Analytics and Tracking

Global Site TagGlobal Site Tag

Global Site Tag Usage Statistics · Download List of All Websites using Global Site Tag

Google's primary tag for Google Measurement/Conversion Tracking, Adwords and DoubleClick.

Google AnalyticsGoogle Analytics

Google Analytics Usage Statistics · Download List of All Websites using Google Analytics

Google Analytics offers a host of compelling features and benefits for everyone from senior executives and advertising and marketing professionals to site owners and content developers.

Application Performance · Audience Measurement · Visitor Count Tracking

Google Universal AnalyticsGoogle Universal Analytics

Google Universal Analytics Usage Statistics · Download List of All Websites using Google Universal Analytics

The analytics.js JavaScript snippet is a new way to measure how users interact with your website. It is similar to the previous Google tracking code, ga.js, but offers more flexibility for developers to customize their implementations.

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

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 (Content Delivery Network) where Javascript developers can host their files.

Facebook CDNFacebook CDN

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

This page has content that links to the Facebook content delivery network.

UNPKGUNPKG

UNPKG Usage Statistics · Download List of All Websites using UNPKG

unpkg is a fast, global content delivery network for everything on npm.

Content Management System

JekyllJekyll

Jekyll Usage Statistics · Download List of All Websites using Jekyll

Transform your plain text into static websites and blogs. Note not all sites keep the Jekyll tags so this list will not be conclusive for all Jekyll sites.

Open Source

JavaScript Libraries and Functions

Service WorkerService Worker

Service Worker Usage Statistics · Download List of All Websites using Service Worker

A script that your browser runs in the background for caching, notifications and other experiences.

Framework

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

Facebook for WebsitesFacebook for Websites

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

Allows a user to make a website more sociable and connected with integrations from the hugely popular Facebook website.

Facebook SDKFacebook SDK

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

JavaScript SDK enables you to access all of the features of the Graph API via JavaScript, and it provides a rich set of client-side functionality for authentication and sharing. It differs from Facebook Connect.

lazySizeslazySizes

lazySizes Usage Statistics · Download List of All Websites using lazySizes

Lazy loader for images (responsive and normal), iframes and scripts, that detects any visibility changes triggered through user interaction, CSS or JavaScript without configuration.

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.

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

Meta RobotMeta Robot

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

This page contains a meta robots tag which tells search engines and robots to index or not index the page.

Open Graph ProtocolOpen Graph Protocol

Open Graph Protocol Usage Statistics · Download List of All 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

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.

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.

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.

Twitter CardsTwitter Cards

Twitter Cards Usage Statistics · Download List of All Websites using Twitter Cards

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

Web App ManifestWeb App Manifest

Web App Manifest Usage Statistics · Download List of All Websites using Web App Manifest

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.

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

Twitter BootstrapTwitter Bootstrap

Twitter Bootstrap Usage Statistics · Download List of All Websites using Twitter Bootstrap

Bootstrap is a toolkit from Twitter designed to kickstart development of webapps and sites.

Sub Resource IntegritySub Resource Integrity

Sub Resource Integrity Usage Statistics · Download List of All Websites using Sub Resource Integrity

SRI is a W3C specification that allows web developers to ensure that resources hosted on third-party servers have not been tampered with.

JavascriptJavascript

Javascript Usage Statistics · Download List of All Websites using Javascript

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

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.

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.

CORSCORS

CORS Usage Statistics · Download List of All Websites using CORS

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.

Web Master Registration

Google WebmasterGoogle Webmaster

Google Webmaster Usage Statistics · Download List of All Websites using Google Webmaster

Webmaster tools provide you with a free and easy way to make your site more Google-friendly.

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.