Analytics and Tracking

AT InternetAT Internet

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Real time top of the range web analytics for websites, mobile websites and intranets.

Google Tag ManagerGoogle Tag Manager

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Tag management that lets you add and update website tags without changes to underlying website code.

Tag Management

Advertising

AppNexusAppNexus

AppNexus Usage Statistics · Download List of All Websites using AppNexus

Provides access to the major exchanges and aggregators, as well as cloud infrastructure scalable to billions of ad impressions a day with a layer of real-time decisioning on top.

Ad Exchange · Demand-side Platform

Google Publisher TagGoogle Publisher Tag

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Google Publisher Tag (GPT) is an ad tagging format that provides benefits and improvements over the DART tag.

Document Encoding

UTF-8UTF-8

UTF-8 Usage Statistics · Download List of All Websites using UTF-8

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

Document Standards

DNS PrefetchDNS Prefetch

DNS Prefetch Usage Statistics · Download List of All Websites using DNS Prefetch

Page contains links to disable or enable DNS prefetching of links in the page.

Browser Specific

Open Graph ProtocolOpen Graph Protocol

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

Meta DescriptionMeta Description

Meta Description Usage Statistics · Download List of All Websites using Meta Description

The description attribute provides a concise explanation of the page content.

Meta Tags

Canonical Content TagCanonical Content Tag

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Public specification of a preferred URL for a page allows search engines to understand the original location for content.

Meta Tags

Twitter CardsTwitter Cards

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Twitter cards make it possible for you to attach media experiences to Tweets that link to your content.

Meta RobotMeta Robot

Meta Robot Usage Statistics · Download List of All Websites using Meta Robot

This page contains a meta robots tag which tells search engines and robots to index or not index the page.

Meta Tags

Web App ManifestWeb App Manifest

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Defines the attributes of a web app in a simple JSON file. It describes how the web app should appear on the users system and how it should launch.

App LinksApp Links

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Apps that link to your content can then use this metadata to deep-link into your app, take users to an app store to download the app, or take them directly to the web to view the content.

Cascading Style SheetsCascading Style Sheets

Cascading Style Sheets Usage Statistics · Download List of All Websites using Cascading Style Sheets

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

CSS

Conditional CommentsConditional Comments

Conditional Comments Usage Statistics · Download List of All Websites using Conditional Comments

[url] 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.

Compatibility

JavascriptJavascript

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JavaScript is a scripting language most often used for client-side web development.

WAI-ARIAWAI-ARIA

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A way to make Web content and Web applications more accessible to people with disabilities. It especially helps with dynamic content and advanced user interface controls developed with Ajax, HTML, JavaScript, and related technologies.

HTML 5 Video Audio TagsHTML 5 Video Audio Tags

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This page contains HTML5 style media tags. HTML5 is the proposed next standard for HTML 4.01, XHTML 1.0 and DOM Level 2 HTML.

srcsetsrcset

srcset Usage Statistics · Download List of All Websites using srcset

Adapting images for high-resolution and low-resolution displays.

Picture ElementPicture Element

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The picture element provides images for different devices and is part of the HTML 5.1 specification.

Javascript DeferJavascript Defer

Javascript Defer Usage Statistics · Download List of All Websites using Javascript Defer

The defer attribute gives a hint to the browser that the script does not create any content so the browser can optionally defer interpreting the script. This can improve performance by delaying execution of scripts until after the body content is parsed and rendered.

IFrameIFrame

IFrame Usage Statistics · Download List of All Websites using IFrame

The page shows content with an iframe; an embedded frame that loads another webpage.

Content Delivery Network

Content Delivery NetworkContent Delivery Network

Content Delivery Network Usage Statistics · Download List of All Websites using Content Delivery Network

This page contains links that give the impression that some of the site contents are stored on a content delivery network.