Tutorials
Best WordPress Tutorials by WPBeginner
Learn WordPress for Free – Online by udemy
WooCommerce Video Tutorials by WooCommerce
Code
Fluid Width Video by Chris Coyier
Performace
5 Steps To Supercharge Your WordPress Blog – HostReview Security
Plugins
Wordfence – WordPress Security
Beaver Builder – WordPress Design Assistant
Yoast SEO – WordPress Plugin Directory
Popular WP Plugins – WordPress Plugin Directory
SEO
Actionable Tips to Drive Traffic to Your New WordPress Site by WPBeginner