Tag Archives: HttpWatch

Investigating the Network Performance Of Firefox 5

June 06th, 2011 - 5:24PM

Things are happening fast at Mozilla. Although Firefox 4 was only released three months ago, Firefox 5 is only days away from final release. We can also expect to see versions 6 and 7 later this year. One of the major performance related changes in Firefox 5 is an improvement in the way that keep-alive HTTP connections are re-used. Previously, there was a simple FIFO queue. So if Firefox ever tried to reuse a TCP connection it would simply use the connection that had been idle for the longest period of time. However, not all connections are equal. Connections that … Continue reading →

IE 9 – What’s Changed?

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 →

A Guide to Automating HttpWatch with PHP

March 03th, 2011 - 2:48PM

Stoyan Stefanov, the creator of smush.it, architect of YSlow 2.0 and engineer at Facebook, has written an excellent three part guide to controlling HttpWatch from PHP: Automating HttpWatch with PHP Automating HttpWatch with PHP #2 Automating HttpWatch with PHP #3 He’s even published a class that wraps the HttpWatch API and makes it easier to use from PHP. In the rest of this blog post we wanted to follow up on a few points mentioned in Stoyan’s blog posts. These items don’t just apply to PHP. You may find them useful when automating HttpWatch using other languages such as C# or Ruby. … Continue reading →