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

Google develops a range of web servers for their web infrastructure.

Google provides various services to run on its servers.

Google provides various services to run on its servers.

Google provides various services to run on its servers.

GlobalSign is an IT security service provider, also operating as SSL certificate authority.

Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google. This includes the Ads conversion tracking and the Floodlight services.

The Google Advertising network consists of AdSense, DoubleClick and other services.

The Google Tag Manager is a Google service to support webmasters to manage tags on their websites.

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

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.

HTTP/3 is the third major version of the HTTP network protocol, derived from the QUIC protocol.

The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://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.

YouTube brand