Last modified: 2012-10-24 16:37:11 UTC

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Bug 17294 - hover pseudo-class for TablePager causes slowdown in IE7
hover pseudo-class for TablePager causes slowdown in IE7
Product: MediaWiki
Classification: Unclassified
General/Unknown (Other open bugs)
All Windows XP
: Low normal (vote)
: ---
Assigned To: Nobody - You can work on this!
: performance, testme
Depends on:
Blocks: 640
  Show dependency treegraph
Reported: 2009-01-31 23:13 UTC by RockMFR
Modified: 2012-10-24 16:37 UTC (History)
2 users (show)

See Also:
Web browser: Internet Explorer
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Description RockMFR 2009-01-31 23:13:14 UTC
The following line in monobook/main.css causes high CPU usage in Internet Explorer 7:

.TablePager tr:hover td { background-color: #eeeeff }

As far as I can see, this is used primarily on Special:ListFiles. However, it will cause slowdown on all pages, especially large ones. When scrolling down and hovering over links on <>, it is quite noticeable.

Removing the aforementioned CSS rule fixes the problem.
Comment 1 Siebrand Mazeland 2009-06-04 11:08:38 UTC
Update Web browser.
Comment 2 Siebrand Mazeland 2009-06-04 11:35:37 UTC
Adding testme. Please test with Internet Explorer 8 and note the result here.
Comment 3 Andre Klapper 2012-10-24 16:37:11 UTC
(In reply to comment #0)
> The following line in monobook/main.css causes high CPU usage:
> .TablePager tr:hover td { background-color: #eeeeff }

That line does not exist anymore in;a=blob;f=skins/monobook/main.css;h=5866d97d041f6dd6114a9578c8383a2c1e02f4b5;hb=HEAD

Hence closing as WORKSFORME, but please add a comment if this is still somehow reproducible.

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