Analytics and Tracking

CastleCastle

Castle Usage Statistics · Download List of All Websites using Castle

Deep visibility into what users are doing on your website.

Audience Measurement

Google Conversion TrackingGoogle Conversion Tracking

Google Conversion Tracking Usage Statistics · Download List of All Websites using Google Conversion Tracking

This free tool in AdWords can show you what happens after customers click your ad (for example, whether they purchased your product, called from a mobile phone or downloaded your app).

Conversion Optimization

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

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.

Adobe ConnectAdobe Connect

Adobe Connect Usage Statistics · Download List of All Websites using Adobe Connect

Adobe Connect web conferencing software offers online meeting functionality, virtual classrooms and large scale webinars.

Twitter Tweet ButtonTwitter Tweet Button

Twitter Tweet Button Usage Statistics · Download List of All Websites using Twitter Tweet Button

Official Tweet Button for sharing articles on websites and counting how many times a URL has been shared.

Facebook LikeFacebook Like

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

Allows users to Like items they find on the web, similar to how you Like items within Facebook.

Social Sharing

Facebook SharerFacebook Sharer

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

Share this page on Facebook using a deprecated sharing syntax.

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

Facebook Domain VerificationFacebook Domain Verification

Facebook Domain Verification Usage Statistics · Download List of All Websites using Facebook Domain Verification

Domain Verification provides a way for you to claim ownership of your domain in Facebook Business Manager.

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.

Android AlternativeAndroid Alternative

Android Alternative Usage Statistics · Download List of All Websites using Android Alternative

This website specifies an alternative link for an Android specific web application.

Content Delivery Network

AJAX Libraries APIAJAX Libraries API

AJAX Libraries API Usage Statistics · Download List of All Websites using AJAX Libraries API

The AJAX Libraries API is a content distribution network and loading architecture for the most popular, open source JavaScript libraries.

GStatic Google Static ContentGStatic Google Static Content

GStatic Google Static Content Usage Statistics · Download List of All Websites using GStatic Google Static Content

Google has off-loaded static content (Javascript/Images/CSS) to a different domain name in an effort to reduce bandwidth usage and increase network performance for the end user.

jsDelivrjsDelivr

jsDelivr Usage Statistics · Download List of All Websites using jsDelivr

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

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

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.

Social SDK

CryptoJSCryptoJS

CryptoJS Usage Statistics · Download List of All Websites using CryptoJS

CryptoJS is a growing collection of standard and secure cryptographic algorithms implemented in JavaScript using best practices and patterns.

SkrollrSkrollr

Skrollr Usage Statistics · Download List of All Websites using Skrollr

Parallax scrolling library with no dependencies.

Advertising

DoubleClick.NetDoubleClick.Net

DoubleClick.Net Usage Statistics · Download List of All Websites using DoubleClick.Net

DoubleClick enables agencies, marketers and publishers to work together successfully and profit from their digital marketing investments.

Email Hosting Providers

Google Apps for BusinessGoogle Apps for Business

Google Apps for Business Usage Statistics · Download List of All Websites using Google Apps for Business

Web-based email, calendar, and documents for teams. Renamed to Google Apps for Work, but now known as G Suite From Google Cloud.

Business Email Hosting

Operating Systems and Servers
CSS Media Queries

Device Pixel RatioDevice Pixel Ratio

Device Pixel Ratio Usage Statistics · Download List of All Websites using Device Pixel Ratio

A media query to display different CSS based on the device pixel ratio. Standard screens have a pixel ratio of 1, retina devices have a pixel ratio greater than 1.

Min WidthMin Width

Min Width Usage Statistics · Download List of All Websites using Min Width

A CSS media query to display specific CSS if a device greater than the minimum width specified.

Max WidthMax Width

Max Width Usage Statistics · Download List of All Websites using Max Width

Media query to limit CSS to display for devices with a maximum width defined.

Device WidthDevice Width

Device Width Usage Statistics · Download List of All Websites using Device Width

Describes the width of the output device (meaning the entire screen or page, rather than just the rendering area, such as the document window).

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.