Apache has been the most popular web server on the Internet since April 1996.
Google Analytics offers a host of compelling features and benefits for everyone from senior executives and advertising and marketing professionals to site owners and content developers.
The DOCTYPE is a required preamble for HTML5 websites.
The website uses conditional comments that are supported by Microsoft Internet Explorer. They allow web developers to show or hide HTML code based on the version of the viewer's browser.
Allows a website to define how a page is rendered in Internet Explorer 8, allowing a website to decide to use IE7 style rendering over IE8 rendering.
Frames Google Chrome window into Internet Explorer for HTML 5 compatibility.
The description attribute provides a concise explanation of the page content.
Meta tag containing keywords related to the page.
A verified website linked to a Pinterest user profile.
This page contains a meta robots tag which tells search engines and robots to index or not index the page.
Several search engines use this meta tag to find out when they should revisit a certain page.
The RTA label is free to use, voluntary, and universally available to any website that wishes to clearly and effectively label itself as being inappropriate for viewing by minors.
This page contains an icon for iPhone, iPad and iTouch devices.
Public specification of a preferred URL for a page allows search engines to understand the original location for content.
Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML
The page shows content with an iframe; an embedded frame that loads another webpage.
This page contains tags that are specific to an HTML 5 implementation.
This site maintains a record of adult material.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
Last updated 12th December.
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