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.

Google Tag ManagerGoogle Tag Manager

Google Tag Manager Usage Statistics · Download List of All Websites using Google Tag Manager

Tag management that lets you add and update website tags without changes to underlying website code.

Tag Management

Frameworks

Ruby on RailsRuby on Rails

Ruby on Rails Usage Statistics · Download List of All Websites using Ruby on Rails

Ruby on Rails is an open-source web framework that is optimized for programmer happiness and sustainable productivity.

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

CloudflareCloudflare

Cloudflare Usage Statistics · Download List of All Websites using Cloudflare

Automatically optimizes the delivery of your web pages so your visitors get the fastest page load times and best performance.

JavaScript Libraries and Functions

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

Intersection ObserverIntersection Observer

Intersection Observer Usage Statistics · Download List of All Websites using Intersection Observer

API that can be used to understand the visibility and position of DOM elements relative to a containing element or to the top-level viewport.

MathJaxMathJax

MathJax Usage Statistics · Download List of All Websites using MathJax

MathJax is an open source javascript technology for rendering mathematical content beautifully.

Web Hosting Providers
Web Servers

Phusion PassengerPhusion Passenger

Phusion Passenger Usage Statistics · Download List of All Websites using Phusion Passenger

Phusion Passenger - a.k.a. mod_rails or mod_rack - is a web server and application server, designed to be fast, robust and lightweight. Administration tools allow you to gain insight into web application operations and server performance.

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.

JavascriptJavascript

Javascript Usage Statistics

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

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

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.

X-XSS-ProtectionX-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.

X-Frame-OptionsX-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.

Content Type OptionsContent Type Options

Content Type Options Usage Statistics

Used to disable MIME-sniffing for a particular HTTP response.

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.

HTTP3 Alt-SvcHTTP3 Alt-Svc

HTTP3 Alt-Svc Usage Statistics

HTTP3 support test via the Alt-Svc HTTP header.

Verified CDN