hint for best practices related to the meta charset

hint for best practices related to the apple-touch-icons

hint that that checks if protocol relative URLs are used

hint that that checks if protocol relative URLs are used

A hint formatter that outputs the issues in an HTML file.

hint for HTTP compression related best practices

hint that that checks if the web app manifest file is valid

hint that that checks using SSL Labs for best practices related to the website's SSL configuration

hint for best practices related to the web app manifest's name and short_name members

hint that that warns against using the BOM character at the beginning of a text file.

hint that that checks if a web app manifest file was specified and it exists

hint that that checks if the web app manifest file has the correct file extension

hint for best practices related to the usage of the Strict-Transport-Security response header

hint for best practices related to the usage of the Set-Cookie response header.

hint for best practices related to the usage of the X-Content-Type-Options response header.

hint that that checks if HTML document only response headers are sent for other resources

hint for best practices related to the meta viewport

hint to validate if the HTML, CSS, and JavaScript APIs of the project are deprecated or not broadly supported

hint for best practices related to usage of the X-UA-Compatible meta tag and response header

Hint text for a form field.