HttpWatch includes automation samples in C# and in a previous post we used C# to create simple empty cache and primed cache tests. However, a number of customers have recently asked how they can get started with HttpWatch and VB.Net. To use Visual Basic simply follow these steps:
1. Create a VB.Net Project
In Visual Studio create a new console […]
Tip #1: Be Aware of PNG Limitations in Internet Explorer
The Portable Network Graphic (PNG) format is well supported by modern browsers (e.g. IE 6+, Firefox 1+ and Opera 5+), except for two issues with Internet Explorer:
Graphics tools like Adobe Photoshop save a Gamma correction table in the PNG file that is designed to allow for differences […]
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 […]
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 […]
Version 5.3 includes printing, print preview, support for IE 8 Beta 1 and several other fixes. The version history contains a detailed list of the changes.
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