{"id":15551,"date":"2017-06-30T03:55:44","date_gmt":"2017-06-30T03:55:44","guid":{"rendered":"https:\/\/www.dotcom-tools.com\/blog\/?p=15551"},"modified":"2025-12-21T16:41:13","modified_gmt":"2025-12-21T22:41:13","slug":"load-vs-stress-testing","status":"publish","type":"post","link":"https:\/\/www.dotcom-tools.com\/web-performance\/load-vs-stress-testing\/","title":{"rendered":"Load vs. Stress Testing: What’s the Difference?"},"content":{"rendered":"

Load vs Stress Testing: What’s the Difference?<\/h1>\n

We tend to use the terms \u201cLoad Testing\u201d and \u201cStress Testing\u201d interchangeably. The stakeholders on the business side of your company probably think they\u2019re the same thing. They\u2019re not. But they do have a couple of basic similarities \u2013 they both hit your system with lots of virtual users to see how it holds up. And both types of tests can be conducted with a Load Testing solution, such as Dotcom-Monitor\u2019s LoadView<\/a>.<\/p>\n

Performance Testing Goals<\/h2>\n

So what\u2019s the point? In a Load Test, the goal is to see how the system will behave under heavy traffic. After a product launch or on a big shopping day like Cyber Monday<\/a>, your website will be visited by a lot more users than usual. To make sure all web applications<\/a> are fully functioning, you can monitor those features. A load test emulates this traffic so you can see how your servers and software handle the extra load. This way you can find out if there will be lag, or if images won\u2019t load properly \u2013 and then take steps to fix that before the big day so you don\u2019t lose sales.<\/p>\n

\"\"<\/p>\n

The goal of a Stress Test is to break the system. Not to embarrass your IT Department, but to see if the system can handle the situation gracefully. During a denial of service attack or other circumstance that can cause a crash, your system should fail and recover gracefully so you can be back up and running as quickly as possible.<\/p>\n

Load & Stress Testing Methodology<\/h3>\n

In a Load Test, you\u2019ll record test scripts that mimic typical user behavior like adding items to a shopping cart and checking out. You\u2019ll increase the number of virtual users in a controlled, realistic manner.<\/p>\n

For Stress Testing, you can run the test scripts from your Load Test and increase the number of virtual users in a less predictable manner. For example, you could start with a typical number of users, then double it, then double it again and so on until the system fails.<\/p>\n

What Makes a Successful Test?<\/h3>\n

Load Testing makes sure that your system is ready for your business\u2019 success. With Load Testing, you\u2019re looking at speed. Customers can take their business elsewhere instead of waiting for product photos to load. A successful Load Test shows that your website or system won\u2019t slow down significantly when it sees heavy traffic.<\/p>\n

Stress Testing makes sure that your system is ready for technical failure. You\u2019ll be looking at behavior instead of speed. In a successful website stress test<\/a>, your system will save its state before failing, display error messages to the user and log them (instead of freezing), and recover from the last good state upon restart.<\/p>\n

Do I Have to Do Both?<\/h4>\n

Yes. It should be easy to convince budget-conscious, non-techie executives that Load Testing is critical to your business\u2019 success. Everyone has gotten frustrated by lag at one point or another.<\/p>\n

Everyone has also experienced the type of failure a Stress Test is meant to prepare you for. Only they don\u2019t realize it. You experience it every time your word processing software presents you with a recovered version of the unsaved document you were working on when your PC crashed. You worried about all the work you\u2019ll have to redo and then you discover that you didn\u2019t lose much work, if any. That\u2019s because the word processing software failed gracefully.<\/p>\n

If you don\u2019t Stress Test, you risk losing customers\u2019 orders \u2013 a lot more disastrous than having to redo a document from scratch.<\/p>\n

To learn more about load testing refer to the “Learn” section<\/a> found on LoadView-Testing.com.<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

We tend to use the terms “Load Testing” and “Stress Testing” interchangeably. <\/p>\n","protected":false},"author":5,"featured_media":15564,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[36,40],"tags":[10,67],"yoast_head":"\r\nLoad vs Stress Testing: What's the Difference? - Dotcom-Tools<\/title>\r\n<meta name=\"description\" content=\"We examine the question - Load vs Stress Testing: What's the Difference? 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