Analytics and Tracking

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

Yandex MetrikaYandex Metrika

Yandex Metrika Usage Statistics · Download List of All Websites using Yandex Metrika

A free Russian tool for increasing the conversion of the site. Watch for key performance site, analyze visitor behavior, evaluate the impact of advertising campaigns.

Audience Measurement · Conversion Optimization

DoubleClick FloodlightDoubleClick Floodlight

DoubleClick Floodlight Usage Statistics · Download List of All Websites using DoubleClick Floodlight

Floodlight is feature of DoubleClick ads that allows advertisers to capture and report on the actions of users who visit their website after viewing or clicking on one of the advertiser's ads.

Facebook SignalFacebook Signal

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

Journalists use Signal to surface relevant trends, photos, videos and posts from Facebook and Instagram for use in their storytelling and reporting.

Facebook PixelFacebook Pixel

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

Facebook Pixel is Facebooks conversion tracking system for ads on Facebook to websites.

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 Conversion LinkerGoogle Conversion Linker

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

Detects the ad click information in your conversion page URLs and stores this information to associate an ad click with a conversion.

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.

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

VKVK

VK Usage Statistics · Download List of All Websites using VK

VK is an all-purpose tool for finding friends, considered a Russian version of Facebook.

Social SDK

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

ToastrToastr

Toastr Usage Statistics · Download List of All Websites using Toastr

toastr is a Javascript library for non-blocking notifications.

ModernizrModernizr

Modernizr Usage Statistics · Download List of All Websites using Modernizr

Modernizr allows you to target specific browser functionality in your stylesheet.

Compatibility

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.

Social SDK

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.

Image Library

fastXDMfastXDM

fastXDM Usage Statistics · Download List of All Websites using fastXDM

Library from VK based on easyXDM providing cross-domain messaging.

WebpackWebpack

Webpack Usage Statistics · Download List of All Websites using Webpack

webpack takes modules with dependencies and generates static assets representing those modules.

Device JSDevice JS

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

Device.js makes it easy to write conditional CSS _and/or_ JavaScript based on device operating system

Compatibility

Raven JSRaven JS

Raven JS Usage Statistics · Download List of All Websites using Raven JS

Raven.js is the official browser JavaScript client for Sentry.

Underscore.jsUnderscore.js

Underscore.js Usage Statistics · Download List of All Websites using Underscore.js

Underscore is a utility-belt library for JavaScript that provides functional programming support.

Email Hosting Providers

SPFSPF

SPF Usage Statistics · Download List of All Websites using SPF

The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.

Standard

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.

Operating Systems and Servers
CSS Media Queries

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.

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.

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.

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.