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

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

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.

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

Debian is a Linux distribution.

WIIT is an Italian cloud services provider.

myLoc is a German web hosting provider owned by WIIT.

WIIT is an Italian cloud services provider.

myLoc is a German web hosting provider owned by WIIT.

DNSimple is a domain name services and DNS hosting provider.

Microsoft is a multinational technology company headquartered in USA, also offering email services.

Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group.

Certum (formerly Unizeto) is a Polish SSL certificate authority owned by Asseco.

IdenTrust is a SSL certificate authority.

GlobalSign is an IT security service provider, also operating as SSL certificate authority.

Piwik Pro is a hosted web analytics platform.

Facebook Social Plugins provide a way for Facebook users to share web pages with their friends.

A Twitter Button allows a Twitter user to post a tweet from the visited site.

The WhatsApp share button allows users to share content with their WhatsApp contacts.

LinkedIn Share Buttons enable visitors to to share website content with their LinkedIn network.

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.

Session cookies are temporary cookies, which are deleted when the user closes the browser.

HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security.

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

Brotli is a lossless compression algorithm developed by Google.

Gzip (GNU zip) is a file compression algorithm.

A weak ETag is an HTTP header field for validation of cached web pages, that indicates a semantically equivalent page in the cache.

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

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 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.

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.

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