See what your Facebook friends have liked, shared, or commented on across the Web. This includes all variations of Like, Share and Follow Buttons, Embedded Posts, Comments, Activity Feed, Recommendations Feed, Recommendations Bar, Like Box and Facepile.

JavaScript

jQuery

Websites Using jQuery

jQuery: The Write Less, Do More, JavaScript Library.

Mobile

Apple Mobile Tags

Websites Using Apple Mobile Tags

iOS Safari instructions for mobile web apps

Meta Viewport

Websites Using Meta Viewport

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

Meta Mobile Web App Capable

Websites Using Meta Mobile Web App Capable

Using this tag you can set up your web app to have an application shortcut icon added to a device's homescreen, and have the app launch in full-screen "app mode".

Server

Web Server

Apache

Websites Using Apache

The Apache HTTP Server is an open-source HTTP server for modern operating systems including UNIX, Microsoft Windows, Mac OS/X and Netware. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services observing the current HTTP standards. Apache has been the most popular web server ...

Document Standard

P3P Policy

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 dec...

HTML5 DocType

Websites Using HTML5 DocType

The DOCTYPE is a required preamble for HTML5 websites.

HTTPS

Websites Using HTTPS

Websites using https protocol.

Open Graph Tags

OpenGraph Type Entity

Websites Using OpenGraph Type Entity

Open graph type entity tag

OpenGraph Url Entity

Websites Using OpenGraph Url Entity

Open graph url entity tag

OpenGraph Description Entity

Websites Using OpenGraph Description Entity

Open graph description entity tag

Open Graph Protocol

Websites Using Open Graph Protocol

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

OpenGraph Image Entity

Websites Using OpenGraph Image Entity

Open graph image entity tag

OpenGraph Site Name Entity

Websites Using OpenGraph Site Name Entity

Open graph site name entity tag

Schema

AggregateRating Schema Entity

Websites Using AggregateRating Schema Entity

The average rating based on multiple ratings or reviews.

Product Schema Entity

Websites Using Product Schema Entity

Any offered product or service. For example: a pair of shoes; a concert ticket; the rental of a car; a haircut; or an episode of a TV show streamed online.

Offer Schema Entity

Websites Using Offer Schema Entity

An offer to transfer some rights to an item or to provide a service—for example, an offer to sell tickets to an event, to rent the DVD of a movie, to stream a TV show over the internet, to repair a motorcycle, or to loan a book.

Meta Tags

Meta Keywords

Websites Using Meta Keywords

Meta Keywords are a specific type of meta tag that appear in the HTML code of a Web page and help tell search engines what the topic of the page is.

Meta Robot

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 Description

Websites Using Meta Description

Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.

Favicon Tag