Remove Comments
The feature removes the comment tags which exist between <head></head>.
After combining js and css, the sources are comment out. The feature removes such comments so the sites are optimized more.
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Mobile Cache
This feature creates the cache for mobile devices. This is a premium feature. It does not exist in the free…
Database Cleanup – Speed Up Database
You can speed up your db with The Database Cleanup feature.
Delay JavaScript
The Delay JavaScript is the feature which helps improving the Reduce unused JavaScript warning in Google PageSpeed Insights tool.