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Wednesday, September 09, 2009 9:16 PM

Microsoft Doloto Performance Optimization Tool

Ben Livshits and Emre Kiciman of Microsoft Research have released the Doloto performance-optimization tool . This cool tool enables web developers to optimize page-load time by ensuring that pages only pull in the JavaScript functions they need. Mentioned
Posted by EricLaw | 0 Comments
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Monday, July 27, 2009 5:49 PM

Bugs in IE8's Lookahead Downloader

Internet Explorer has a number of features designed to render pages more quickly. One of these features is called the "lookahead downloader" and it's used to quickly scan the page as it comes in, looking for the URLs of resources which will be needed
Posted by EricLaw | 80 Comments
Monday, July 20, 2009 9:10 PM

Unshackling IE8 Performance

In general, IE8 is a significantly faster browser than prior versions. We made a number of major investments throughout the browser’s code to help ensure that IE users will have a great real-world experience on the web. However, it is definitely the case
Posted by EricLaw | 28 Comments
Monday, July 20, 2009 3:52 PM

Internet Explorer's Cache-Control Extensions

Some time ago, I wrote a summary of how Internet Explorer’s cache works . At the time, I left out mention of the two cache-control directives introduced by IE5: pre-check and post-check . These directives enable a “background update” mechanism where a
Posted by EricLaw | 2 Comments
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Wednesday, June 17, 2009 6:31 PM

Vary with Care

This content was previously published elsewhere . I'm copying it here for broader visibility. About the Vary Response Header As described in the HTTP/1.1 specification ( RFC2616 ), the Vary response header allows a cache to determine if a cached (still
Posted by EricLaw | 8 Comments
 
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