This list is meant to be more of a stepping off point for quality resources to learn more about WordPress as well as anything related that can help your overall experience using it and interacting on the web.

<tagsandcode/> will continue to add and update by category as we come across useful sites offering good information for all.

WordPress-related:

WordPress.org
WordPress.tv

News:

Torque

Plugins:

WordPress Repository
Child Theme Configurator
W3 Total Cache
Wordfence Security
Schema
Clean Image Filenames

CSS:

11 CSS Learning Tools
Sitepoint CSS reference
CSS3 Click Chart
CSS Tutorial
CSS Tricks

Backups:

UpdraftPlus
UpdraftPlus FAQ’s

Themes:

Free Themes from the WordPress repository
Modern Themes
Graph Paper Press
Dessign.net

Google PageSpeed Insights:

Check your site’s speed for mobile and desktop speed

SEO:

Moz
SEMrush

(information, tutorials and software for SEO)

Content Delivery Network:

Cloudflare