<strong>Important:</strong> If you're using page speed test tools such as GTMetrix, Pingdom, Google PageSpeed Insights, etc., while test mode is enabled, you will not see any improvements in the reports because, technically, {bbackup_94402fb9ba80f392e0976ece85f92b2b876bfcaed8d83250cc06083f7139c7d9}s plugin is deactivated for guests users and anyone else (including bots and GTMetrix visits), the changes you made being visible only to you.