Analytics and Tracking

FastlyFastly

Fastly Usage Statistics · Download List of All Websites using Fastly

Real-time Analytics and CDN platform. Analyze your web and server traffic patterns in real-time.

Application Performance

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.

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

jQueryjQuery

jQuery Usage Statistics · Download List of All Websites using jQuery

JQuery is a fast, concise, JavaScript Library that simplifies how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your web pages. jQuery is designed to change the way that you write JavaScript.

JavaScript Library

Advertising

FLoCFLoC

FLoC Usage Statistics · Download List of All Websites using FLoC

FLoC - Federated Learning of Cohorts provides a privacy-preserving mechanism for interest-based ad selection.

FLoC Opt-OutFLoC Opt-Out

FLoC Opt-Out Usage Statistics · Download List of All Websites using FLoC Opt-Out

The website has opted-out of FLoC to declare that it does not want to be included in the user's list of sites for cohort calculation.

SSL Certificates

HSTSHSTS

HSTS Usage Statistics · Download List of All Websites using HSTS

Forces browsers to only communicate with the site using HTTPS.

Operating Systems and Servers
Web Servers

VarnishVarnish

Varnish Usage Statistics · Download List of All Websites using Varnish

Varnish is a web accelerator / reverse proxy caching server.

Varnish Server

Syndication Techniques

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

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.

Twitter CardsTwitter Cards

Twitter Cards Usage Statistics

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

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.

Handheld FriendlyHandheld Friendly

Handheld Friendly Usage Statistics

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

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

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.

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.

WAI-ARIAWAI-ARIA

WAI-ARIA Usage Statistics

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.

CORSCORS

CORS Usage Statistics

The Cross-Origin Resource Sharing (CORS) mechanism gives web servers cross-domain access controls, which enable secure cross-domain data transfers. Access Control Allow Origin.

Strict Transport SecurityStrict Transport Security

Strict Transport Security Usage Statistics

The HTTP Strict-Transport-Security (HSTS) header instructs the browser to only use https.