New protocols speed up site loading.
HTTP/2
- Multiplexing — many requests on one connection
- Header compression
- Server push
HTTP/3
- Built on UDP (QUIC)
- Lost packets don't block others
- 0-RTT — fast resumption
On Sayt.uz
HTTP/2 is enabled on Tas-IX and MIR. HTTP/3 is rolling out on new servers.
Check
Browser DevTools → Network → "Protocol" column.