Mobile

Microsoft invented the MobileOptimized META tag to control the layout width for mobile markup rendered in Internet Explorer Mobile.

Viewport 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.

IPhone / Mobile Compatible

IPhone / Mobile Compatible Usage Statistics · Download List of All Websites using IPhone / Mobile Compatible

The website contains code that allows the page to support IPhone / Mobile Content.

Apple Mobile Web Clips Icon

Apple Mobile Web Clips Icon Usage Statistics · Download List of All Websites using Apple Mobile Web Clips Icon

This page contains an icon for iPhone, iPad and iTouch devices.

Verified Link

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Instagram

Instagram Usage Statistics · Download List of All Websites using Instagram

The website mentions Instagram in some form.

Facebook

Facebook Usage Statistics · Download List of All Websites using Facebook

The website mentions facebook.com in some form.

LinkedIn Usage Statistics · Download List of All Websites using LinkedIn

The website mentions linkedin.com in some form.

Twitter

Twitter Usage Statistics · Download List of All Websites using Twitter

The website mentions twitter.com in some form.

Web Servers

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nginx

nginx Usage Statistics · Download List of All Websites using nginx

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.

Document Encoding

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UTF-8

UTF-8 Usage Statistics

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

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HTML5 DocType

HTML5 DocType Usage Statistics

The DOCTYPE is a required preamble for HTML5 websites.

Meta Description

Meta Description Usage Statistics

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

Handheld Friendly

Handheld Friendly Usage Statistics

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

X-UA-Compatible

X-UA-Compatible Usage Statistics

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.

Google Chrome IE Frame

Google Chrome IE Frame Usage Statistics

Frames Google Chrome window into Internet Explorer for HTML 5 compatibility.

Web App Manifest

Web App Manifest Usage Statistics

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.

Windows 8 Pinning

Windows 8 Pinning Usage Statistics

Windows 8 pinning functionality for websites.

Open Graph Protocol

Open Graph Protocol Usage Statistics

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

Cascading Style Sheets

Cascading Style Sheets Usage Statistics

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

HTML 5 Specific Tags

HTML 5 Specific Tags Usage Statistics

This page contains tags that are specific to an HTML 5 implementation.

srcset

srcset Usage Statistics

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

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.

X-Frame-Options

X-Frame-Options Usage Statistics

The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a frame or iframe. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.

X-XSS-Protection

X-XSS-Protection Usage Statistics

X-XSS-Protection is a HTTP header set by Internet Explorer 8+. This header lets domains toggle on and off the "XSS Filter" of IE8, which prevents some categories of XSS attacks.