TIL about the upcoming browser long tasks API - this one's actually very useful; getting stack traces for long tasks was non-trivial before
Ohey cool, so this uses the PerformanceObserver API - hadn't seen this mentioned anywhere on MDN before https://developer.mozilla.org/en-US/docs/Web/API/PerformanceObserver …
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Ohey, even more specs - the Paint Timing API will (most likely) expose "time to first meaningful paint" soon - neat! https://github.com/WICG/paint-timing …
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Ok, came up with a 3rd iteration on choo's performance measurement API design. Hope it makes sense C: https://github.com/yoshuawuyts/choo/issues/512 …
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