developer.mozilla.org Open in urlscan Pro
2600:9000:20e8:600:2:eb5:8c00:93a1  Public Scan

Submitted URL: https://developer.mozilla.org/docs/Web/CSS/aspect-ratio
Effective URL: https://developer.mozilla.org/en-US/docs/Web/CSS/aspect-ratio
Submission: On April 13 via api from US

Summary

This website contacted 4 IPs in 3 countries across 4 domains to perform 34 HTTP transactions. The main IP is 2600:9000:20e8:600:2: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 31 2600:9000:20e... 16509 (AMAZON-02)
1 151.101.14.217 54113 (FASTLY)
2 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
34 4
Domain Requested by
31 developer.mozilla.org 1 redirects 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 cdn.speedcurve.com developer.mozilla.org
34 4
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
2021-03-16 -
2021-06-08
3 months crt.sh
*.g.doubleclick.net
GTS CA 1O1
2021-03-16 -
2021-06-08
3 months crt.sh

This page contains 1 frames:

Primary Page: https://developer.mozilla.org/en-US/docs/Web/CSS/aspect-ratio
Frame ID: A44213E5E1B0F4188A61FED81DB4829A
Requests: 34 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. https://developer.mozilla.org/docs/Web/CSS/aspect-ratio HTTP 302
    https://developer.mozilla.org/en-US/docs/Web/CSS/aspect-ratio Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers via /\(CloudFront\)$/i
  • headers server /^AmazonS3$/i

Overall confidence: 100%
Detected patterns
  • headers via /\(CloudFront\)$/i

Overall confidence: 100%
Detected patterns
  • headers server /^AmazonS3$/i

Overall confidence: 100%
Detected patterns
  • script /google-analytics\.com\/(?:ga|urchin|analytics)\.js/i

Overall confidence: 100%
Detected patterns
  • script /\/polyfill\.min\.js/i

Page Statistics

34
Requests

100 %
HTTPS

75 %
IPv6

4
Domains

4
Subdomains

4
IPs

3
Countries

227 kB
Transfer

703 kB
Size

4
Cookies

Page URL History

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

  1. https://developer.mozilla.org/docs/Web/CSS/aspect-ratio HTTP 302
    https://developer.mozilla.org/en-US/docs/Web/CSS/aspect-ratio Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

34 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request aspect-ratio
developer.mozilla.org/en-US/docs/Web/CSS/
Redirect Chain
  • https://developer.mozilla.org/docs/Web/CSS/aspect-ratio
  • https://developer.mozilla.org/en-US/docs/Web/CSS/aspect-ratio
260 KB
25 KB
Document
General
Full URL
https://developer.mozilla.org/en-US/docs/Web/CSS/aspect-ratio
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:20e8:600:2:eb5:8c00:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
4cac74f77e2dd28c6e2550f621ab97e17322cbb59e78cf5ed9ad37b46d2743a0
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/aspect-ratio
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
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accept
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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
last-modified
Fri, 09 Apr 2021 01:56:16 GMT
server
AmazonS3
x-frame-options
DENY
x-xss-protection
1; mode=block
x-content-type-options
nosniff
strict-transport-security
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content-encoding
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date
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cache-control
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etag
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vary
Accept-Encoding
x-cache
Hit from cloudfront
via
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x-amz-cf-pop
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x-amz-cf-id
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age
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Redirect headers

content-length
0
server
CloudFront
date
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location
/en-US/docs/Web/CSS/aspect-ratio
cache-control
no-store
x-cache
Miss from cloudfront
via
1.1 9e9671d1669bd7a6c194fae423e5778d.cloudfront.net (CloudFront)
x-amz-cf-pop
TXL52-C1
x-amz-cf-id
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33 KB
34 KB
Font
General
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/aspect-ratio
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:20e8:600:2:eb5:8c00:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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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/aspect-ratio
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 9e9671d1669bd7a6c194fae423e5778d.cloudfront.net (CloudFront)
x-content-type-options
nosniff
age
169349
x-cache
Hit from cloudfront
content-length
34064
x-xss-protection
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last-modified
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server
AmazonS3
x-frame-options
DENY
etag
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strict-transport-security
max-age=63072000
content-type
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cache-control
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x-amz-cf-pop
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x-amz-cf-id
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49 KB
10 KB
Stylesheet
General
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/aspect-ratio
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:20e8:600:2:eb5:8c00:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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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/aspect-ratio
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
1096864
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
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via
1.1 9e9671d1669bd7a6c194fae423e5778d.cloudfront.net (CloudFront)
cache-control
max-age=31536000, public
x-amz-cf-pop
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x-amz-cf-id
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lux.js
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21 KB
7 KB
Script
General
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/aspect-ratio
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
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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
Tue, 13 Apr 2021 18:27:48 GMT
via
1.1 vegur, 1.1 varnish
age
648
x-cache
HIT
x-cache-hits
7
content-encoding
gzip
content-length
6821
x-served-by
cache-fra19137-FRA
last-modified
Tue, 13 Apr 2021 18:17:00 GMT
server
Apache
x-timer
S1618338468.288730,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
Tue, 20 Apr 2021 18:17:00 GMT
ga.js
developer.mozilla.org/static/js/
2 KB
1 KB
Script
General
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/aspect-ratio
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:20e8:600:2:eb5:8c00:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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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/aspect-ratio
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
Mon, 12 Apr 2021 22:32:43 GMT
content-encoding
br
x-content-type-options
nosniff
age
71706
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
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content-type
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via
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cache-control
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developer.mozilla.org/static/js/
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Script
General
Full URL
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Requested by
Host: developer.mozilla.org
URL: https://developer.mozilla.org/en-US/docs/Web/CSS/aspect-ratio
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:20e8:600:2:eb5:8c00:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Security Headers
Name Value
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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/aspect-ratio
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
Fri, 09 Apr 2021 02:10:02 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
404266
x-cache
Hit from cloudfront
vary
Accept-Encoding
x-xss-protection
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last-modified
Fri, 09 Apr 2021 01:54:06 GMT
server
AmazonS3
x-frame-options
DENY
etag
W/"9514f1f642051c3433f3ea5d721b5636"
strict-transport-security
max-age=63072000
content-type
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via
1.1 9e9671d1669bd7a6c194fae423e5778d.cloudfront.net (CloudFront)
cache-control
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Script
General
Full URL
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Requested by
Host: developer.mozilla.org
URL: https://developer.mozilla.org/en-US/docs/Web/CSS/aspect-ratio
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:20e8:600:2:eb5:8c00:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
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User-Agent
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Response headers

date
Fri, 09 Apr 2021 02:10:04 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
404265
x-cache
Hit from cloudfront
vary
Accept-Encoding
x-xss-protection
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Fri, 09 Apr 2021 01:54:06 GMT
server
AmazonS3
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via
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cache-control
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Script
General
Full URL
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Requested by
Host: developer.mozilla.org
URL: https://developer.mozilla.org/en-US/docs/Web/CSS/aspect-ratio
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:20e8:600:2:eb5:8c00:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
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User-Agent
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Response headers

date
Fri, 09 Apr 2021 02:31:57 GMT
content-encoding
br
x-content-type-options
nosniff
age
402952
x-cache
Hit from cloudfront
vary
Accept-Encoding
x-xss-protection
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last-modified
Fri, 09 Apr 2021 01:54:06 GMT
server
AmazonS3
x-frame-options
DENY
etag
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strict-transport-security
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content-type
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via
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cache-control
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General
Full URL
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Requested by
Host: developer.mozilla.org
URL: https://developer.mozilla.org/static/css/main.e7962908.chunk.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:20e8:600:2:eb5:8c00:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
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Resource Hash
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Security Headers
Name Value
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Request headers

Referer
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User-Agent
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Response headers

date
Sat, 10 Apr 2021 12:30:57 GMT
via
1.1 9e9671d1669bd7a6c194fae423e5778d.cloudfront.net (CloudFront)
x-content-type-options
nosniff
age
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x-cache
Hit from cloudfront
content-length
253
x-xss-protection
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last-modified
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server
AmazonS3
x-frame-options
DENY
etag
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strict-transport-security
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Image
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Full URL
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Requested by
Host: developer.mozilla.org
URL: https://developer.mozilla.org/static/css/main.e7962908.chunk.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:20e8:600:2:eb5:8c00:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

Referer
https://developer.mozilla.org/static/css/main.e7962908.chunk.css
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, 07 Feb 2021 15:25:46 GMT
via
1.1 9e9671d1669bd7a6c194fae423e5778d.cloudfront.net (CloudFront)
last-modified
Fri, 27 Nov 2020 00:36:33 GMT
server
AmazonS3
age
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etag
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x-cache
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content-type
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cache-control
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x-amz-cf-pop
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server
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Verdicts & Comments Add Verdict or Comment

25 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| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker object| trustedTypes boolean| crossOriginIsolated object| LongTaskObserver object| LUX object| LUX_ae object| LUX_al object| __data__ object| Mozilla object| gaScript function| ga object| webpackJsonpclient object| regeneratorRuntime number| LUX_t_start number| LUX_t_end object| google_tag_data object| gaplugins object| gaGlobal object| gaData

4 Cookies

Domain/Path Name / Value
.mozilla.org/ Name: _gat
Value: 1
.mozilla.org/ Name: _gid
Value: GA1.2.1609899905.1618338469
.mozilla.org/ Name: _ga
Value: GA1.2.1904162728.1618338469
developer.mozilla.org/ Name: lux_uid
Value: 161833846851545353

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
stats.g.doubleclick.net
www.google-analytics.com
151.101.14.217
2600:9000:20e8:600:2:eb5:8c00:93a1
2a00:1450:4001:82b::200e
2a00:1450:400c:c0a::9b
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30190aaf275d6f6ba42fc85f570f069ee586b5a6f898b0c4c4c886704b61378a
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