Link Check results for developer.mozilla.org

No Security Risks Detected

This domain appears to be safe and secure

100%

Score

Disclaimer: This assessment is based on automated analysis of publicly available information. Results are for informational purposes only. For critical applications, consult security professionals.

Scan Information

Last checked:July 16, 2025 23:53:55

Target URL:https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions

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Page Information

Target URL

https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions

Page Title

Browser extensions - Mozilla | MDN

Site Favicon

Status

Active

Host Information

Domain

developer.mozilla.org

Server

Google Frontend

Country

United States

IP Address

34.111.97.67

ASN Information

396982

GOOGLE-CLOUD-PLATFORM

Technologies

Nginx

Web servers

Google Cloud

IaaS

OpenResty

Web servers

HSTS

Security

Google Cloud Trace

Performance

Google Cloud CDN

CDN

+3 more technologies detected

SSL Certificate

HTTPS Enabled

Secure

Certificate Issuer

49m377 Gateway Proxy BISO MITM CA

Valid From

2025-07-13 06:04:01

Valid Until

2025-08-12 06:04:31

Subject Name

developer.mozilla.org

Performance Statistics

Total Requests

Domains

IP Addresses

1.07 MB

Transfer Size

Content Size2.76 MB

HTTP Headers

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public, max-age=3600

cf-team

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content-type

text/html

date

Wed, 16 Jul 2025 23:54:07 GMT

etag

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expires

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last-modified

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server

Google Frontend

server-timing

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strict-transport-security

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vary

Accept-Encoding

via

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x-cache

miss

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30 headers detected

Technology Stack Analysis

Nginx

Web serversReverse proxies

Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

Google Cloud

IaaS

Google Cloud is a suite of cloud computing services.

OpenResty

Web servers

OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.

HSTS

Security

HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.

Google Cloud Trace

Performance

Google Cloud Trace is a distributed tracing system that collects latency data from applications and displays it in the Google Cloud Console.

Google Cloud CDN

CDN

Cloud CDN uses Google's global edge network to serve content closer to users.

Google Analytics

Analytics

Google Analytics is a free web analytics service that tracks and reports website traffic.

HTTP/3

Miscellaneous

HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.

Google Cloud Storage

No Security Risks Detected

Scan Information

Page Information

Host Information

Technologies

SSL Certificate

Performance Statistics

HTTP Headers

Technology Stack Analysis

Nginx

Google Cloud

OpenResty

HSTS

Google Cloud Trace

Google Cloud CDN

Google Analytics

HTTP/3

Google Cloud Storage

Website Cookies 4

_gid

_ga

_gat_gtag_UA_36116321_5

_ga_PWTK27XVWP

External Links 37

Untitled Link

Develop

Publishing and distribution overview

extension lifecycle best practices

Enterprise

Add-ons blog

Add-ons forum

Add-ons chat

extension API

just a few changes

Extension Workshop

community forum

Add-ons Room

Matrix

extension development and publication workflow, Firefox style

temporarily installing extensions during development

debugging

request the right permissions

web-ext

differences between desktop and Android

promoting your extension

Learn how to contribute

View this page on GitHub

MDN on Mastodon

MDN on X (formerly Twitter)

MDN on GitHub

Careers

Product help

MDN Forum

Hacks Blog

Untitled Link

Website Privacy Notice

Cookies

Legal

Community Participation Guidelines

Mozilla Corporation’s

Mozilla Foundation

Requested Domains 4

developer.mozilla.org

region1.google-analytics.com

www.google-analytics.com

www.googletagmanager.com