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JavaScript is a lightweight, object-oriented, cross-platform scripting language. This includes TypeScript.

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

Next.js is an open source JavaScript framework based on React and Node.js.

Svelte is an open-source web front end framework created by Rich Harris.

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

Node.js is a server-side JavaScript environment for writing network programs such as web servers, originally developed by Ryan Dahl.

Amazon is a US-based e-commerce and cloud computing provider.

Amazon is a US-based e-commerce and cloud computing provider.

Fastly is a content delivery network.

Amazon is a US-based e-commerce and cloud computing provider.

Gmail is the email service provided by Google.

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.

Full Circle Studies collects information about general website visitation patterns as part of the ComScore market research.

Nielsen provides web site visitor tracking services. This includes the former brand NetRatings.

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

Amazon Associates is the affiliate program of Amazon.

Awin (formerly Zanox and Affiliate Window) is an affiliate marketing network. This includes the former brands Affilinet and ShareASale.

CJ Affiliate (formerly Commission Junction) is an online advertising and affiliate marketing service by Conversant.

Rakuten Advertising (formerly Rakuten Affiliate Network and LinkShare) is an advertising network.

Skimlinks is an advertising service, that inserts affiliate links into webpages.

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

Facebook Social Plugins provide a way for Facebook users to share web pages with their friends.

The Pinterest Pin-It button allows website visitors to pin images onto Pinterest.

A Bluesky share button allows a Bluesky user to post content from the visited site.

A Twitter/X Button allows a Twitter user to post a tweet from the visited site.

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.

Persistent cookies with an expiration time of up to 1 day.

Persistent cookies with an expiration time between 1 day and 1 month.

Persistent cookies with an expiration time between 1 month and 1 year.

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.

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 Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections.

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

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

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

Session cookies are temporary cookies, which are deleted when the user closes the browser.

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.

Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.

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

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.

JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.

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

GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.

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