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<?xml-stylesheet type="text/xsl" href="http://blogs.msdn.com/utility/FeedStylesheets/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>IE7 CPU spike and AJAX extensive web sites</title><link>http://blogs.msdn.com/b/junfeng/archive/2006/10/30/ie7-and-ajax-extensive-web-sites.aspx</link><description>[Update: After discussion with IE team, I revised my article as following.] 
 
 When visiting some AJAX extensive web sites, IE7 may cause temporary CPU spike. 
 
 I have discussed this with the IE and Anti-Phishing team and they are investigating</description><dc:language>en-US</dc:language><generator>Telligent Evolution Platform Developer Build (Build: 5.6.50428.7875)</generator><item><title>re: IE7 CPU spike and AJAX extensive web sites</title><link>http://blogs.msdn.com/b/junfeng/archive/2006/10/30/ie7-and-ajax-extensive-web-sites.aspx#1375838</link><pubDate>Thu, 28 Dec 2006 23:13:23 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:1375838</guid><dc:creator>cmaloney</dc:creator><description>&lt;p&gt;Does MicroSoft plan on fixing this bug?&lt;/p&gt;
&lt;div style="clear:both;"&gt;&lt;/div&gt;&lt;img src="http://blogs.msdn.com/aggbug.aspx?PostID=1375838" width="1" height="1"&gt;</description></item><item><title>re: IE7 CPU spike and AJAX extensive web sites</title><link>http://blogs.msdn.com/b/junfeng/archive/2006/10/30/ie7-and-ajax-extensive-web-sites.aspx#1228328</link><pubDate>Thu, 07 Dec 2006 05:23:56 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:1228328</guid><dc:creator>Jeff JOnes</dc:creator><description>&lt;p&gt;I'm experiencing 100% CPU using IE 7 also. IE 7 goes to 100% CPU when I visit a page then try to refresh and the page or service doesn't respond. &amp;nbsp;I'm developing dynamic applications that connect to hardware that is occasionally connected where the services start and stop. &amp;nbsp;If I refresh a page that I was viewing and the service has stopped rather than saying page not found immediatly the CPU goes to 100% this happens when I try to refresh pages that no longe exist. I don't know how the phishing filter works but imagine it may not like urls that are occasionally online and then disappeare and reappear.&lt;/p&gt;
&lt;div style="clear:both;"&gt;&lt;/div&gt;&lt;img src="http://blogs.msdn.com/aggbug.aspx?PostID=1228328" width="1" height="1"&gt;</description></item><item><title>re: IE7 CPU spike and AJAX extensive web sites</title><link>http://blogs.msdn.com/b/junfeng/archive/2006/10/30/ie7-and-ajax-extensive-web-sites.aspx#1088248</link><pubDate>Thu, 16 Nov 2006 22:21:10 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:1088248</guid><dc:creator>giafly</dc:creator><description>&lt;p&gt;This &amp;quot;spike&amp;quot; can actually be over a minute at 90%+ CPU while IE7's memory useage explodes.&lt;/p&gt;
&lt;p&gt;The problem seems to be with pages that use Ajax to replace link URLs dynamically.&lt;/p&gt;
&lt;div style="clear:both;"&gt;&lt;/div&gt;&lt;img src="http://blogs.msdn.com/aggbug.aspx?PostID=1088248" width="1" height="1"&gt;</description></item><item><title>re: IE7 CPU spike and AJAX extensive web sites</title><link>http://blogs.msdn.com/b/junfeng/archive/2006/10/30/ie7-and-ajax-extensive-web-sites.aspx#972123</link><pubDate>Sun, 05 Nov 2006 12:14:02 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:972123</guid><dc:creator>hihidogtw</dc:creator><description>&lt;p&gt;I can see it now. Microsoft blogger says &amp;quot;Turn off our Phishing Tool&amp;quot; Not sure this is a great idea!&lt;/p&gt;
&lt;p&gt;www.asia007.com.tw&lt;/p&gt;
&lt;div style="clear:both;"&gt;&lt;/div&gt;&lt;img src="http://blogs.msdn.com/aggbug.aspx?PostID=972123" width="1" height="1"&gt;</description></item><item><title>re: IE7 CPU spike and AJAX extensive web sites</title><link>http://blogs.msdn.com/b/junfeng/archive/2006/10/30/ie7-and-ajax-extensive-web-sites.aspx#905770</link><pubDate>Tue, 31 Oct 2006 10:30:05 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:905770</guid><dc:creator>dotNet Junkie</dc:creator><description>&lt;p&gt;While it's rather annoying to this bug in IE 7, I'd like to thank Junfeng for posting a workaround. At least we see an honest piece of information, much better than trying to remain silent while us users suffer!&lt;/p&gt;
&lt;div style="clear:both;"&gt;&lt;/div&gt;&lt;img src="http://blogs.msdn.com/aggbug.aspx?PostID=905770" width="1" height="1"&gt;</description></item><item><title>re: IE7 CPU spike and AJAX extensive web sites</title><link>http://blogs.msdn.com/b/junfeng/archive/2006/10/30/ie7-and-ajax-extensive-web-sites.aspx#905478</link><pubDate>Tue, 31 Oct 2006 07:43:28 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:905478</guid><dc:creator>Anonymous</dc:creator><description>&lt;p&gt;You should be ashamed whats the point of having a phishing filter and touting that as a *Feature* if it requires to be turned off ...sigh didn't expect from an MS employee.&lt;/p&gt;
&lt;div style="clear:both;"&gt;&lt;/div&gt;&lt;img src="http://blogs.msdn.com/aggbug.aspx?PostID=905478" width="1" height="1"&gt;</description></item><item><title>re: IE7 CPU spike and AJAX extensive web sites</title><link>http://blogs.msdn.com/b/junfeng/archive/2006/10/30/ie7-and-ajax-extensive-web-sites.aspx#905404</link><pubDate>Tue, 31 Oct 2006 06:58:30 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:905404</guid><dc:creator>Blake Handler</dc:creator><description>&lt;p&gt;Sheesh -- I can see it now. Microsoft blogger says &amp;quot;Turn off our Phishing Tool&amp;quot; Not sure this is a great idea!&lt;/p&gt;
&lt;div style="clear:both;"&gt;&lt;/div&gt;&lt;img src="http://blogs.msdn.com/aggbug.aspx?PostID=905404" width="1" height="1"&gt;</description></item><item><title>re: IE7 CPU spike and AJAX extensive web sites</title><link>http://blogs.msdn.com/b/junfeng/archive/2006/10/30/ie7-and-ajax-extensive-web-sites.aspx#905373</link><pubDate>Tue, 31 Oct 2006 06:38:30 GMT</pubDate><guid isPermaLink="false">91d46819-8472-40ad-a661-2c78acb4018c:905373</guid><dc:creator>Sean</dc:creator><description>&lt;p&gt;Uh. Is that really the best option?&lt;/p&gt;
&lt;p&gt;Why not add those sites to the collection of trusted sites rather than create a potential security violation sine the phishing filter applies to all sites I visit.&lt;/p&gt;
&lt;p&gt;I'd also feel bad if I was part of the IE7 team and one of the first suggestions I saw was to shut off the feature I implemented ;)&lt;/p&gt;
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