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Loader.io

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Loader.io vs Load Impact: What are the differences?

What is Loader.io? Simple Cloud-based Load Testing. Loader.io is a free load testing service that allows you to stress test your web-apps/apis with thousands of concurrent connections.

What is Load Impact? Performance testing platform for developers. It is performance testing platform brings performance testing to the developer’s turf. Developers of all skill levels are able to easily pick up manual testing with it and simply transition to the more modern principles of DevOps and performance testing automation.

Loader.io and Load Impact can be primarily classified as "Load and Performance Testing" tools.

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What is Load Impact?

It is performance testing platform brings performance testing to the developer’s turf. Developers of all skill levels are able to easily pick up manual testing with it and simply transition to the more modern principles of DevOps and performance testing automation.

What is Loader.io?

Loader.io is a free load testing service that allows you to stress test your web-apps/apis with thousands of concurrent connections.
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          What tools integrate with Load Impact?
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          What are some alternatives to Load Impact and Loader.io?
          Gatling
          Gatling is a highly capable load testing tool. It is designed for ease of use, maintainability and high performance. Out of the box, Gatling comes with excellent support of the HTTP protocol that makes it a tool of choice for load testing any HTTP server. As the core engine is actually protocol agnostic, it is perfectly possible to implement support for other protocols. For example, Gatling currently also ships JMS support.
          Apache JMeter
          It is open source software, a 100% pure Java application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions.
          Locust
          Locust is an easy-to-use, distributed, user load testing tool. Intended for load testing web sites (or other systems) and figuring out how many concurrent users a system can handle.
          BlazeMeter
          Simulate any user scenario for webapps, websites, mobile apps or web services. 100% Apache JMeter compatible. Scalable from 1 to 1,000,000+ concurrent users.<br>
          AWS Device Farm
          Run tests across a large selection of physical devices in parallel from various manufacturers with varying hardware, OS versions and form factors.
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          Decisions about Load Impact and Loader.io
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          How developers use Load Impact and Loader.io
          Avatar of StackShare
          StackShare uses Loader.ioLoader.io

          I don’t remember exactly how I heard about Loader.io. I think I was adding load testing services to Leanstack. I saw it was a SendGrid Labs project, so there would be competent people behind it. And since they had a Heroku Add-On it was easy to get started. Loader.io is cool because it’s super simple to set up.

          We have about 30 tests set up for different pages: loader.io setup

          When executing tests, you can see error rate and average response times. But we also check the Heroku logs to see if they are real errors.

          My biggest complaint: figuring out what load to set for your tests is difficult. We don’t understand the language they use and no one we’ve spoken to that has used Loader.io understands it either. We’ve been testing at 250 clients (maintain client load) for all of our tests on 2 dynos. That means a constant load of 250 people using the site over a minute, or so I thought. The number of requests at the end of the test suggests it’s more like 250 additional clients hitting the site every second for a minute. But I guess accommodating a higher load is better anyways? 250 concurrent users seems to be our average HN traffic spike so that’s why we went with that load.

          Avatar of Volkan Özçelik
          Volkan Özçelik uses Loader.ioLoader.io

          I use loader.io for distributed load testing.

          That especially matters when you have a cross-region load-balancer and you want to make sure how your app behaves on a global scale.

          How much does Load Impact cost?
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