Safe Browsing in Firefox is nothing more than a flat list of malware-laden sites your browser downloads. It compares your current site against the list to warn

Safe Browsing in Firefox is nothing more than a flat list of malware-laden sites your browser downloads. It compares your current site against the list to warn you if a match occurs. It does nothing else whatsoever. Even the most basic search of technical details would show that. Firefox code is also open to be read.