ChatGPT Not Working on Wi‑Fi? 9 Fixes (2026)
If ChatGPT won’t load or errors only on Wi‑Fi, the cause is usually DNS filtering, VPN/proxy rules, captive portals, or router/firewall blocking WebSockets/HTTP2. Use this checklist and step-by-step fixes (including router, DNS, IPv6/MTU, and browser cache layers) to restore access fast.