Frameworks

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.

Document Encoding

UTF-8UTF-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.

Document Standards

HTML5 DocTypeHTML5 DocType

HTML5 DocType Usage Statistics

The DOCTYPE is a required preamble for HTML5 websites.

Meta KeywordsMeta Keywords

Meta Keywords Usage Statistics

Meta tag containing keywords related to the page.

Meta DescriptionMeta Description

Meta Description Usage Statistics

The description attribute provides a concise explanation of the page content.

Meta RobotMeta 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.

HTML 5 Specific TagsHTML 5 Specific Tags

HTML 5 Specific Tags Usage Statistics

This page contains tags that are specific to an HTML 5 implementation.

X-XSS-ProtectionX-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.

Content Type OptionsContent Type Options

Content Type Options Usage Statistics

Used to disable MIME-sniffing for a particular HTTP response.

X-Frame-OptionsX-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.

Content Security PolicyContent Security Policy

Content Security Policy Usage Statistics

Content Security Policy is a computer security concept, to prevent cross-site scripting XSS attacks.

HTTP3 Alt-SvcHTTP3 Alt-Svc

HTTP3 Alt-Svc Usage Statistics

HTTP3 support test via the Alt-Svc HTTP header.