Overview of web technologies used by Mozilla.org.
Website Background
Mozilla - Internet for people, not profit (US)
We’re working to put control of the internet back in the hands of the people using it.
Description on Homepage
Top 1k among all websites
Popularity rank
Website Quality Alerts
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WordPress is an open source blog publishing and content management system, based on PHP and MySQL.
WordPress
used on a subdomain
Docutils is a Python-based open-source text processing system for generating documentation in HTML and other formats.
Docutils
used on a subdomain
Sphinx is a Python-based tool for creating project documentation, based on Docutils.
Sphinx
used on a subdomain
Server-side Programming Languages
PHP is a scripting language for creating websites.
PHP
used on a subdomain
Static websites don't use any server-side programming language for generating web pages, but deliver fixed content which is created manually or with an offline tool.
static files
used on a subdomain
Python is a general-purpose scripting language.
Python
used on a subdomain
Client-side Programming Language
JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages.
jQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig.
jQuery 3.7.0
51% of sites use a newer version
used on a subdomain
Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.
Nginx
used on a subdomain
Cloudflare Server is a web server developed by Cloudflare.
Cloudflare Server
used on a subdomain
Google develops a range of web servers for their web infrastructure.
Google Servers
used on a subdomain
Gunicorn 'Green Unicorn' is a Python HTTP server ported from Ruby's Unicorn project.
Gunicorn
used on a subdomain
Unix is a range of operating systems originally developed at Bell Labs. This includes Unix and Unix-like systems, such as Linux.
Unix
used on a subdomain
Linux is a Unix-like open source operating system originally developed by Linus Torvalds.
Linux
used on a subdomain
Google provides various services to run on its servers.
Amazon is a US-based e-commerce and cloud computing provider.
Amazon
used on a subdomain
WP Engine provides managed WordPress hosting.
WP Engine
used on a subdomain
hosting info partly based on data from ipinfo.io
Google provides various services to run on its servers.
Amazon is a US-based e-commerce and cloud computing provider.
Amazon
used on a subdomain
Fastly is a content delivery network.
Cloudflare provides a content delivery network.
Cloudflare
used on a subdomain
Amazon CloudFront is a content delivery web service by Amazon.
Amazon CloudFront
used on a subdomain
Akamai is a content delivery network.
Amazon is a US-based e-commerce and cloud computing provider.
Amazon
used on a subdomain
Gmail is the email service provided by Google.
Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group.
GlobalSign is an IT security service provider, also operating as SSL certificate authority.
GlobalSign
used on a subdomain
Starfield Technologies is an SSL certificate authority owned by Go Daddy.
Starfield
used on a subdomain
Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google. This includes the Ads conversion tracking and the Floodlight services.
Google Analytics
used until recently
The Google Tag Manager is a Google service to support webmasters to manage tags on their websites.
A Twitter/X Button allows a Twitter user to post a tweet from the visited site.
Twitter/X
used on a subdomain
External Cascading Style Sheets define style rules in a separate CSS file.
Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page.
Embedded CSS
used on a subdomain
Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.
Inline CSS
used on a subdomain
Persistent cookies with an expiration time of up to 1 day.
Cookies expiring in hours
used on a subdomain
Persistent cookies with an expiration time between 1 day and 1 month.
Cookies expiring in days
used on a subdomain
HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security.
HttpOnly Cookies
used on a subdomain
Secure cookies are used only via an encrypted connections, which may increase security.
Secure Cookies
used on a subdomain
Brotli is a lossless compression algorithm developed by Google.
Gzip (GNU zip) is a file compression algorithm.
Gzip Compression
used on a subdomain
A strong ETag is an HTTP header field for validation of cached web pages, that indicates a byte-for-byte identical page in the cache.
A weak ETag is an HTTP header field for validation of cached web pages, that indicates a semantically equivalent page in the cache.
Weak ETag
used on a subdomain
The Internet Protocol version 6 (IPv6) provides amongst others a vastly larger address space than the preceding version 4. We consider a website to support IPv6 if a 128-bit address is assigned to it, regardless of the content delivered at that address.
HTTP/2 is the second major version of the HTTP network protocol.
HTTP/2
used on a subdomain
HTTP/3 is the third major version of the HTTP network protocol, derived from the QUIC protocol.
HTTP/3
used on a subdomain
HTTP Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections.
HTTP Strict Transport Security
The websites redirects visitors to its www subdomain, e.g. from example.com to www.example.com.
The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.
The Open Graph protocol, originally developed by Facebook, is an RDFa-based format that enables any web page to become a rich object in a social graph.
Twitter/X Cards enable automatic attachment of photos, videos and media elements to tweets.
Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.
JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON.
JSON-LD
used on a subdomain
Microdata is a specification to integrate metadata within existing content on web pages.
Microdata
used on a subdomain
HTML5 is the fifth revision of the HTML standard.
UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.
PNG (Portable Network Graphics) is a lossless compression image format, suitable to store graphics with uniformly colored areas, and originally introduced as a free, open-source successor of GIF.
JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.
Scalable Vector Graphics (SVG) is an XML-based vector image format.
GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.
GIF
used on a subdomain
WebP is an image format that provides lossless and lossy compression, developed by Google.
WebP
used until recently
Organizations
United States
Germany
used on a subdomain
Sweden
used on a subdomain
Austria
used on a subdomain
RetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4