Mobile OptimizedMobile Optimized

Mobile Optimized Usage Statistics · Download List of All Websites using Mobile Optimized

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

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.

Content Delivery Network

jsDelivrjsDelivr

jsDelivr Usage Statistics · Download List of All Websites using jsDelivr

A free CDN where Javascript developers can host their files. Encompasses MaxCDN, and BootstrapCDN.

Content Management System
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

Verified Link

GitHubGitHub

GitHub Usage Statistics · Download List of All Websites using GitHub

The website mentions github.com in some form.

Web Servers

nginxnginx

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

UTF-8UTF-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

HTML5 DocTypeHTML5 DocType

HTML5 DocType Usage Statistics

The DOCTYPE is a required preamble for HTML5 websites.

Conditional CommentsConditional Comments

Conditional Comments Usage Statistics

[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.

HTML5 BoilerplateHTML5 Boilerplate

HTML5 Boilerplate Usage Statistics

This site is using code from the HTML5 Boilerplate project.

X-UA-CompatibleX-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.

Handheld FriendlyHandheld Friendly

Handheld Friendly Usage Statistics

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

Meta DescriptionMeta Description

Meta Description Usage Statistics

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

Meta KeywordsMeta Keywords

Meta Keywords Usage Statistics

Meta tag containing keywords related to the page.

Open Graph ProtocolOpen 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

Canonical Content TagCanonical Content Tag

Canonical Content Tag Usage Statistics

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

Cascading Style SheetsCascading 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 TagsHTML 5 Specific Tags

HTML 5 Specific Tags Usage Statistics

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

JavascriptJavascript

Javascript Usage Statistics

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

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.