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Information may be Out-of-Date

This page about deprecated software versions is shown for
reference purposes only. Information on this page is not
maintained and may no longer be valid.

Please find the latest manual for Webserver Stress Tool here:

Manual Webserver Stress Tool (pdf)

Additional Features

Additional Functions

Advanced Settings

Advanced URL Script Samples

Analyzing Graphical Results



Assign statements

Basic syntax

Browser Simulation

Calculation of Load and Load Pattern

Character strings

Chossing the URL Sequencing

Command Line Interface


Configuring Webserver Stress Tool

Consulting, Custom Versions of the Software


Creating Reports

Disclaimer of Warranty

Finding the Bottleneck of Your Test Setup

For Existing Websites

For New Websites

for statements

function and sub declaration


Graph Basics

Graph Click Times & Errors (per URL)

Graph Click Times, Hits/s and Clicks/s

Graph Hierarchy

Graph Open Requests and Traffic

Graph Protocol Times

Graph Server and User Bandwidth

Graph Spectrum of Click Times

Graph Test Client's Health

Graph's Context Menu

Hiding Graph Lines

How much load can Webserver Stress Tool generate?


if statements




Introduction: Testing Basics

Key Features

License/Usage Terms

Load Tests

Load-Testing SOAP Servers

Local IP Addresses to use


loop statements

Network Issues


OnAfterClick Samples


OnAfterRequest Samples


OnBeforeClick Samples


OnBeforeRequest Samples

Order by fax

Order by postal mail or telephone

Order online and pay by bank/wire transfer, check or cash

Order Online using a creditcard

Ordering Webserver Stress Tool

Other Features:

Performance Tests

Performance Tips&Tricks

Performance, Load or Stress Testing?

Playing With Numbers

Project/Scenario Comments, Operator

Purchase orders

Ramp Tests

Reading a TOKEN from a page and reusing it on subsequent requests

Recursive Browsing

Report (HTML)

Report (Word)

Results per URL

Results per User

Reviewing Logfile Results

Running Several Tests at Once

Running the Test

Script structure

Script Syntax for URL Scripts

select case statements

Selecting the Test Type and the Number of Users

Selecting the URLs or Editing the URL Script

Setting Program Options

Setting the Browser Simulation Parameters

Setting Up the Data Merging Feature

Software License and Contact Information

Stress Tests

Summary Log and Detailed Log



Test Client Issues

Test results can be viewed as

Test Type

Testing Elements

The Business View

The Technical View


Tutorial for Data Merging

Usage of the Graphs

Useful Books

Useful RFCs

User Logs

User Simulation

Using Custom URL Scripts for Advanced URL Sequences

Using Simple URL Sequences

Using the URL Recorder

Using Tokens


Webserver Stress Tool can be used for various tests

Webserver Stress Tool Features


Welcome to Webserver Stress Tool

When Should I Start Performance Testing?

while statements

Why testing?

Working with Different Test Scenarios

Zooming/Panning Graphs