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.
If you’re tuning a web page’s performance there are two types of visitors that you need to be concerned about:
A new visitor to your site who won’t have any of your pages, scripts, CSS or images in their browser cache.
An existing user of your site who will have your cacheable pages, scripts, CSS or images in […]
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 […]
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 […]
Usability studies have shown that 60% of users rely on the back button as their primary means of navigating around the web (source: Usability Interface). In fact, several studies have shown that the back button is second only to clicking on links as the most used feature on the web (source: Web Usability research). So […]
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