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Contao (formerly called TYPOlight) is an open source content management system based on PHP and MySQL.

Microsoft's Active Server Pages technology on the .NET framework.

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.

Kestrel is a cross-platform open-source web server used to host ASP.NET applications, developed by Microsoft.

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

The Forpsi group, owned by Aruba, provides web services in Central Europe. This includes the brands INTERNET CZ, INTERNET SK, AlphaNet Spółka and BlazeArts.

The Forpsi group, owned by Aruba, provides web services in Central Europe. This includes the brands INTERNET CZ, INTERNET SK, AlphaNet Spółka and BlazeArts.

The Forpsi group, owned by Aruba, provides internet services in Central Europe.

The Forpsi group, owned by Aruba, provides internet services in Central Europe.

Actalis is an Italian SSL certificate authority.

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

IdenTrust is a SSL certificate authority.

External Cascading Style Sheets define style rules in a separate CSS file.

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

Gzip (GNU zip) is a file compression algorithm.

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

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

The websites redirects visitors to its www subdomain, e.g. from example.com to www.example.com.

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

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

HTML5 is the fifth revision of the HTML standard.

Transitional version of HTML.

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.

Czech Republic