X-Frame-Options Usage Statistics
- Websites using X-Frame-Options
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.
Marquee Usage Statistics
- Websites using Marquee
The marquee element was first invented for Microsoft's Internet Explorer and is still supported by it. Other web browsers support it for compatibility with legacy pages. The element is non-compliant HTML
XHTML Transitional Usage Statistics
- Websites using XHTML Transitional
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.