YouTube – prevent “related videos” from showing at end – use YouTube’s embed code (in Divi’s Code module) and add ?rel=0 in appropriate spot.

SSL Certificate: clearing mixed content on Divi theme

Why no Padlock: identifying issues (usually images) which are loading insecurely.

What is my DNS?: handy for checking status when porting a site to a new url

Steps to cleaning an Audacity file:
Noise reduction: 12 | 6.00 | 3
Normalise: yes | yes (-1.00 dB) | no
Compressor: Threshold -20 (-15) | Noise Floor -40 | Ratio 3:1 | Attach 0.10 sec | Release 1.0 sec
Normalise: yes | yes (-1.00 dB) | no
Bass and Treble
Normalise: yes | yes (-1.00 dB) | no

Big data: Trendhunter.com | d3js.com

Check for current version of PHP: WordPress – Tools – Site Health – Info