Manually cache a special, non-WP-but-using-WP page (e.g. Ajax results) with W3TC

No caching plugin will cache ajax request because it is considered a bad idea to cache a post request as they are usually used to change the state of the site and therefor might have a different response.

You will have to write such a caching by yourself.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)