Allows PHP’s getimagesize() to be debuggable when necessary.

Adds loading attribute to an iframe HTML tag.

Checks whether the current site URL is using HTTPS.

Checks whether HTTPS is supported for the server and domain.

Checks whether a given HTML string is likely an output from this WordPress site.

Checks whether the current site’s URL where WordPress is stored is using HTTPS.

Checks whether the website is using HTTPS.

Determines whether to add the loading attribute to the specified tag in the specified context.

Display a noindex meta tag.

Prints inline JavaScript wrapped in tag.