[Webkit-unassigned] [Bug 172229] Web Inspector Slow Initial Loading

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=172229

Brian Burg <bburg at apple.com> changed:

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                 CC|                            |bburg at apple.com

--- Comment #1 from Brian Burg <bburg at apple.com> ---
(In reply to Chris Chiera from comment #0)
> Created attachment 310415 [details]
> Console Errors during issue
> 
> I've had an issue for a while now. Unfortunately not sure exactly when this
> started. I'd say at least a year ago, perhaps when Sierra was released but
> that just a guess. I've mostly only used Chrome Inspector, so hasn't been an
> issue but now using Safari Inspector more and hoping to finally get to the
> bottom of it.
> 
> When opening any website let's say apple.com in a tab, the website loads
> nearly instantly on my 220mbps connection. If I then open the web inspector
> the inspector it blank for several seconds. Maybe 4 seconds on my iMac, and
> more like 8 or seconds on my MBP, at which time then it loads normally. If I
> keep inspector open new webpages will load in the inspector instantly. But
> if I open I close and reopen the inspector or in a new window the same issue
> will happen again.
> 
> Chrome inspector loads instantly each time.
> 
> To note, this issue applies to Safari, Safari Preview and Webkit Nightly. It
> applies to the Sierra beta and applies to the latest stable stable Sierra
> release. It also happens on any computer such as my iMac 5K (32gb), MBP
> (16gb) with Touchbar, and a MacBook. Also happens whether using regular or
> incognito as well as if all extensions are disabled. 
> 
> When using my partner's MacBook the issue does not occur. I created a new
> account on their computer, logged into my apple id, and at first it didn't
> happen but then shortly after, the issue also happens on their computer when
> i'm logged into my account. I even reinstall MacOS on my iMac, at first
> issue didn't happen been then very shortly after started again that day.
> 
> So it definitely seems the issue is unique to my iCloud account, in that
> iCloud is syncing  some setting(s), that are causing this slow inspector
> loading issue. Is there some special cache I can delete to potentially
> resolve this issue? 
> 
> I opened Console, replicated the issue, and copying the results of Console
> here incase that helps. That was taken on my iMac running Sierra beta, but
> once again this can be replicated on Webkit and stable Mac.

Can you file a bug at bugreport.apple.com, then email me or paste the radar id here? While issue this affects your usage of Web Inspector, I think we are unlikely to make progress on this without a sysdiagnose, which is not something you'd want to post on Bugzilla. If this ends up not being a WebKit issue, then we will be able to route your report to the responsible team.

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