Analytics and Tracking

Microsoft ClarityMicrosoft Clarity

Microsoft Clarity Usage Statistics · Download List of All Websites using Microsoft Clarity

Free-to-use analytics product for webmasters that shows how people are using your website.

Audience Measurement

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 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 Analytics 4Google Analytics 4

Google Analytics 4 Usage Statistics · Download List of All Websites using Google Analytics 4

Google Analytics 4 formerly known as App + Web is a new version of Google Analytics that was released in October 2020.

COVID-19COVID-19

COVID-19 Usage Statistics · Download List of All Websites using COVID-19

This website mentions COVID-19 / Novel Coronavirus.

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

US Privacy User Signal MechanismUS Privacy User Signal Mechanism

US Privacy User Signal Mechanism Usage Statistics · Download List of All Websites using US Privacy User Signal Mechanism

The US Privacy API (USP API) is a lightweight API used to communicate signals represented in the US Privacy String.

Privacy Compliance

Frameworks

Ruby on RailsRuby on Rails

Ruby on Rails Usage Statistics · Download List of All Websites using Ruby on Rails

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

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

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.

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.

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

Intersection ObserverIntersection Observer

Intersection Observer Usage Statistics · Download List of All Websites using Intersection Observer

API that can be used to understand the visibility and position of DOM elements relative to a containing element or to the top-level viewport.

Verified Link

TwitterTwitter

Twitter Usage Statistics · Download List of All Websites using Twitter

The website mentions twitter.com in some form.

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.

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.

Web Servers

Phusion PassengerPhusion Passenger

Phusion Passenger Usage Statistics · Download List of All Websites using Phusion Passenger

Phusion Passenger - a.k.a. mod_rails or mod_rack - is a web server and application server, designed to be fast, robust and lightweight. Administration tools allow you to gain insight into web application operations and server performance.