Files: wp-admin/includes/class-wp-site-health.php

WP_Site_Health constructor.

Test if debug information is enabled.

Return an instance of the WP_Site_Health class, or create one if none exist yet.

Test if your site is serving content over HTTPS.

Enqueues the site health scripts.

Check if the HTTP API can handle SSL/TLS requests.

Run a Site Health test directly.

Test if scheduled events run as intended.

Run the SQL version checks.

Add a class to the body HTML tag.

Initiate the WP_Cron schedule test cases.

Populate our list of cron events and store them to a class-wide variable.

Check if any scheduled tasks have been missed.

Check if any scheduled tasks are late.

Check for potential issues with plugin and theme auto-updates.