Site Info - Sidaba.nrw

JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages.

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

Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.

PlusServer is a German web hosting provider. This includes the brands Serverloft, Internet24, Synergetic, Loomes, Intergenia and Nexinto.

PlusServer is a German web hosting provider. This includes the brands Serverloft, Internet24, Synergetic, Loomes, Intergenia and Nexinto.

Hornetsecurity (formerly Antispameurope) is a German IT security services provider, also offering email security services.

DigiCert is an SSL certificate authority. This includes Verizon, whose Enterprise SSL Business has been acquired by DigiCert.

jsDelivr is a service for hosting JavaScript files.

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.

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 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/.

A strong ETag is an HTTP header field for validation of cached web pages, that indicates a byte-for-byte identical page in the cache.

HTTP/2 is the second major version of the HTTP network protocol.

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

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.

Scalable Vector Graphics (SVG) is an XML-based vector image format.

Region of North Rhine-Westphalia, Germany