1. WbouncewBounce improves bounce rate to boost conversions and sales. The free alternative to Bounce Exchange for WordPress. WordPress plugin.
3. inline-commentsInline Comments adds your comment system to the side of paragraphs and other sections of your post. WordPress plugin.
4. lazy-load-for-videosSpeed up your site by replacing embedded Youtube and Vimeo videos with a clickable preview image. Free WordPress plugin.