X-Frame-Options Header
Download List of All Websites using X-Frame-Options Header
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>, <iframe>, <embed> or <object>. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.
HSTS - Browser HTTPS Only for domain and subdomains
Download List of All Websites using HSTS - Browser HTTPS Only for domain and subdomains
The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) lets a web site tell browsers that it should only be accessed using HTTPS, instead of using HTTP for domain and subdomains browsers will never connect to your domain using an insecure connection. While the service is hosted by Googlefor 31536000 seconds