Browsing: Web Performance

The CPU Performance API can help websites select an initial interface profile based on CPU performance tiers. Combined with the Compute Pressure API, it can reduce effects and background tasks when the CPU is under load, but a fallback is still necessary because support remains uneven.

HTTP/3 hosting is not just about opening another UDP port. You need to test QUIC, keep HTTPS over TCP for HTTP/2 fallback, and measure each protocol separately before evaluating performance.