Analytics and Tracking

Quantcast MeasurementQuantcast Measurement

Quantcast Measurement Usage Statistics · Download List of All Websites using Quantcast Measurement

Provides Quantcast with tracking information about your site which anyone can access and view demographic information.

Audience Measurement · Mobile

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

CrUX DatasetCrUX Dataset

CrUX Dataset Usage Statistics · Download List of All Websites using CrUX Dataset

CrUX is a data collection system that gathers information about how real users interact with websites. This website is included in the user experiences data gathered from Google Chrome and thus considered sufficiently popular on the Internet.

CrUX Top 50mCrUX Top 50m

CrUX Top 50m Usage Statistics · Download List of All Websites using CrUX Top 50m

Relative measure of site popularity within the CrUX dataset, measured by the total number of navigations on the origin. This site is in the top 50 million.

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 Hosting Providers

HKTHKT

HKT Usage Statistics · Download List of All Websites using HKT

HKT is Hong Kong's leading telecommunications service provider for the public, local, and international businesses.

Chinese hosting

Web Servers

ApacheApache

Apache Usage Statistics · Download List of All Websites using Apache

Apache has been the most popular web server on the Internet since April 1996.

Operating Systems and Servers

FedoraFedora

Fedora Usage Statistics · Download List of All Websites using Fedora

Fedora is a Linux-based operating system that showcases the latest in free and open source software. Fedora is always free for anyone to use, modify, and distribute. It is built by people across the globe who work together as a community: the Fedora Project.

OpenSSLOpenSSL

OpenSSL Usage Statistics · Download List of All Websites using OpenSSL

The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library.