for someone who hates expressing opinions on neocities like its tumblr/twitter, they sure are expressing their opinion like its tumblr/twitter
That was painful to read, but good on you for not using the clickable URL or their Neocities profile username.
If you're looking for an automated accessibility checker, WAVE has been pretty useful to me. They have a thing where they explain what is wrong and how to fix it. There's more tools out on this: https://alphagov.github.io/accessibility-tool-audit/index.html