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WordPress is an open source blog publishing and content management system, based on PHP and MySQL.

WooCommerce is an open source e-commerce platform based on WordPress.

PHP is a scripting language for creating websites.

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.

Underscore is a JavaScript library that provides functional programming support.

Backbone is a JavaScript library providing a framework for defining models in applications.

Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.

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

Cloudflare Server is a web server developed by Cloudflare.

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

HostArmada is a US-based web hosting provider.

LeaseWeb is a web hosting provider with data centers in Europe, USA and Asia, headquartered in the Netherlands. This includes the former iWeb brand.

Cloudflare provides a content delivery network.

Akamai provides a content delivery network. This includes the former brands Instart Logic and StackPath.

Cloudflare provides DNS servers and other web services.

GoDaddy is a provider of internet services. This includes the former brand Media Temple.

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.

The CDNJS is a content distribution network, hosting a large number of JavaScript libraries, provided by CloudFlare.

unpkg is a JavaScript content delivery network for libraries that use the npm package manager.

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.

Microsoft Clarity is a website visitor tracking tool.

Ahrefs Web Analytics is a free web analytics service.

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.

HTTP/3 is the third major version of the HTTP network protocol, derived from the QUIC protocol.

QUIC (Quick UDP Internet Connections) is an experimental network protocol, originally designed by Google and submitted to IETF standardization.

The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.

Zstandard is a lossless data compression algorithm developed by Yann Collet at Facebook.

Persistent cookies with an expiration time of up to 1 day.

Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat.

Secure cookies are used only via an encrypted connections, which may increase security.

Gzip (GNU zip) is a file compression algorithm.

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 Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections.

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.

JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON.

Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.

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.

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

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

JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.

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