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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.

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the visitors browser.

The Apache HTTP Server is an open source web server by the Apache Software Foundation.

Ubuntu is a Linux distribution.

IBM is a multinational IT company headquartered in USA. This includes the former SoftLayer brand.

IBM is a multinational IT company headquartered in USA. This includes the former SoftLayer brand.

NameSilo is a domain name registrar.

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

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.

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

The jQuery CDN hosts copies of the jQuery library, provided by MaxCDN.

Google Hosted Libraries (formerly called Google Libraries API) is a content distribution network for the most popular, open-source JavaScript libraries, provided by Google.

Matomo (formerly Piwik) is an open source web analytics program.

BuySellAds is an advertising network.

Carbon Ads is an invite-only advertising 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.

The frameset element is an HTML tag which specifies the layout of a web page in terms of rectangular subspaces.

Gzip (GNU zip) is a file compression algorithm.

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/.

HTML5 is the fifth revision of the HTML standard.

XHTML is a reformulation of HTML in XML.

Transitional version of HTML.

Transitional version of XHTML.

UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.

ISO-8859-1 (informally also called Latin-1) is an 8-bit character set for Western European languages.

Organizations