Review small sites for UM

[garritfra]

We should go through all small domains (<20kb?) to check for UM content and possibly remove them.

Ref: #972

[garritfra]

Sites <= 20kb which are broken or could be considered UM:

• https://xslendi.xyz/
• https://bvnf.space/
• https://www.blmayer.dev/ (Broken SSL)
• https://masysma.net/
• https://camaro96.neocities.org/
• https://dendiz.github.io