#performance
Speed, page weight and Core Web Vitals.
2026
Load average 14, and the CPU was mostly idle
PostmortemOne of our Macs crawled, with load readings up to 30 and eight agent sessions open. We blamed the cores. Measured at a load of 8 to 14, they were 68 to 80% idle. The memory had run out, and our first fix watched the wrong number.
A thousand synthetic finger drags
Deep diveA bot playing our iOS puzzle game through real touch events caught SwiftUI dropping finger positions whenever a frame ran late, turning a +672 chain into +80. It also caught a Release build that no longer compiled.