LoadStorm™ is a SaaS web performance testing tool utilizing Amazon’s EC2 cloud. Storm your site with 5 to 50,000+ concurrent users. Get reports and graphs showing how your site holds up through the storm. Free subscription for 25 virtual users

  • Easy to build test scenarios & run very large tests.
  • Guaranteed lowest price. Unlimited test runs.
  • No license or maintenance fee. No hardware to buy.

Save Money

TypeMonthlyMax Concurrent Users

5 types of LoadStorm accounts

Breeze FREE (forever) 25
Gust $19.99 100
Tornado $99.95 500
Hurricane $999.50 5,000
Cyclone $4,997.50 25,000

Only a one month commitment. Cancel at any time. Less than half the cost of our nearest competitor. Many cloud testing tools claim to be “affordable” – please compare any tool with LoadStorm. What about open source? Is it cheaper than $0.02 per user? What is your time worth?

Try it free – no risk, no credit card info.

Get Results

Easy to build your test scenarios without coding scripts – just point to the domain you wish to test and add steps one at a time. Simplified user interface that greatly reduces learning curve.

  • Unlimited test plan creation.
  • Graphs updated in real-time during tests.
  • Each request, response, & error captured in reports or CSV.
  • Upload your test user files for logins or registrations.
  • Multiple scenarios to reflect actual user types & real traffic patterns (ratios).
  • Submit form data to your server.
  • Identify slowest pages, timeouts, and status codes.
  • No scripting language to learn.
  • No software download or install.

Create a free account and give it a try. You have nothing to lose.

Happy Customers


LoadStorm now has over 4,000 customers! We are proud to be helping so many people with their web performance.

“LoadStorm was a fast, easy, thorough, and cost-effective way for Silicon Alley Insider to load test a major relaunch. Load-testing in the cloud was a great solution and LoadStorm a dream partner.” – Julie Hansen, COO, Publisher, The Business Insider.

“What a killer utility…I’m totally impressed. LoadStorm is a freakin’ cool product!” – Owen Chastain, Executive, Chastain Technology, LLC.

“The best part about LoadStorm is the people behind the product. It’s so refreshing to find LoadStorm is not another faceless, fly-by-night Internet application. Not only did the product work as advertised, but the personal contact and service with the actual application leads has been unprecedented. It makes you believe in the Internet again. Thanks again for a great product.” – Drew Clark, Information Services Specialist, Ohio School Boards Association

“With its very low cost and ease of use, LoadStorm is creating a new possibility for load testing: test early and continue to test often. We see this as an important new paradigm for companies deploying high-traffic Web-based applications.” – Pete Dignan, President, ProtoTest

More clients lavishing praise on LoadStorm

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