SAMPLE FIXTURE. A repeatable starting point matters more than a single impressive score.
The experiment
Before changing a plugin setting, record the current response, visible page and relevant report. Repeat the same request after the change. Note whether you were logged in and whether a CDN or origin cache served the response.
Use Test Lab to plan your next controlled check.
SAMPLE COMMENT: This approved fixture lets you check the comment layout. It is not a real visitor message.