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.

~~Google Analytics~~
used until recently

Advertising Network

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

~~Google Ads~~
used until recently

Tag Manager

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

Google Tag Manager

Site Elements

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

External CSS

Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page.

Embedded CSS

Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.

Inline CSS

Gzip (GNU zip) is a file compression algorithm.

Gzip Compression

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

HTTP/2

Structured Data Formats

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.

Open Graph

Twitter/X Cards enable automatic attachment of photos, videos and media elements to tweets.

Twitter/X Cards

JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON.

JSON-LD

The Dublin Core Schema is a set of vocabulary terms that can be used to describe web resources and physical resources.

Dublin Core

Markup Language

HTML5 is the fifth revision of the HTML standard.

HTML5

Character Encoding

UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.