Website en.wikipedia.org

Website using the £ symbol on their website - meaning it may accept payment in this British currency.

websites using the $ symbol on their website - meaning it may accept payment in this currency used in Israel.

Varnish is an HTTP accelerator designed for content-heavy dynamic web sites. In contrast to other web accelerators, such as Squid, which began life as a client-side cache, or Apache and nginx, which are primarily origin servers, Varnish was designed as an HTTP accelerator. Varnish is focused exclusively on HTTP, unlike other pro...

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

Really Simple Discovery is a way to help client software find the services needed to read, edit, or "work with" weblogging software.

The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook

Open graph image entity tag

Sites using Html 5 Video Tag

Sites using Html 5 Audio Tag

Sites using Html 5 SVG Tag

Chrome for Android, since version 39 supports the "theme-color" meta tag to allow websites control the background color of the tab's UI header.

Indicates that the site provides an interface specifically for searching the document and its related resources.

A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".

Wesites using favicon rel tag

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.