Performance testing software is a tool that helps determine how an application will perform under load. It can offer a wide range of tests, such as:
Load Test: It measures the workload and the application’s response time produced in normal conditions and helps to eliminate bottleneck scenarios.
Spike Test: It measures the application’s response time while switching rapidly between two or more applications.
Stress Test: This test is performed to find out the load point at which the application will crash, so extreme workload is applied to test it.
Endurance Test: This test involves exposing the application to some expected workload for a long time and then checking how well it can handle the workload.
Scalability Test: This test is performed to check how efficiently the software scales up. It includes a gradual increase in the workload.
Volume Test: This test checks how efficiently the software handles large volumes of data and how the large datasets are processed.
Following are the best performance testing software:
LoadNinja
LoadNinja is of the best Performance testing software because it replaces load emulator with a real browser, helps in generating actionable metrics, and reduces the testing time by half. It will allow you to debug in real-time and identify performance issues instantly. It will let you create a script-less load test and manage the real-time activities of the virtual user. The software supports protocols such as HTTPS, Java-based protocol, SAP GUI web, google web toolkit, WebSocket, and oracle forms.
WebLoad
This software will allow enterprise-scale load testing and generating real-life load scenarios in most complex scenarios. It will provide you helpful insights by performing in-depth analytics. To support simpler monitoring, it also integrates with several tools. Easy deployments for both cloud and on-premises are available. The software supports all major web technologies, offers a flexible testing environment, and detects bottlenecks automatically.
LoadView
It is an on-demand and fully managed load and stress testing tool; the popular performance testing is conducted in a real browser, and the result is a close emulation of real users, giving a quite accurate result. It supports load testing features such as global cloud-based infrastructure, real browser testing, and point & click scripting. Its key features include the easy creation of test scripts, and the tool supports Java, Flash, HTML5, Ruby, Silverlight, and PHMP. It also supports a dozen of global cloud locations that are supported by Google Cloud Platform & AWS.
Apache JMeter
This is one of the most popular open-source performance testing software designed to test load and performance. It is generally used as a website load testing tool for a variety of web service applications and can be integrated with a test plan, allowing the creation of a function test plan besides a load test plan. The software supports multiple load injectors that can then be used as a single controller. It does not insist on an advanced infrastructure for load testing and requires lesser scripting efforts since it offers a user-friendly interface. It supports all Java applications as well as protocols like HTTPS, HTTP, XML, Java-based protocols, SOAP, and FTP.
SmartMeter.io
This software is preferred to address the drawbacks of JMeter. It is also popular for performance testing services. It supports the easy script less creation of a test environment with its recorder. Some key features are advanced response extractor, real-time results, GUI test runs, comprehensive reporting, test execution comparisons, and CI/CD integration. Browser plug-in or proxy setup is not required, and it supports protocols such as HTTP, FTP, LDAP, JDBC, JMS, and SOAP.
Rational Performance Tester
This software is designed by IBM to create and run performance tests. It works as a powerful analysis tool and verifies the stability and scalability of web-based applications before they are even deployed. It has the capacity to gather all the task-related information to improve efficiency. It can also help in rectifying any leakages in the application or server and is widely used for developing error-free cloud computing services. It supports script less testing, runs large tests involving multiple users, supports automated test data variations as well as real-time reporting that allows instant performance issue identification. The protocols supported include web HTTP, Citrix. XML, WebLogic, SOA, and socket recording.

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