defer

This add-on adds 'lazy loading images' to your forum with minimal impact. This will have a positive effect on your PageSpeed score, especially for the mobile test. Simply check the difference with and without this add-on. Loading image lazy means your browser will only download images when...

This add-on moves javascripts in page output to the bottom of the page. This has a noticeable impact on page-load times as pending HTTP requests postpone rendering of a page, while scripts aren't run until everything is loaded anyways. There is a blacklist available in the options for scripts...