SSL Certificates

HSTSHSTS

HSTS Usage Statistics · Download List of All Websites using HSTS

Forces browsers to only communicate with the site using HTTPS.

Document Standards

JavascriptJavascript

Javascript Usage Statistics

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

Referrer PolicyReferrer 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.

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.

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.

Strict Transport SecurityStrict Transport Security

Strict Transport Security Usage Statistics

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