WP NOTES & TIPS

Menu CSS and tips:
http://www.dynamicdrive.com/dynamicindex1/multi-level-full-screen-menu.htm

Eldorado:
http://eldorado.net/

Cache Busting Tips:

WordPress Theme CSS and JS Cache Busting

WP Error Establishing DB:
http://www.wpbeginner.com/wp-tutorials/how-to-fix-the-error-establishing-a-database-connection-in-wordpress/

GTMEtrix:
https://gtmetrix.com

Pingdom Tools:
https://tools.pingdom.com

WP Header Expireys:

How to Add Far Future Expires Headers to Your WordPress Site

Remove ETags:
FileETag none