# Frontend Performance
SPDY is the core part of HTTP/2 protocol, many of the http/2 protocol techniques are part SPDY. SPDY(speedy) is a network protocol which manipulates http protocol by compressing headers, predicting clients requests(example discussed below) and other techniques, to fasten web experience. SPDY was developed by Google.
# Cross platform Mobile applications
using Flutter, as it supports both JIT and AOT compilation
| Parameter | Flutter | React-Native |
|---|---|---|
| Performance | wins dut to JIT support | looses |
| DX | new plang DART | decision fatigue due to tooling |