> checks user agents and won't show the links to legitimate search engines, so Google and Bing won't see them.

Serving different contents to search engines is called "cloaking" and can get you banned from their indexes.

didn't know that thanks for pointing it out, i'll remove that feature

Somehow doubt this. It would mean most react websites that serve static content without paywalls for SEO would get banned by the indexes too.

Which for better or worse is a large portion of the modern internet.