Server signature checker

Get all the HTTP headers that an URL returns for a typical GET request.

Get all possible details about an SSL certificate.

Check if a website has HTTP Strict Transport Security (HSTS) enabled.

Detects outdated HTML tags that should be replaced with modern alternatives.

Check if images on a webpage have the lazy loading attribute enabled for performance optimization.

Check if a website has a valid favicon and if it is correctly linked in the HTML.

Get approximate IP details.