Document Encoding

UTF-8UTF-8

UTF-8 Usage Statistics · Download List of All Websites using UTF-8

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

HTML 4.01 Transitional DTDHTML 4.01 Transitional DTD

HTML 4.01 Transitional DTD Usage Statistics · Download List of All Websites using HTML 4.01 Transitional DTD

[url] claims HTML 4.01 Transitional DTD, which includes presentation attributes and elements that W3C expects to phase out as support for style sheets matures.

DocType Declaration

Strict Transport SecurityStrict Transport Security

Strict Transport Security Usage Statistics · Download List of All Websites using Strict Transport Security

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

HSTSHSTS

HSTS Usage Statistics · Download List of All Websites using HSTS

Forces browsers to only communicate with the site using HTTPS.