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Performance Testing is the process of determining the speed, effectiveness, reliability, scalability and interoperability of the system, computer, network, program or application. The process can also check two or more application to compare system speed, data transfer rate, bandwidth, efficiency, and reliability.

Below is a hand-picked list of Top Web Performance Testing Tools-

1) LoadNinja

LoadNinja by SmartBear allows you to quickly create scriptless sophisticated load tests, reduce testing time by 50%, replace load emulators with real browsers, and get actionable, brower-based metrics, all at ninja speed. You can easily capture client-side interactions, debug in real time, and identify performance problems immediately. LoadNinja empowers teams to increase their test coverage without sacrificing quality by removing the tedious efforts of dynamic correlation, script translation, and script scrubbing. With LoadNinja, engineers, testers and product teams can focus more on building apps that scale and less on building load testing scripts.


  • Scriptless load test creation & playback with InstaPlay recorder
  • Real browser load test execution at scale
  • VU Debugger – debug tests in real time
  • VU Inspector – manage virtual user activity in real time.
  • Hosted on the cloud, no server machine & upkeep required
  • Sophisticated browser-based metrics with analytics and reporting features


  • HTTP, HTTPS, SAP GUI Web, WebSocket, Java based protocol, Google Web Toolkit, Oracle forms, & more

2) StresStimulus

StresStimulus targets application scenarios that are difficult to test with other tools. It automatically fixes playback errors thanks to its proprietary autocorrelation. StresStimulus records user actions and replays them to emulate variable usage patterns. It also monitors load impact on application responsiveness and server infrastructure. The result analyzer finds hidden concurrency errors left unexposed by functional testing and includes detailed application performance metrics.


  • End-to-end Test Wizard covers all steps from recording to test results, which reduces the learning curve
  • On-premise or cloud testing supported with multiple load generators
  • Works as a stand-alone tool or Fiddler add-on
  • Exports script to Visual Studio test format to help with scenarios that fail when recorded in Visual Studio directly
  • Manual scripting is not required but available; supports three scripting languages

3) LoadUI Pro

LoadUI Pro by Smartbear allows you to quickly create scriptless sophisticated load tests, distribute them on cloud using load agents and monitor performance of your servers as you increase load on them. You can access detailed reports and quickly automate your load tests on Jenkins, Bamboo, TFS and other automation frameworks – If you are using SoapUI already, you can convert the test cases into load tests with just 3 clicks– all without writing a single line of script.


  • Scriptless Load test creation
  • Preconfigured load test templates like spike, baseline, stress, smoke
  • Drag and drop load tests on distribution agents on cloud
  • Sophisticated analytics and statists features for reporting
  • Quick conversion of functional tests from SoapUI as load tests


  • HTTP, REST, SOAP, JSON ,JMS, Swagger, RAML , IODocs,
  • API Blueprint, JSON Schema, XML Schema, MQTT, CoAP, WSDL,WADL

4) NeoLoad

NeoLoad is an innovative performance testing platform designed to automate test design, maintenance, and analysis for Agile and DevOps teams. NeoLoad integrates with continuous delivery pipelines to support performance testing across the life cycle - from component to the full system-wide load tests.


  • Automated test design enabling 10x faster test creation and update than traditional solutions
  • Integration with CI servers for automated test runtime
  • Collaboration: shared test scripts and reports, in real -time and after test completion through an on-premise or SaaS web interface
  • Hybrid on-premise and cloud load generation from over 70 global localizations

5) Apache Jmeter

JMeter is an open source tool that can be used for performance and load testing for analyzing and measuring the performance of a variety of services. This tools mainly used for web and web service applications.


  • This tool doesn't demand state of the art infrastructure for load testing and supports multiple load injectors managed by a single controller
  • Highly portable and supports 100% all the Java based apps
  • Less scripting efforts as compared to other tools because of its user-friendly GUI
  • Simple charts and graphs sufficient for analyzing key load related statistics and resource usage monitors.
  • Supports Integrated real-time, Tomcat collectors for Monitoring


Web : HTTP, HTTPS, WebServices : XML, SOAP, etc., Java based protocols, FTP

Download JMeter

6) Flood

Flood is a cloud based platform for load testing, by Tricentis. This tool is mainly used for web, mobile, and web service applications.


  • 100% Cloud Based with options to use your own cloud account and secure VPN. No overhead to manage your cloud infrastructure
  • Works with the most common open source load testing tools (JMeter, Gatling, Flood Element, and Selenium for Java) and provides integration to popular APM tools, CI servers, and code repositories
  • Scalable from 10 users to 10 million user tests with straight forward usage based pricing model
  • Integrates to New Relic, AppDynamics, Dynatrace, Github, Jenkins, and more

7) HP Performance Tester (LoadRunner)

This is an enterprise performance testing version of Loadrunner and a platform enabled both global standardization and formation Performance CoE.


  • Lower the cost of distributed load testing
  • Scale from single projects to a full-scale testing Center of Excellence (CoEs) that consolidates hardware, standardizes best practices, and leverages global testing resources
  • Reduce the risk of deploying systems that do not meet performance requirements through the use of effective enterprise load testing
  • Lower hardware and software costs by accurately predicting system capacity
  • Pinpoint the root cause of application performance problems quickly and accurately
  • Effective tool utilization tracking
  • Browser based access to global test resources and optimal usage of load generator farm.


All protocols are supported by Load Runner

Download Loadrunner

8) Silk Performer

Silk Performer tool is an enterprise class load and stress testing tool and has the ability to test multiple application environments with the thousands of concurrent users. It also supports the widest range of protocols.


There are good features in Silkperformer and those are listed as follows:

  • Components -> Workbench, True Log Explorer and Performance Explorer
  • Requires minimum hardware resources for virtual user simulation
  • Simulates modifiable virtual users
  • Supports integrated server monitoring
  • Customer friendly licensing
  • Correlation and Parameterization is user friendly
  • No License requirement for Controllers or Individual Protocols
  • Handles Load Test in Project approach
  • Generates reports with tables and graphs and allows customization.
  • Supports six models of workloads.
  • Provides Agent Health Control
  • Server side diagnostics
  • Resource Management
  • Version Control Management



Download Silk Performer

9) Rational Performance Tester

Rational Performance Tester(RPT) is a performance and load testing tool developed by IBM Corporation. It is performance test creation, execution, and analysis tool that helps development team to validate the scalability and reliability of web based applications before deployment into production.


There are good features which gives confidence to the users that all performance related bottlenecks are resolved. Following are some of the features of this tool:

  • No coding involved
  • Scheduled and event based testing
  • Real time reporting for immediate performance problem identification
  • Run with large multi users tests
  • Accurate user profile workloads
  • Automated test data variation
  • Automatic identification of dynamic server responses
  • Rendered HTML view of web pages visited during test recordings
  • Environment and Platform support
  • Entrust security protocol support
  • Java code insertion for customization


Citrix, Socket Recording, Web HTTP, SOA, SAP, XML, Websphere, Weblogic

Download Rational Functional Tester

10) AppLoader

AppLoader is a load testing solution designed for business applications. It allows you to test any application by reproducing the same user experience from all your access points: Thin, fat clients, and web portals.


  • AppLoader allows you to test the entire business flow, including all third-party apps, without adding plugins or writing a single line of code.
  • AppLoader replicates the users' interactions with your application and gives you valuable metrics about the end users' experience including screenshots of failures.
  • Scripts are created automatically when you use your application and can be easily edited without coding. They can then be seamlessly applied to regression testing and application monitoring modules available.


Compatible with: all versions of Citrix XenApp and XenDesktop, Cloud-Based and hybrid Infrastructures, EHR systems including Epic and McKesson, as well as custom applications.

Download AppLoader

11) SmartMeter.io

SmartMeter.io is an alternative to JMeter and aims to fix its drawbacks. It allows for easy scriptless test scenario creation using the so-called Recorder, yet still lets you make advanced edits of the test. It also excels in test reporting and makes use of functions such as automatic test criteria evaluation, test runs comparison and trend analysis. It fully supports CI/CD integration. Available for Windows, Mac OS, and Linux.


  • Scriptless test scenario creation
  • Comprehensive reporting with automatic evaluation and test runs comparison
  • GUI test run with real time results
  • State of the art response body extractor (Boundary body extractor)
  • CI/CD ready



Download SmartMeter.io

12) WebLOAD


WebLOAD is an enterprise-scale load testing tool which features a comprehensive IDE, Load Generation Console, and a sophisticated Analytics Dashboard.


WebLOAD has built-in flexibility, allowing QA and DevOps teams to create complex load testing scenarios thanks to native JavaScripting. WebLOAD supports hundreds of technologies – from web protocols to enterprise applications to network and server technologies.

WebLOAD Features:

  • Flexible test scenario creation
  • Supports every major web technology
  • Powerful correlation engine
  • Automatic bottleneck detection
  • Generate load on-premise or in the cloud
  • Native JavaScript scripting
  • UI wizards to enhance the script
  • Supports many technologies
  • Easy-to-reach customer support

Read more about WebLOAD here

Factors considered for selection of Performance/Load tools:

Don't Slog to Choose The Right Tool. Get Smart. Consider the following factors before your decide.

  • Desired Protocol Support
  • License Cost
  • Customer/Client Preference of load tool
  • Cost involved in training employees on tool
  • Hardware/Software requirements of load tool
  • Tool Vendor support and update policy.


There is no best tool in the market. You need to find the best tool for your performance project goals.