Web Technologies Used by pearltrees.com

The Apache HTTP Server is free and open-source cross-platform web server software, released under the terms of Apache License 2.0. Apache is developed and maintained by an open community of developers under the auspices of the Apache Software Foundation.

Google Web Toolkit, or GWT Web Toolkit, is an open-source set of tools that allows web developers to create and maintain complex JavaScript front-end applications in Java.

Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS- and JavaScript-based design templates for typography, forms, buttons, navigation and other interface components.

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.

Java is a general-purpose programming language that is class-based, object-oriented, and designed to have as few implementation dependencies as possible.

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.

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.

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.

reCAPTCHA is a CAPTCHA-like system designed to establish that a computer user is human and, at the same time, assist in the digitization of books or improve machine learning.

Google Analytics is a web analytics service offered by Google that tracks and reports website traffic. It provides valuable insights into website traffic, user behavior, and marketing performance. With Google Analytics, you can gain insights into your website’s audience, their location, the pages they visit, the content they view, and more. Google Analytics also offers powerful segmentation capabilities and advanced reporting features, allowing you to create custom reports and better understand your website’s performance.

Matomo Analytics is a free and open-source web analytics applicatio, that runs on a PHP/MySQL web-server.