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

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Bug 17294 - hover pseudo-class for TablePager causes slowdown in IE7


Summary:	hover pseudo-class for TablePager causes slowdown in IE7

Status:	RESOLVED WORKSFORME

Product:	MediaWiki
Classification:	Unclassified
Component:	General/Unknown (Other open bugs)
Version:	1.15.x
Hardware:	All Windows XP

Importance:	Low normal (vote)
Target Milestone:	---
Assigned To:	Nobody - You can work on this!

URL:
Whiteboard:
Keywords:	performance, testme

Depends on:
Blocks:	640
	Show dependency tree / graph

Reported:	2009-01-31 23:13 UTC by RockMFR
Modified:	2012-10-24 16:37 UTC (History)
CC List:	2 users (show)

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

Attachments
Add an attachment (proposed patch, testcase, etc.)

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 <http://en.wikipedia.org/wiki/Wikipedia:Deletion_review>, 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
https://gerrit.wikimedia.org/r/gitweb?p=mediawiki/core.git;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.

Wikimedia Bugzilla is closed!

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