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WebLOAD is a cloud-based and on-premise website performance testing tool designed to help businesses create, run and manage test environments for a variety of technologies, websites and applications. The platform enables organizat...Read more about WebLOAD

4.3 (8 reviews)


Loadster is a cloud-hybrid load testing tool for performance testing websites, web applications, and APIs. Record scripts in your browser with the Chrome or Firefox within various browsers like Chrome or Firefox using extensions,...Read more about Loadster

5.0 (5 reviews)


Mabl is an intelligent test automation platform for Agile teams. It’s a SaaS solution that integrates automated end-to-end testing into the end-to-end development lifecycle. It has never been easier to create, execute, and maintai...Read more about mabl


BlazeMeter is a load testing solution designed to help businesses create and run functional, performance and API tests on a unified platform. The open-source application offers a reporting and analytics tool, which allows IT profe...Read more about BlazeMeter


TestBench is a load testing solution designed to help testers, developers and product owners create, conduct and evaluate test sessions. Administrators can create or update existing test cases to define requirements, assign tasks ...Read more about TestBench

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LoadUI Pro is a cloud-based solution that helps businesses of all sizes conduct load, stress and endurance tests for API frameworks, microservice architecture and databases. It enables IT professionals to use the predefined functi...Read more about ReadyAPI

4.6 (5 reviews)


WAPT is a cloud-based load testing tool, which helps QA professionals assess the performance of web and mobile applications, REST APIs, databases and server components accessible over HTTP. Features include error handling, pass/fa...Read more about WAPT

5.0 (2 reviews) is a performance testing solution that helps businesses create test scenarios and automatically generate test reports on a unified platform. With the distributed load testing functionality, administrators can create ...Read more about

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k6 is a cloud-based load testing tool designed to help software engineers monitor and test the performance of APIs and microservices. The application enables developers to build test cases, validate the working of APIs for traffic...Read more about

5.0 (3 reviews)


Loadmill is a load testing software designed to help businesses across the IT sector record and replay application interactions to automate backend regression testing processes. The solution enables R&D teams to create and execute...Read more about Loadmill

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LoadRunner Cloud

LoadRunner Cloud is a load testing solution that provides businesses with performance engineering tools to plan and run load tests across the system. Professionals can benchmark multiple data metrics from old or existing test runs...Read more about LoadRunner Cloud

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Loadero uses Selenium web browser automation to simulate real user interaction with the tested application. This allows detailed test configuration – each test participant's browser version, location, different network conditions,...Read more about Loadero


NeoLoad is a load testing software that provides DevOps teams with tools to design and conduct code-less performance tests for complex applications. Developers can run automated API tests as codes and utilize CI/CD tools to analyz...Read more about NeoLoad

4.7 (3 reviews)


LoadNinja is a load testing platform that enables organizations to streamline processes related to no-code test script creation, correlation management, performance issue diagnoses, and CI/CD integrations on a centralized platform...Read more about LoadNinja

5.0 (1 reviews)

Gatling Enterprise

Gatling FrontLine allows users to run simulations to load test their products. The system allows benchmarking, load testing, mobile testing, regressive testing, and web testing. Graphs and charts can also help users identify areas...Read more about Gatling Enterprise

5.0 (2 reviews)


LoadView is a load testing solution that helps DevOps teams manage load testing for web applications, third-party services, APIs, websites and streaming media. The platform supports various mobile/desktop browsers and devices like...Read more about LoadView

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HyperTest is an automated API testing tool that provides coverage across an app with API coverage reports. It enables teams to catch regressions with autogenerated integration tests and to detect data errors, contract failures, st...Read more about HyperTest

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Overview: Apica is a leading provider of innovative software solutions in the observability space, designed to revolutionize how businesses gain insights into their systems and applications. Apica is an operational Data fabric tha...Read more about Apica

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BrowserStack is the leading test platform built for developers & QAs to expand test coverage, scale, and optimize testing. BrowserStack is used by teams and organizations of all sizes - whether testing manually, starting test auto...Read more about BrowserStack

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Buyers Guide

Last Updated: March 16, 2023

Have you ever tried to buy something on an ecommerce site during a blowout sale and experienced the site crashing? If so, the ecommerce site may have benefited from load testing software to ensure it could handle a large volume of users.

Load testing is a type of performance testing for applications that enables developers to see how a site will perform. Load testing can measure things such as page load speed and lags when many customers try to use your app or site at the same time. It can also measure how the system performs with large data requests or data transfers.

In this guide, we’ll cover:

What is load testing software?

Load testing software enables you to perform load testing on your software applications to measure the system's behavior when handling different amounts of activity. Essentially, this type of software simulates an environment with a large number of users, and allows organizations to understand what applications are performing well under a real-time user load.

Common features of load testing software

Load scenarios

Create scenarios that can be used to manage testing environments.

Performance testing

Check if your applications or web browsers are running as expected.

Testing scripts

Use pre-written scripts that simulate situations within each test.

API testing

Test specific APIs to determine if systems are properly functioning.

Bottleneck identification

Detect areas where test errors occur.

Mobile testing

Test the ability of mobile applications.


View and track metrics.

What type of buyer are you?

  • SaaS companies: Load testing is most commonly used by software developers. Any company that develops or maintains an application would be advised to use load testing software, especially those that want to scale and grow their companies.

  • Ecommerce companies: Ecommerce companies that expect a large volume of sales may also want to invest in load testing software to ensure they don’t suffer any downtime issues that could lead to poor customer experience and prevent repeat purchases.

Benefits and potential issues

There are three main benefits to using load testing software:

  • Save money: One of the primary benefits of load testing software is that it can save your company a large amount of money. When customers experience downtime on your app, it can translate to thousands of dollars lost per minute. If you can identify where bottlenecks or breaks will occur before you launch your app, then shore up your software to anticipate this issue, it can save your company money.

  • Protect your brand image: Load testing software helps protect against the poor customer experience and lost trust in your brand that can come from downtime. This perception might be difficult to quantify, but can severely harm your company’s success in the long run.

  • Know what it takes to scale: If you know your software or website’s limits, it can also help you understand what it takes to scale if you want to grow your company over time.

Ultimately, load testing software allows you to test how your application performs with a large number of users by creating a simulation, without actually having to recruit that many real users to test your platform. This can be beneficial when you’re launching new software or getting ready to scale your company.

Pricing and purchasing options

Free versus paid load testing: You may be wondering which is right for you: a free vs. paid load testing software platform. Both tools have their pros and cons. Open source load testing tools exist for free, but they may not have all the functionality or features you need. It’s also possible to do load testing manually if you’re tech savvy and are testing a small number of users (say 1 to 10) but for anything where you want to flood your system to test bottlenecks, you’ll most likely need to invest in paid load testing software.

Market trends to understand

  • More functionality means more load testing: As developers are able to create more solutions and better functionality through open source software and combining code from many different sources, they may not always know how this software will affect user experience in an app. It’s important to test how an app functions at the extreme end of the spectrum. It’s almost impossible to create this type of testing environment without cloud-based software that allows you to simulate a large amount of load.

  • Emphasis on better user experience: Tech professionals are continuing to emphasize the importance of good user experience and its impact on improved product adoption and retention. Performance testing, and especially load testing, is one of the ways you can help ensure a positive user experience for your product.