Analytics and Tracking

Google Optimize 360Google Optimize 360

Google Optimize 360 Usage Statistics · Download List of All Websites using Google Optimize 360

Test different variations of a website and then tailor it to deliver a personalized experience that works best for each customer and for your business.

A/B Testing · Personalization

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

Twitter AnalyticsTwitter Analytics

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

A tool that helps website owners understand how much traffic they receive from Twitter and the effectiveness of Twitter integrations on their sites. Includes Twitter Conversion Tracking.

Conversion Optimization

Twitter Website Universal TagTwitter Website Universal Tag

Twitter Website Universal Tag Usage Statistics · Download List of All Websites using Twitter Website Universal Tag

A tool from Twitter that makes it possible for advertisers to track website conversions and manage tailored audience campaigns.

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.

Facebook Domain InsightsFacebook Domain Insights

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

This website contains tracking information that allows admins to see Facebook Insights out of Facebook to this domain.

Social Management

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.

LinkedIn InsightsLinkedIn Insights

LinkedIn Insights Usage Statistics · Download List of All Websites using LinkedIn Insights

The LinkedIn Insight Tag is a piece of lightweight JavaScript code that you can add to your website to enable in-depth campaign reporting and unlock valuable insights about your website visitors and for conversion optimization of ads.

Conversion Optimization

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.

OptinMonsterOptinMonster

OptinMonster Usage Statistics · Download List of All Websites using OptinMonster

OptinMonster enables you to create professionally designed opt-in forms without writing code.

WordPress Plugins · Feedback Forms and Surveys

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

Sitelinks Search BoxSitelinks Search Box

Sitelinks Search Box Usage Statistics · Download List of All Websites using Sitelinks Search Box

With Google sitelinks search box, people can reach your content more quickly from search results.

Site Search

Add to AnyAdd to Any

Add to Any Usage Statistics · Download List of All Websites using Add to Any

Help your visitors share, save and subscribe to your content with Add to Any widgets.

Social Sharing · Bookmarking

English HREF LANGEnglish HREF LANG

English HREF LANG Usage Statistics · Download List of All Websites using English HREF LANG

This webpage has alternate versions available in English via the use of the hreflang tag.

Chinese HREF LANGChinese HREF LANG

Chinese HREF LANG Usage Statistics · Download List of All Websites using Chinese HREF LANG

This webpage has alternate versions available in Chinese via the use of the hreflang tag.

Russian HREF LANGRussian HREF LANG

Russian HREF LANG Usage Statistics · Download List of All Websites using Russian HREF LANG

This webpage has alternate versions available in Russian via the use of the hreflang tag.

Spanish HREF LANGSpanish HREF LANG

Spanish HREF LANG Usage Statistics · Download List of All Websites using Spanish HREF LANG

This webpage has alternate versions available in Spanish via the use of the hreflang tag.

French HREF LANGFrench HREF LANG

French HREF LANG Usage Statistics · Download List of All Websites using French HREF LANG

This webpage has alternate versions available in French via the use of the hreflang tag.

Frameworks

PHPPHP

PHP Usage Statistics · Download List of All Websites using PHP

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

Programming Language

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

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.

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.

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.

CDN JSCDN JS

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

CloudFlare's CDN with popular javascript frameworks available.

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.

Pound SterlingPound Sterling

Pound Sterling Usage Statistics · Download List of All Websites using Pound Sterling

The website uses the £ symbol on its website - meaning it may accept payment in this British currency.

Payment Currency

Japanese YenJapanese Yen

Japanese Yen Usage Statistics · Download List of All Websites using Japanese Yen

The website uses the ¥ symbol on its website - meaning it may accept payment in this Japanese currency.

Payment Currency

Audio / Video Media

YouTube IFrame APIYouTube IFrame API

YouTube IFrame API Usage Statistics · Download List of All Websites using YouTube IFrame API

The IFrame player API lets you embed a YouTube video player on your website and control the player using JavaScript

VideoJSVideoJS

VideoJS Usage Statistics · Download List of All Websites using VideoJS

VideoJS is an HTML5 Video Player, built with Javascript and CSS, with a fallback to a Flash video player for when the browser doesn't support HTML5 video. Owned by Brightcove.

Video Players

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 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

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

lodashlodash

lodash Usage Statistics · Download List of All Websites using lodash

Lo-dash is an alternative and a drop-in replacement for Underscore.js.

JavaScript Library

WebFont LoaderWebFont Loader

WebFont Loader Usage Statistics · Download List of All Websites using WebFont Loader

WebFont Loader gives you added control when using linked fonts via @font-face, from Typekit.

Moment JSMoment JS

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

moment.js is a date library for parsing, validating, manipulating, and formatting dates.

JavaScript Library

WebpackWebpack

Webpack Usage Statistics · Download List of All Websites using Webpack

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

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

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.

Facebook Custom AudiencesFacebook Custom Audiences

Facebook Custom Audiences Usage Statistics · Download List of All Websites using Facebook Custom Audiences

Custom Audiences from your website makes it possible to reach people who visit your website and deliver the right message to them on Facebook.

Retargeting / Remarketing

BizoBizo

Bizo Usage Statistics · Download List of All Websites using Bizo

Advertising platform spun off from zoominfo.com now owned by LinkedIn.

Ad Network · Data Management Platform

Email Hosting Providers

Amazon SESAmazon SES

Amazon SES Usage Statistics · Download List of All Websites using Amazon SES

Amazon Simple Email Service (Amazon SES) is a scalable, bulk, transactional email-sending service for businesses and developers.

Transactional Email

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

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
Syndication Techniques

Dublin CoreDublin Core

Dublin Core Usage Statistics · Download List of All Websites using Dublin Core

The website contains dublin core meta data extensions.

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.

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.