Analytics and Tracking

Google Optimize 360Google Optimize 360

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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 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.

Global Site TagGlobal Site Tag

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Google's primary tag for Google Measurement/Conversion Tracking, Adwords and DoubleClick.

Google Conversion LinkerGoogle Conversion Linker

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

Smart App BannerSmart App Banner

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Displays a banner that provides a direct link to an Apple Store app, or opens the app if the user already has it installed.

Mobile

Google Tag ManagerGoogle Tag Manager

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

Tag Management

COVID-19COVID-19

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This website mentions COVID-19 / Novel Coronavirus.

Frameworks

Ruby on RailsRuby on Rails

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

Ruby on Rails TokenRuby on Rails Token

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Ruby on Rails is an open-source web framework that is optimized for programmer happiness and sustainable productivity. Note that Ruby on Rails has two detection techniques and this is one of them.

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.

Content Delivery Network

CloudFrontCloudFront

CloudFront Usage Statistics · Download List of All Websites using CloudFront

Amazon CloudFront is a web service for content delivery. It integrates with other Amazon Web Services to give developers and businesses an easy way to distribute content to end users with low latency, high data transfer speeds, and no commitments.

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.

Google Maps APIGoogle Maps API

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Google Maps has a wide array of APIs that let you embed the functionality of Google Maps.

Viewport MetaViewport Meta

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This page uses the viewport meta tag which means the content may be optimized for mobile content.

Japanese YenJapanese Yen

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

Pound SterlingPound Sterling

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

KlarnaKlarna

Klarna Usage Statistics · Download List of All Websites using Klarna

Klarna Checkout takes the tries to take the hassle out of buying on mobile devices.

Checkout Buttons · Pay Later · Payments Processor

Audio / Video Media

VimeoVimeo

Vimeo Usage Statistics · Download List of All Websites using Vimeo

Use Vimeo to exchange videos with only the people you want to. We have a bunch of different privacy options so you can choose exactly who can see your videos, and others can do the same. The website embeds vimeo.

Online Video Platform · 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

WebpackWebpack

Webpack Usage Statistics · Download List of All Websites using Webpack

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

jQuery UIjQuery UI

jQuery UI Usage Statistics · Download List of All Websites using jQuery UI

jQuery UI provides abstractions for low-level interaction and animation, advanced effects and high-level, themeable widgets, built on top of the jQuery JavaScript Library, that you can use to build highly interactive web applications.

jQuery Plugin · UI

ReactReact

React Usage Statistics · Download List of All Websites using React

A JavaScript library for building user interfaces from Facebook.

JavaScript Library

ClassnamesClassnames

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Javascript utility for conditionally joining classNames together.

Advertising

Google AdsenseGoogle Adsense

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A contextual advertising solution for delivering Google AdWords ads that are relevant to site content pages.

Contextual Advertising

DoubleClick.NetDoubleClick.Net

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

AdformAdform

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Adform provide media planning, buying, optimization, and reporting for all online display advertising.

Google Publisher TagGoogle Publisher Tag

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Google Publisher Tag (GPT) is an ad tagging format that provides benefits and improvements over the DART tag.

Ads.txtAds.txt

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A public record of Authorized Digital Sellers for a website.

ads txt

RubiconProject ResellerRubiconProject Reseller

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The website owner has authorized another entity to control RubiconProject ads on this site.

ads txt

Email Hosting Providers

SendgridSendgrid

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SendGrid's cloud-based email infrastructure provides businesses with email delivery management.

Transactional Email

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

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.

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

DMARCDMARC

DMARC Usage Statistics · Download List of All Websites using DMARC

A technical specification created by a group of organizations that want to help reduce the potential for email-based abuse

Web Servers

Rack CacheRack Cache

Rack Cache Usage Statistics · Download List of All Websites using Rack Cache

Rack::Cache is a component to enable HTTP caching for Rack-based applications such as Rails.

Operating Systems and Servers
Syndication Techniques

RSSRSS

RSS Usage Statistics · Download List of All Websites using RSS

A family of web feed formats used to publish frequently updated content such as blog entries, news headlines or podcasts.

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

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Webmaster tools provide you with a free and easy way to make your site more Google-friendly.