Document Encoding

ISO/IEC 8859ISO/IEC 8859

ISO/IEC 8859 Usage Statistics

ISO 8859, more formally ISO/IEC 8859, is a joint ISO and IEC standard for 8-bit character encodings for use by computers. The standard is divided into numbered, separately published parts, such as ISO/IEC 8859-1, ISO/IEC 8859-2, etc., each of which may be informally referred to as a standard in itself. There are currently 15 parts as of 2006 excluding the abandoned ISO/IEC 8859-12 standard.

Document Standards

XHTML TransitionalXHTML Transitional

XHTML Transitional Usage Statistics

The website claims XHTML Transitional status. XHTML 1.0 Transitional is the same as HTML 4.01 Transitional, but follows XML syntax rules. It supports everything found in XHTML 1.0 Strict, but also permits the use of a number of elements and attributes that are judged presentational, in order to ease the transition from HTML 3.2 and earlier. These include center, u, strike, and applet.

JavascriptJavascript

Javascript Usage Statistics

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

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.

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.

CORSCORS

CORS Usage Statistics

The Cross-Origin Resource Sharing (CORS) mechanism gives web servers cross-domain access controls, which enable secure cross-domain data transfers. Access Control Allow Origin.

Content Type OptionsContent Type Options

Content Type Options Usage Statistics

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