Analytics and Tracking

OptimizelyOptimizely

Optimizely Usage Statistics · Download List of All Websites using Optimizely

Optimizely empowers companies to deliver more relevant and effective digital experiences on websites and mobile through A/B testing and personalization.

A/B Testing · Conversion Optimization · Personalization · Site Optimization

MixpanelMixpanel

Mixpanel Usage Statistics · Download List of All Websites using Mixpanel

This is an analytic platform that is particularly optimized funnel/work-flow optimization.

A/B Testing · Audience Measurement · Mobile · Site Optimization

LeadinLeadin

Leadin Usage Statistics · Download List of All Websites using Leadin

Get insights into everyone who fills out a form on your site. From Hubspot.

Feedback Forms and Surveys · Marketing Automation

HubspotHubspot

Hubspot Usage Statistics · Download List of All Websites using Hubspot

Hubspot provides marketing information and leads via inbounding marketing software.

Marketing Automation

Customer.ioCustomer.io

Customer.io Usage Statistics · Download List of All Websites using Customer.io

Email people automatically based on what they do (or don't do) in your app.

Marketing Automation

SegmentSegment

Segment Usage Statistics · Download List of All Websites using Segment

Segment gives you the ability to instrument your web app for analytics once, and then send your data to any number of analytics services. Previously known as Segment.io

Data Management Platform

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.

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

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

Bing Universal Event TrackingBing Universal Event Tracking

Bing Universal Event Tracking Usage Statistics · Download List of All Websites using Bing Universal Event Tracking

Universal Event Tracking (UET) is a simple and powerful campaign measurement solution that allows you to track key conversion goals important to your business.

Conversion Optimization · Retargeting / Remarketing

TypekitTypekit

Typekit Usage Statistics · Download List of All Websites using Typekit

Typekit is the easiest way to use real fonts on the web. It's a subscription-based service for linking to high-quality Open Type fonts from some of the worlds best type foundries.

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.

Twitter CDNTwitter CDN

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

This page contains content sourced from the Twitter CDN, either by the use of Widgets or linking to image content on twimg.com currently hosted by Akamai and Amazon.

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 Management System

SquarespaceSquarespace

Squarespace Usage Statistics · Download List of All Websites using Squarespace

Hosted CMS solution from creating and maintaining a website, blog or portfolio.

Hosted Solution · Simple Website Builder

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

Yahoo User InterfaceYahoo User Interface

Yahoo User Interface Usage Statistics · Download List of All Websites using Yahoo User Interface

The Yahoo! User Interface (YUI) Library is a set of utilities and controls, written in JavaScript, for building richly interactive web applications using techniques such as DOM scripting, DHTML and AJAX.

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

ModernizrModernizr

Modernizr Usage Statistics · Download List of All Websites using Modernizr

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

Compatibility

WebpackWebpack

Webpack Usage Statistics · Download List of All Websites using Webpack

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

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

YUI3YUI3

YUI3 Usage Statistics · Download List of All Websites using YUI3

YUI3 is Yahoo! latest JavaScript and CSS library.

Advertising

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

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.

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

MandrillMandrill

Mandrill Usage Statistics · Download List of All Websites using Mandrill

Mandrill is an email infrastructure service. Detailed analytics offer insight to measure email performance.

Transactional Email

ZendeskZendesk

Zendesk Usage Statistics · Download List of All Websites using Zendesk

Organize, prioritize and engage with others on support requests.

CRM · Ticketing System

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

SSL Certificates

SSL by DefaultSSL by Default

SSL by Default Usage Statistics · Download List of All Websites using SSL by Default

The website redirects traffic to an HTTPS/SSL version by default.

Web Hosting Providers
Web Servers

VarnishVarnish

Varnish Usage Statistics · Download List of All Websites using Varnish

Varnish is a web accelerator / reverse proxy caching server.

Caching Proxy

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.