https://performance.dev/ 2026-05-09T13:32:55.268Z weekly 1.0 https://performance.dev/manifesto yearly 0.5 https://performance.dev/how-linear-feels-instant 2026-05-07T04:05:04.588Z monthly 0.8 https://performance.dev/why-speed-is-a-feature 2026-04-25T18:38:50.022Z monthly 0.8