May 05th, 2011 - 11:51AM Now that IE 9 has been released and is widely used, we wanted to follow up on some of our previous IE related blog posts to see how things have changed. 1. Using a VPN Still Clobbers IE 9 Performance We previously reported about the scaling back of the maximum number of concurrent connections in IE 8 when your PC uses a VPN connection. This happened even if the browser traffic didn’t go over that connection. Unfortunately, IE 9 is affected by VPN connections in the same way: There is a subtle difference though. IE 8 would dynamically change it’s … Continue reading
Posted on May 05, 2011 in
HTTPS,HttpWatch,Internet Explorer,Javascript
Tags: HttpWatch,IE 9,Javascript
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November 11th, 2008 - 9:00AM Our blog post ‘Test Drive of the Google Hosted Ajax Libraries‘ looked at using Google’s CDN (Content Delivery Network) to serve up commonly used libraries such as jQuery and Prototype. One significant advantage, that we found, was that downloading a library from a different hostname (i.e. ajax.googleapis.com) helps to avoid the HTTP connection limiting behavior that causes blocking in browsers: There are other significant advantages to using Google hosted libraries: The libraries are hosted on Google’s high speed global network providing fast access from most locations world wide HTTP compression minimizes the size of the download Minimized versions of the each library are … Continue reading
Posted on November 11, 2008 in
HTTP,HTTPS,HttpWatch,Javascript,Optimization
Tags: Google,HttpWatch,Javascript
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July 07th, 2008 - 3:00PM The recently announced Google Ajax Libraries API caught our attention because it offers some significant performance improvements if you use a popular Javascript library (e.g. JQuery, prototype, script_aculo_us, MooTools or dojo) on your site. You can now reference these libraries at Google rather than having to host your own copy. The benefits of this approach are: The libraries are hosted on Google’s high speed global network providing fast access from most locations world wide HTTP compression minimizes the size of the download Minimized versions of the each library are available to further reduce download size The library that your site uses may already … Continue reading
Posted on July 07, 2008 in
Caching,HttpWatch,Javascript,Optimization
Tags: Google,HttpWatch,Javascript,jQuery
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