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Drupal is an open source content management system written in PHP, originally developed by Dries Buytaert.

MediaWiki is an open source wiki-style content management system written in PHP, originally developed for Wikipedia by Lee Daniel Crocker.

Plone is an open source content management system written in Python on top of the Zope application server.

DokuWiki is an open source wiki-style content management system written in PHP and using plain text files for storage, originally developed by Andreas Gohr.

Movable Type is a blogging and content management system developed by Six Apart.

PHP Link Directory (phpLD) is a link directory script written in PHP.

PHPFox is a PHP-based system for building social network sites.

Dotclear is an open source web publishing software based on PHP, originally developed by Olivier Meunier.

PHP is a scripting language for creating websites.

Python is a general-purpose scripting language.

Perl is a general-purpose, interpreted language, nowadays also used to create web pages.

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.

GSAP (GreenSock Animation Platform) is a JavaScript library for HTML5 animations.

The LiteSpeed Web Server is a lightweight web server by LiteSpeed Technologies.

Zope is an open source application server for building websites, based on Python.

Unix is a range of operating systems originally developed at Bell Labs. This includes Unix and Unix-like systems, such as Linux.

Namecheap is a US-based domain registrar and web hosting company.

Namecheap is a US-based domain registrar and web hosting company.

Namecheap is a US-based domain registrar and web hosting company.

Namecheap is a US-based internet services provider.

Sectigo (formerly Comodo CA) is a US-based SSL certificate authority.

jsDelivr is a service for hosting JavaScript files.

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.

Yandex.Metrica is a free web analytics system combining customizable reporting tools with behavioral analytics.

Open Web Analytics (OWA) is an open source web analytics framework written in PHP.

The Google Advertising network consists of AdSense, DoubleClick and other services.

The Google Tag Manager is a Google service to support webmasters to manage tags on their websites.

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.

Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.

Brotli is a lossless compression algorithm developed by Google.

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.

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 Cards enable automatic attachment of photos, videos and media elements to Tweets.

Microdata is a specification to integrate metadata within existing content on web pages.

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.

GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.

WebP is an image format that provides lossless and lossy compression, developed by Google.

Scalable Vector Graphics (SVG) is an XML-based vector image format.

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