[Webkit-unassigned] [Bug 247782] Very slow DOM rendering of large (plain text/json) URLs

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Nov 11 12:44:03 PST 2022


https://bugs.webkit.org/show_bug.cgi?id=247782

--- Comment #5 from Vladimir Prelovac <vprelovac at gmail.com> ---
(In reply to zalan from comment #4)

> There's a visual indicator. It's a reddish glow (text-shadow) around the
> inline content when enabled through Safari's Debug menu (Debug -> Layout
> flags -> show legacy line layout coverage)


This is interesting, thanks for sharing the tip.

I can notice that a fairly large txt file gets rendered enterly through modern path (and fast)

https://www.gutenberg.org/files/28054/28054-0.txt

But legacy path is not exclusive to .json, as for example this also renders through modern:

https://tools.learningcontainer.com/sample-json.json

Hope that helps a bit!

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