Analytics and Tracking

Facebook PixelFacebook Pixel

Facebook Pixel Usage Statistics · Download List of All Websites using Facebook Pixel

Facebook Pixel is Facebooks conversion tracking system for ads on Facebook to websites.

Google Tag ManagerGoogle Tag Manager

Google Tag Manager Usage Statistics · Download List of All Websites using Google Tag Manager

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

Tag Management

Sitelinks Search BoxSitelinks Search Box

Sitelinks Search Box Usage Statistics · Download List of All Websites using Sitelinks Search Box

With Google sitelinks search box, people can reach your content more quickly from search results.

Site Search

Frameworks

PHPPHP

PHP Usage Statistics · Download List of All Websites using PHP

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

Programming Language

Viewport MetaViewport Meta

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

This page uses the viewport meta tag which means the content may be optimized for mobile content.

Mobile Non Scaleable ContentMobile Non Scaleable Content

Mobile Non Scaleable Content Usage Statistics · Download List of All Websites using Mobile Non Scaleable Content

This content is formatted for mobile devices, it does not allow the content to be scaled.

Apple Mobile Web App CapableApple Mobile Web App Capable

Apple Mobile Web App Capable Usage Statistics · Download List of All Websites using Apple Mobile Web App Capable

Launches a web application for Safari on iOS in full-screen mode to look like a native application.

JavaScript Libraries and Functions

RespondRespond

Respond Usage Statistics · Download List of All Websites using Respond

A fast & lightweight polyfill for min/max-width CSS3 Media Queries (for IE 6-8, and more)

Compatibility

Web Servers

ApacheApache

Apache Usage Statistics · Download List of All Websites using Apache

Apache has been the most popular web server on the Internet since April 1996.

Syndication Techniques

RSSRSS

RSS Usage Statistics · Download List of All Websites using RSS

A family of web feed formats used to publish frequently updated content such as blog entries, news headlines or podcasts.

AtomAtom

Atom Usage Statistics · Download List of All Websites using Atom

Atom Syndication Format is an XML language used for web feeds very similar to RSS.

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

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

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

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

OpenSearchOpenSearch

OpenSearch Usage Statistics · Download List of All Websites using OpenSearch

The OpenSearch description document format can be used to describe a search engine so that it can be used by search client applications.

Canonical Content TagCanonical Content Tag

Canonical Content Tag Usage Statistics · Download List of All Websites using Canonical Content Tag

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

Meta Tags

Handheld FriendlyHandheld Friendly

Handheld Friendly Usage Statistics · Download List of All Websites using Handheld Friendly

Tells mobile browsers that the content is already framed for mobile browsing.

JSON-LDJSON-LD

JSON-LD Usage Statistics · Download List of All Websites using JSON-LD

JSON-LD, or JavaScript Object Notation for Linked Data, is a method of transporting Linked Data using JSON.

JavascriptJavascript

Javascript Usage Statistics · Download List of All Websites using Javascript

JavaScript is a scripting language most often used for client-side web development. Its proper name is ECMAScript, though "JavaScript" is much more commonly used. [url] uses JavaScript.

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.

MicrodataMicrodata

Microdata Usage Statistics · Download List of All Websites using Microdata

Tags that webmasters can use to markup their pages in ways recognized by major search providers.

WAI-ARIAWAI-ARIA

WAI-ARIA Usage Statistics · Download List of All Websites using WAI-ARIA

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.

P3P PolicyP3P Policy

P3P Policy Usage Statistics · Download List of All Websites using P3P Policy

The Platform for Privacy Preferences Project (P3P) enables Websites to express their privacy practices in a standard format that can be retrieved automatically and interpreted easily by user agents. P3P user agents will allow users to be informed of site practices (in both machine- and human-readable formats) and to automate decision-making based on these practices when appropriate. Thus users need not read the privacy policies at every site they visit.