PHP

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.

WordPress

WordPress Usage Statistics · Download List of All Websites using WordPress

WordPress is a state-of-the-art semantic personal publishing platform with a focus on aesthetics, web standards, and usability.

Open Source · Blog

HSTS

HSTS Usage Statistics · Download List of All Websites using HSTS

Forces browsers to only communicate with the site using HTTPS.

QUIC

QUIC Usage Statistics · Download List of All Websites using QUIC

Quick UDP Internet Connections, pronounced quick is a transport layer network protocol developed by Google.

Pingback Support

Pingback Support Usage Statistics · Download List of All Websites using Pingback Support

A Pingback is one of three types of Linkbacks, methods for Web authors to request notification when somebody links to one of their documents.

Really Simple Discovery

Really Simple Discovery Usage Statistics · Download List of All Websites using Really Simple Discovery

Really Simple Discovery is a way to help client software find the services needed to read, edit, or "work with" weblogging software.

UTF-8

UTF-8 Usage Statistics

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.

HTML5 DocType

HTML5 DocType Usage Statistics

The DOCTYPE is a required preamble for HTML5 websites.

Friends Network

Friends Network Usage Statistics

XHTML Friends Network is a simple way to represent human relationships using hyperlinks.

Cascading Style Sheets

Cascading Style Sheets Usage Statistics

Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML

Meta Robot

Meta Robot Usage Statistics

This page contains a meta robots tag which tells search engines and robots to index or not index the page.

Javascript

Javascript Usage Statistics

JavaScript is a scripting language most often used for client-side web development.

Strict Transport Security

Strict Transport Security Usage Statistics

The HTTP Strict-Transport-Security (HSTS) header instructs the browser to only use https.

X-Frame-Options

X-Frame-Options Usage Statistics

The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a frame or iframe. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.

Referrer Policy

Referrer Policy Usage Statistics

Requests made from a document, and for navigations away from that document are associated with a Referrer header. This policy determines in the browser should send a referrer or not.

X-XSS-Protection

X-XSS-Protection Usage Statistics

X-XSS-Protection is a HTTP header set by Internet Explorer 8+. This header lets domains toggle on and off the "XSS Filter" of IE8, which prevents some categories of XSS attacks.

HTTP3 Alt-Svc

HTTP3 Alt-Svc Usage Statistics

HTTP3 support test via the Alt-Svc HTTP header.