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dholbert (Daniel Holbert)
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Sep 13 2017, 8:48 PM (456 w, 2 d)
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Recent Activity

Sep 18 2017

dholbert added a comment to T175866: Wikipedia triggers multiple 20ms+ browser hangs for restyles for separate "addEmbeddedCSS" calls.

I suppose [...] it should be safe to apply the later (unrelated) styles earlier as well. [...] I'll look into making this a bit smarter

Sep 18 2017, 11:46 PM · Performance-Team, MediaWiki-ResourceLoader

Sep 13 2017

dholbert added a comment to T175866: Wikipedia triggers multiple 20ms+ browser hangs for restyles for separate "addEmbeddedCSS" calls.

Here's a screenshot of Chrome's profiler UI for this pageload (showing only "rendering" samples).

Sep 13 2017, 9:58 PM · Performance-Team, MediaWiki-ResourceLoader
dholbert updated the task description for T175866: Wikipedia triggers multiple 20ms+ browser hangs for restyles for separate "addEmbeddedCSS" calls.
Sep 13 2017, 9:47 PM · Performance-Team, MediaWiki-ResourceLoader
dholbert added a comment to T175866: Wikipedia triggers multiple 20ms+ browser hangs for restyles for separate "addEmbeddedCSS" calls.

Here's a screenshot of the Firefox profiler UI, BTW, with me hovering the first of the blue restyle bars. As you can see, it shows "42ms Styles", and there are at least 5 such restyles shown in the profile.

Sep 13 2017, 9:15 PM · Performance-Team, MediaWiki-ResourceLoader
dholbert created T175866: Wikipedia triggers multiple 20ms+ browser hangs for restyles for separate "addEmbeddedCSS" calls.
Sep 13 2017, 9:10 PM · Performance-Team, MediaWiki-ResourceLoader