Web Technologies Used by fler.cz

Google Tag Manager is a free tool from Google that enables users to easily add, update, and manage website tags. Tags are snippets of code that allow websites to track activity, such as page visits and clicks, in order to better understand user behavior. Google Tag Manager makes it easy to quickly and easily add, update, and manage website tags without having to manually update code. It also helps to ensure that tags are firing correctly and accurately tracking user activity.

PHP: Hypertext Preprocessor is a general-purpose programming language originally designed for web development. PHP code may be executed with a command line interface (CLI), embedded into HTML code, or used in combination with various web template systems, web content management systems, and web frameworks.

Modernizr is a JavaScript library which is designed to detect HTML5 and CSS3 features in various browsers, which lets JavaScript avoid using unimplemented features or use a workaround such as a shim to emulate them. Modernizr aims to provide this feature detection in a complete and standardized manner.

Underscore.js is a JavaScript library which provides utility functions for common programming tasks. It is comparable to features provided by Prototype.js and the Ruby language, but opts for a functional programming design instead of extending object prototypes.

jQuery is a JavaScript library designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax. It is free, open-source software using the permissive MIT License.

LazySizes is a JavaScript library used to delay the loading of images (iframes, scripts, etc) until they come into view.

RequireJS is a JavaScript file and module loader.

Google's Font API provides website developers a means by which they may quickly add custom fonts to their website.

Drupal is a free and open-source content management framework written in PHP and distributed under the GNU General Public License.