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Site Info - Schachbezirk-duesseldorf.deOverview of web technologies used by Schachbezirk-duesseldorf.de. Website Background Aktuelles | Schachbezirk DüsseldorfSchachbezirk Düsseldorf Description on Homepage Top 10m among all websites Popularity rank Tiki Wiki CMS Groupware is an open source wiki-style content management system and groupware tool written in PHP. 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. Bootstrap is an open source HTML, CSS, and JavaScript framework. Vue.js is a JavaScript library for building interactive web interfaces, based on the Model View ViewModel pattern. Popper is an open source JavaScript library for tooltips and popovers.
The Apache HTTP Server is an open source web server by the Apache Software Foundation. IONOS (formerly 1&1 IONOS and 1&1 Internet) is a European web hosting company owned by United Internet. IONOS IONOS (formerly 1&1 IONOS and 1&1 Internet) is a European web hosting company owned by United Internet. IONOS (formerly 1&1 IONOS and 1&1 Internet) is a European internet services company owned by United Internet. Host Europe is a German internet services provider owned by GoDaddy Group. Sectigo (formerly Comodo CA) is a US-based SSL certificate authority. DigiCert is an SSL certificate authority. This includes Verizon, whose Enterprise SSL Business has been acquired by DigiCert.
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. Session cookies are temporary cookies, which are deleted when the user closes the browser. Persistent cookies with an expiration time between 1 month and 1 year. HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security. Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat. Non-secure cookies may be used via an unencrypted connections, which may be a security threat. Gzip (GNU zip) is a file compression algorithm. The Internet Protocol version 6 (IPv6) provides amongst others a vastly larger address space than the preceding version 4. We consider a website to support IPv6 if a 128-bit address is assigned to it, regardless of the content delivered at that address. HTTP/2 is the second major version of the HTTP network protocol. 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. Twitter/X Cards enable automatic attachment of photos, videos and media elements to tweets. 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. Germany
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