GTmetrix WordPress Optimization Guide
Many of our users run WordPress either as a CMS or blog platform. With a lot of great plugins available, it’s easy to create a full-featured website with a lot of neat functionality. These plugins however, can insert additional CSS and JavaScript files into your header which can hurt your site’s performance (and Page Speed and YSlow scores).
We’ve listed some plugins and written some recommendations for our WordPress users seeking optimization help.
After installing the plugins and doing some tweaks, here’s how our own blog fared: Our Comparison report