content-Type-Options

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:1901:0:ab4c:: Kansas City, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

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

accept-language: de-DE,de;q=0.9
Referer: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

strict-transport-security: max-age=63072000
via: 1.1 google
x-content-type-options: nosniff
date: Tue, 30 May 2023 00:58:26 GMT
content-encoding: br
age: 11631
x-guploader-uploadid: ADPycdvbpLfuVDNcubzjtK9Vx2xkImFOyljqp5khqEtRbnfl2DLosgDLktPWRmNKZQVXCCDYlL9WWs-dFym-eZZhGtkB
x-cache: hit
x-goog-storage-class: STANDARD
x-goog-metageneration: 1
x-goog-stored-content-encoding: identity
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000, clear
content-length: 727
x-xss-protection: 1; mode=block
last-modified: Tue, 30 May 2023 00:35:28 GMT
server: Google Frontend
etag: W/"677c5b73f11568425a71f44e61a9bb49"
x-frame-options: DENY
x-goog-generation: 1685406928254414
x-goog-hash: crc32c=ysZdvA==, md5=Z3xbc/EVaEJacfROYam7SQ==
content-type: text/javascript
x-cloud-trace-context: 7bc2d878a3e328697d738122bc67a843
cache-control: public, max-age=86400
x-goog-stored-content-length: 1675
vary: Accept-Encoding
accept-ranges: none
expires: Wed, 31 May 2023 00:42:16 GMT

GET
H2 200 main.ab26e9c5.js Show response
developer.mozilla.org/static/js/ 564 KB
155 KB 20ms
20ms Script
text/javascript 2600:1901:0:ab4c::
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://developer.mozilla.org/static/js/main.ab26e9c5.js

Requested by

Host: developer.mozilla.org
URL: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:1901:0:ab4c:: Kansas City, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

03545971a0c5c1dce5b37792bcb0e21720cac7cca5339c048267c8cd74f33f69

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

accept-language: de-DE,de;q=0.9
Referer: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

strict-transport-security: max-age=63072000
via: 1.1 google
x-content-type-options: nosniff
date: Tue, 30 May 2023 00:56:42 GMT
content-encoding: br
age: 11735
x-guploader-uploadid: ADPycdtGI0-cqEVD6WR6WmCkoRDlBVG3NuJb6I3nM5XNJekdDmhJlQSVXcRzu17LIVLCV0PCQCmwZEejMtb55W3HcJTfJQ
x-cache: hit
x-goog-storage-class: STANDARD
x-goog-metageneration: 1
x-goog-stored-content-encoding: identity
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000, clear
content-length: 158055
x-xss-protection: 1; mode=block
last-modified: Tue, 30 May 2023 00:35:27 GMT
server: Google Frontend
etag: W/"b081e18d612f31f19574f0eaadbe802f"
x-frame-options: DENY
x-goog-generation: 1685406927925004
x-goog-hash: crc32c=NfB7AA==, md5=sIHhjWEvMfGVdPDqrb6ALw==
content-type: text/javascript
x-cloud-trace-context: a00382a6a55783697966db326c759f0b
cache-control: public, max-age=31536000
x-goog-stored-content-length: 577623
vary: Accept-Encoding
accept-ranges: none
expires: Wed, 31 May 2023 00:37:49 GMT

GET
H2 200 main.5ec6d60a.css
developer.mozilla.org/static/css/ 156 KB
26 KB 14ms
13ms Stylesheet
text/css 2600:1901:0:ab4c::
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://developer.mozilla.org/static/css/main.5ec6d60a.css

Requested by

Host: developer.mozilla.org
URL: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:1901:0:ab4c:: Kansas City, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

e8089e0e903aa88facb828fb867fb33f80f8bc9d9eb06a20b80bb27744606833

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

accept-language: de-DE,de;q=0.9
Referer: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

strict-transport-security: max-age=63072000
via: 1.1 google
x-content-type-options: nosniff
date: Tue, 30 May 2023 00:58:26 GMT
content-encoding: br
age: 11631
x-guploader-uploadid: ADPycdt6j0yHnexFF-Jo5ndA3IFRkBFhLJq9JAYj9UkZq2hEALe_uMUliMY-JXAd9i8cKG3Sa_G6m8vgq6EScAHOSHVktw
x-cache: hit
x-goog-storage-class: STANDARD
x-goog-metageneration: 1
x-goog-stored-content-encoding: identity
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000, clear
content-length: 25845
x-xss-protection: 1; mode=block
last-modified: Tue, 30 May 2023 00:35:28 GMT
server: Google Frontend
etag: W/"0783a25cc27058d60354fda3d8a189f8"
x-frame-options: DENY
x-goog-generation: 1685234084484117
x-goog-hash: crc32c=mTXdsw==, md5=B4OiXMJwWNYDVP2j2KGJ+A==
content-type: text/css
x-cloud-trace-context: b059874da633ccf3230be44ee0e081b0
cache-control: public, max-age=31536000
x-goog-stored-content-length: 159787
vary: Accept-Encoding
accept-ranges: none
expires: Wed, 31 May 2023 00:45:51 GMT

GET
H2 200 analytics.js Show response
www.google-analytics.com/ 51 KB
21 KB 49ms
13ms Script
text/javascript 2a00:1450:4001:811::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/analytics.js

Requested by

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

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Full URL

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Full URL

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POST
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Show headers Download Go to

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Full URL

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Full URL

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Full URL

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Response headers

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Full URL

https://developer.mozilla.org/static/media/webview.dc22c0f5614a5ff2d93a.svg

Requested by

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https://developer.mozilla.org/static/media/yes.70caad81ca5e3d9f7576.svg

Requested by

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image/svg+xml 2600:1901:0:ab4c::
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https://developer.mozilla.org/static/media/more.ce2ad00a1fca149a22ce.svg

Requested by

Host: developer.mozilla.org
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Response headers

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https://developer.mozilla.org/static/media/partial.2d8806d709221f07c72c.svg

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Host: developer.mozilla.org
URL: https://developer.mozilla.org/static/css/main.5ec6d60a.css

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Security

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Response headers

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Full URL

https://developer.mozilla.org/submit/mdn-yari/action/1/61389fb6-b203-4612-94bf-b6845c193bcb

Requested by

Host: developer.mozilla.org
URL: https://developer.mozilla.org/static/js/main.ab26e9c5.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:1901:0:ab4c:: Kansas City, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

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Resource Hash

Security Headers

Name	Value
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Response headers

date: Tue, 30 May 2023 04:12:17 GMT
strict-transport-security: max-age=31536000
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text/plain 2600:1901:0:ab4c::
GOOGLE

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Full URL

https://developer.mozilla.org/submit/mdn-yari/action/1/33fb7903-114f-4449-a6ff-4fb962b870ed

Requested by

Host: developer.mozilla.org
URL: https://developer.mozilla.org/static/js/main.ab26e9c5.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:1901:0:ab4c:: Kansas City, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

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Resource Hash

Security Headers

Name	Value
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Request headers

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Response headers

date: Tue, 30 May 2023 04:12:17 GMT
strict-transport-security: max-age=31536000
content-encoding: gzip
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text/plain 2600:1901:0:ab4c::
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Full URL

https://developer.mozilla.org/submit/mdn-yari/page/1/985728b7-177e-4502-b104-9a93e051b268

Requested by

Host: developer.mozilla.org
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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:1901:0:ab4c:: Kansas City, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

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Resource Hash

Security Headers

Name	Value
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Request headers

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Response headers

date: Tue, 30 May 2023 04:12:18 GMT
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POST
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97 B 140ms
139ms Ping
text/plain 2600:1901:0:ab4c::
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Server: 2600:1901:0:ab4c:: Kansas City, United States, ASN15169 (GOOGLE, US),
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Response headers

x-cloud-trace-context: 4fad0d6a6625afbb9ad767028281642d
date: Tue, 30 May 2023 04:12:18 GMT
via: 1.1 google
server: Google Frontend
alt-svc: clear
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POST
H2 201 viewed
developer.mozilla.org/pong/ 7 B
118 B 120ms
120ms Ping
text/plain 2600:1901:0:ab4c::
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Show headers Download Go to

Full URL: https://developer.mozilla.org/pong/viewed?code=aHR0cHM6Ly9lLTEwMjUwLmFkemVyay5uZXQvaS5naWY%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%3D.haM74P3mwI7vg5aDB9OPMvv0N%2BNR%2BGbr4ADGU2qAUkg%3D
Requested by: Host: developer.mozilla.org
URL: https://developer.mozilla.org/static/js/main.ab26e9c5.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:1901:0:ab4c:: Kansas City, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Google Frontend /
Resource Hash: d70b9e24bca26b409b9458ceca6c9e5c2b5c3171c37ff050c6f6a0d7a4420d2a

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

x-cloud-trace-context: 680224d072640066f2382da398c69f32
date: Tue, 30 May 2023 04:12:18 GMT
via: 1.1 google
server: Google Frontend
alt-svc: clear
content-length: 7
content-type: text/plain; charset=utf-8

POST
H2 200 59e15dd6-3d81-47f5-8497-752bdd5c28c0
developer.mozilla.org/submit/mdn-yari/action/1/ 0
0 183ms
183ms Fetch
text/plain 2600:1901:0:ab4c::
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://developer.mozilla.org/submit/mdn-yari/action/1/59e15dd6-3d81-47f5-8497-752bdd5c28c0

Requested by

Host: developer.mozilla.org
URL: https://developer.mozilla.org/static/js/main.ab26e9c5.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:1901:0:ab4c:: Kansas City, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

openresty /

Resource Hash

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Frame-Options	DENY

Request headers

Content-Encoding: gzip
Referer: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options
X-Telemetry-Agent: Glean/1.4.0 (JS on Windows)
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
Content-Type: application/json; charset=utf-8

Response headers

date: Tue, 30 May 2023 04:12:18 GMT
strict-transport-security: max-age=31536000
content-encoding: gzip
via: 1.1 google, 1.1 google
server: openresty
vary: Accept-Encoding
access-control-allow-methods: GET, POST, PUT, OPTIONS
content-type: text/plain; charset=utf-8
access-control-allow-origin: https://developer.mozilla.org
x-frame-options: DENY
access-control-max-age: 1728000
access-control-allow-headers: Accept-Encoding,Connection,Content-Encoding,Content-Length,Content-Type,DNT,Date,Sec-Fetch-Dest,Sec-Fetch-Mode,Sec-Fetch-Site,User-Agent,X-Client-Type,X-Client-Version,X-Debug-ID,X-Forwarded-For,X-Pingsender-Version,X-Pipeline-Proxy,X-Source-Tags,X-Telemetry-Agent
alt-svc: clear, clear

POST
H2 200 17c61e9f-4ec7-4c2a-8e8d-b05cbe9d3263
developer.mozilla.org/submit/mdn-yari/action/1/ 0
0 220ms
220ms Fetch
text/plain 2600:1901:0:ab4c::
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://developer.mozilla.org/submit/mdn-yari/action/1/17c61e9f-4ec7-4c2a-8e8d-b05cbe9d3263

Requested by

Host: developer.mozilla.org
URL: https://developer.mozilla.org/static/js/main.ab26e9c5.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:1901:0:ab4c:: Kansas City, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

openresty /

Resource Hash

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Frame-Options	DENY

Request headers

Content-Encoding: gzip
Referer: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options
X-Telemetry-Agent: Glean/1.4.0 (JS on Windows)
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
Content-Type: application/json; charset=utf-8

Response headers

date: Tue, 30 May 2023 04:12:18 GMT
strict-transport-security: max-age=31536000
content-encoding: gzip
via: 1.1 google, 1.1 google
server: openresty
vary: Accept-Encoding
access-control-allow-methods: GET, POST, PUT, OPTIONS
content-type: text/plain; charset=utf-8
access-control-allow-origin: https://developer.mozilla.org
x-frame-options: DENY
access-control-max-age: 1728000
access-control-allow-headers: Accept-Encoding,Connection,Content-Encoding,Content-Length,Content-Type,DNT,Date,Sec-Fetch-Dest,Sec-Fetch-Mode,Sec-Fetch-Site,User-Agent,X-Client-Type,X-Client-Version,X-Debug-ID,X-Forwarded-For,X-Pingsender-Version,X-Pipeline-Proxy,X-Source-Tags,X-Telemetry-Agent
alt-svc: clear, clear

Verdicts & Comments Add Verdict or Comment

9 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.

3 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/	1970-01-20 21:46:19	Name: _ga Value: GA1.2.1479414856.1685419937
.mozilla.org/	1970-01-20 12:11:46	Name: _gid Value: GA1.2.230234965.1685419937
.mozilla.org/	1970-01-20 12:10:19	Name: _gat Value: 1

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
Content-Security-Policy	default-src 'self'; script-src 'report-sample' 'self' www.google-analytics.com/analytics.js assets.codepen.io production-assets.codepen.io 'sha256-GA8+DpFnqAM/vwERTpb5zyLUaN5KnOhctfTsqWfhaUA=' 'sha256-uogddBLIKmJa413dyT0iPejBg3VFcO+4x6B+vw3jng0='; script-src-elem 'report-sample' 'self' www.google-analytics.com/analytics.js assets.codepen.io production-assets.codepen.io 'sha256-GA8+DpFnqAM/vwERTpb5zyLUaN5KnOhctfTsqWfhaUA=' 'sha256-uogddBLIKmJa413dyT0iPejBg3VFcO+4x6B+vw3jng0='; style-src 'report-sample' 'self' 'unsafe-inline'; object-src 'none'; base-uri 'self'; connect-src 'self' bcd.developer.allizom.org bcd.developer.mozilla.org updates.developer.allizom.org updates.developer.mozilla.org www.google-analytics.com stats.g.doubleclick.net; font-src 'self'; frame-src 'self' interactive-examples.mdn.mozilla.net interactive-examples.mdn.allizom.net mdn.github.io live-samples.mdn.mozilla.net live-samples.mdn.allizom.net live-samples.developer.allizom.xyz jsfiddle.net www.youtube-nocookie.com codepen.io survey.alchemer.com; img-src 'self' .githubusercontent.com .googleusercontent.com *.gravatar.com mozillausercontent.com firefoxusercontent.com profile.stage.mozaws.net profile.accounts.firefox.com mdn.dev interactive-examples.mdn.mozilla.net interactive-examples.mdn.allizom.net wikipedia.org upload.wikimedia.org www.google-analytics.com www.gstatic.com; manifest-src 'self'; media-src 'self' archive.org videos.cdn.mozilla.net; child-src 'self'; worker-src 'self';
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.

bcd.developer.mozilla.org
developer.mozilla.org
stats.g.doubleclick.net
www.google-analytics.com
2600:1901:0:ab4c::
2600:1901:0:c1be::
2a00:1450:4001:811::200e
2a00:1450:400c:c06::9b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developer.mozilla.org Open in urlscan Pro 2600:1901:0:ab4c:: Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Detected technologies

Page Statistics

45 Requests

100 %HTTPS

100 %IPv6

3 Domains

4 Subdomains

4 IPs

3 Countries

599 kBTransfer

1284 kBSize

3 Cookies

30 Outgoing links

Redirected requests

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

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developer.mozilla.org Open in urlscan Pro
2600:1901:0:ab4c:: Public Scan

Screenshot
Live screenshot

Full Image

45
Requests

100 %
HTTPS

100 %
IPv6

3
Domains

4
Subdomains

4
IPs

3
Countries

599 kB
Transfer

1284 kB
Size

3
Cookies

45 HTTP transactions
0 data transactions