We’ve added a page to our HTTP Gallery that provides an introduction to Ajax and some simple working examples. The new page is available here:
http://www.httpwatch.com/httpgallery/ajax/
BTW, you can view the AJAX requests made by this page using the free Basic Edition of HttpWatch.
Have you ever been to a web site and seen this?
This warning is triggered in IE if it is displaying a secure HTTPS page that has caused a non-secure (i.e. HTTP based) resource to be downloaded. The message box doesn’t allow the user to control whether the non-secure content should be downloaded, only whether it should be displayed.
This […]
Web 2.0 is a term often used to describe next generation web sites that have moved beyond the simple page request->process->response cycle and are utilizing services on the web server to return data that can be rendered without making page transitions. The result is often a more responsive user interface that closely mimics a desktop application.
The […]
A common question we hear from our customers is “What is the Blocked time in HttpWatch and why are we seeing some much of it?”
The Blocked time in HttpWatch is shown as a gray block at the start of a request:
We measure this time by looking at the time interval between these two events:
The point […]
Web developers are becoming more aware of the performance penalties of page bloat and as we covered in our previous posts there are ways to mitigate this, compression being just one.
However, one of the causes of poor performance that is often overlooked is the transmission time taken to upload data to the server. Although, HTTP request […]
In practice, you only need two settings to optimize caching:
Don’t cache HTML
Cache everything else forever
“Wooah…hang on!”, we hear you say. “Cache all my scripts and images forever?“
Yes, that’s right. You don’t need anything else in between. Caching indefinitely is fine as long as you don’t allow your HTML to be cached.
“But what about if I […]
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