WPMUDev recommends Hummingbird as a presentation enhancement plugin.
Once activated, Hummingbird Pro will scan your site for potential speed improvements and provide the appropriate settings for recording pressure, minification, and program saving. Hummingbird speeds up your website while also assisting you in improving your Google PageSpeed Insights ranking!
Demo:
Hummingbird Pro - Supercharge WordPress Performance - WPMU DEV
Hummingbird is a performance and optimization pro tool dedicated to giving your site SuperSpeed.
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