“Saferoms” is likely a branded label used by an unauthorized redistributor, not a technical standard.
Join communities like r/Roms on Reddit and look for the "No-Intro" or "Redump" sets. They may not be "highly compressed," but they are the gold standard for safe, verified, playable games.
Minimal API endpoints
Not everyone has fiber internet. A 40GB PS3 game might take 12 hours on DSL. A highly compressed 10GB version takes 3 hours.
Sites branding themselves with "Safe" (like Saferoms) try to differentiate themselves from the pop-up-infested, malware-ridden forums of the early 2010s. Their pitch is usually: