Speed Optimizer adjusts the server settings that Google PageSpeed/Lighthouse regularly flags:
The new Performance Doctor tab answers “why is my site slow?” without technical knowledge:
The Performance Doctor only measures when you ask it to and changes nothing by itself. Database queries are stored without their values.
Every change to .htaccess is backed up automatically beforehand and checked with a self-test afterwards. If the test fails, the plugin automatically rolls back to the last working state. The backup can also be restored manually at any time.
The free version fully covers compression, caching, the safe .htaccess mode, all cleanup features and the Performance Doctor with 15 recommendations.
Speed Optimizer Pro adds: