FAQ

We try to post all the common questions we get. Please click each question to see our response. If a question isn’t linked, that means we’re in the process of answering it, so please check back again soon. If your question isn’t answered here, you are always welcome to contact us and we’d be happy to respond right away.

Pricing Policy Questions

• How can you charge so little/so much?
• What is your refund policy?
• Do you offer discounts?

Scripting Questions

• Can I record arbitrary information with each transaction or step?
• Do you support changing the “hosts file”?
• How can I handle BASIC authentication?
• Do you support Flash/Flex?

Technology Questions

• What’s the difference between a Real Browser User and a Virtual User?
• Do real  browsers really matter?
• Is it the code or the network that is slow?
• What are virtual users?
• Which matters more: hits per second or concurrent users?

Test Planning Questions

• Should I test on production?
• How many users do I need?
• What is load testing vs. stress testing vs. performance testing?
• How long should my test run?
• What if I need more users than you can provide?

Comparison Questions

• How do you compare to JMeter/OpenSTA/etc?
• How do you compare to Selenium?
• How do you compare to commercial solutions?
• How do you compare to other on-demand solutions?

Performance Questions

• What affects application performance?
• How can I make my app faster?

Infrastructure Questions

• How do I run a load test against a website hosted in Amazon EC2?
• What if my app is only available internally?
• What are the IP addresses of your browsers?
• Where are your browsers physically located?

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