Browsers Treat Big Sites Differently — Chrome and Firefox Give Preferential Treatment to Top Domains
r/programming·low signal
A technical deep-dive (90 upvotes, 12 comments on r/programming) documents how browsers give preferential treatment to high-traffic websites through mechanisms like preconnect, DNS prefetch, and faster TLS resumption for known-popular domains. For builders, this means smaller sites face inherent performance disadvantages that no amount of server-side optimization can fully overcome.