@wycats http://jankfree.org has a link to a talk from Google IO where they demonstrate the tracing tool. Shows the reasons a layer exists
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@mixonic link to the specific talk? -
@wycats Canada travels dropped my Internet. This talk https://developers.google.com/events/io/sessions/325933151 … and some docs http://www.chromium.org/developers/how-tos/trace-event-profiling-tool … http://www.chromium.org/developers/how-tos/trace-event-profiling-tool/trace-event-reading#TOC-Navigating-the-Tracing-View …
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@wycats@canuckistani copying you - it's the "show me which element/style caused it" layer/paint tool quandary, the biggest problem to solveThanks. Twitter will use this to make your timeline better. UndoUndo
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@wycats I'm just saying that hovering rects shows cause/effect repaints. Recording timeline and hovering paint record shows its dimensionsThanks. Twitter will use this to make your timeline better. UndoUndo
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@wycats position:absolute & overflow:scroll on the container DIV might trigger page-wide repaints upon scrolling (snap.js for ex. does that)Thanks. Twitter will use this to make your timeline better. UndoUndo
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@wycats such as what kind of CSS rule for instance. In practice it remains a pretty under documented debugging process.Thanks. Twitter will use this to make your timeline better. UndoUndo
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