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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.

Cyber_Folks is a Polish web hosting provider. This includes its brands BiznesHost, SuperHost, Hekko, NetDC, Ogicom, Active 24, Domeny and Kei.pl.

Cyber_Folks is a Polish web hosting provider. This includes its brands BiznesHost, SuperHost, Hekko, NetDC, Ogicom, Active 24, Domeny and Kei.pl.

Cyber_Folks is a Polish provider of internet services. This includes its brands BiznesHost, SuperHost, Hekko, NetDC, Ogicom, Active 24, Domeny and Kei.pl.

Cyber_Folks is a Polish provider of internet services. This includes its brands BiznesHost, SuperHost, Hekko, NetDC, Ogicom, Active 24, Domeny and Kei.pl.

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.

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

Gzip (GNU zip) is a file compression algorithm.

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.

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.

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

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