by sdkester on WordPress.org
Keeps track of the queries, loading time, and memory usage of your Wordpress site.
Statistics
The Latency Tracker plugin counts the number of database calls and speed of your site, tracks it over time, and gives you some statistics about the performance of your site.
All the tools you need to integrate your WordPress and Google+.
Optimize CSS Delivery: Load CSS Asynchronously, Delay CSS until User Interaction, Preload Critical CSS, and Remove Unused CSS Files.
Adds a simple quick navigation dropdown box to the top of every admin edit screen.