performance testing

Best Practices for Web Application Testing

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Best Practices for Web Application Testing

A large percentage of people nowadays access websites and web applications on their smartphones, tablets and phablets. Also, Google uses mobile-friendliness as a key metric to rank websites. That is why, a gradual increase is being noted in the enterprises opting for responsive design to make their web applications deliver quality user experience across a wide variety of devices. However, it is also important for businesses to get the functionality, performance and user experience of the websites tested thoroughly to impress and engage website visitors. The businesses can always effectuate web application testing by following a number of best practices.

5 Web Application Testing Best Practices Each Tester Must Know

1) Test Web Services Independently

Nowadays web services have become an integral part of web application development. The testers can reap a number of benefits by testing the web services independently, and not as integrated components of the website. The web services can be tested more quickly as not JavaScript, CSS or images need to be loaded. Also, it becomes easier for testers to identify the issues and their reasons by debugging the web service independently. They can even use a variety of tools to assess the web services independently and quickly.

2) Perform Elaborate Cross-Browser Compatibility Testing

To deliver quality user experience, the web application must run seamlessly on different types and versions of web browsers. But the older versions of certain browsers do not support HTML5 and CSS3. So the testers need to ensure that the app runs smoothly on different versions of each commonly used web browser. However, they cannot assess the cross-browser compatibility of the website without using specialized tools. The business must pick the right automation tools to help testers check the application’s functionality across various browsers quickly and efficiently.

3) Pick Specific Criterions for Usability Testing

The usability and user experience of the web application will have a direct impact on keeping the visitors engaged and converting them into customers. So the business needs to ensure that its web application delivers quality and distinct user experience to each visitor. That is why; it must pick the right criterions to assess the application’s usability effectively. To effectuate usability testing of the web application the business must pick key criterions like UX design, performance, speed, readability, accessibility, navigability, and amount of time and effort required by the user to perform a particular task.

4) Scale the Load Tests Incrementally

Each business must replicate the production environment exactly to load tests web applications more effectively. So it must identify and eliminate all issues related to hardware and system configuration in the test environment. At the same time, it is also important for testers to perform the load tests incrementally. They must run tests initially by replicating a smaller number of distributed users, and increase the number of users gradually. The incremental load testing will make it easier for the professionals to identify the exact point where the application crashes. They can perform the load tests in cycles, and analyze the test results of each cycle to assess how the website performs under varying user loads.

5) Create Simple and Reusable Tests

The quality of tests will also have direct impact on the whole web application testing process. Often complex tests affect the workflow adversely, and make it difficult for testers to identify the cause of the problem. The testers must not try to test multiple features or functionalities of the website using a single test. They must write simple tests to check specific features or functionality of the application. They can simply divide the workflow into multiple tests, and write each test to assess a particular aspect of the web application rigorously. At the same time, the testers also need to design reusable tests to quickly access the application across various browsers and devices.

It is always important for the business to make a comprehensive strategy to ensure that all aspects of the web application are tested rigorously. Also, the testers must repeat the tests under various conditions to assess the application’s quality more accurately.


Know the Best Open Source Load Testing Tools to make use of

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Know the best open source load testing tools to make use of

As a non-functional software testing technique, load testing is conducted to assess the performance of a software application under varying load conditions. The testing helps QA professionals to  identify the maximum amount of load or pressure an application can withstand. But the testers need complete the load tests within a stipulated amount of time and controlled lab conditions to assess the performance of the application accurately under both normal and peak conditions. That is why; most testers use load testing tools to assess the performance of the application regularly and repeatedly under varying loads. They also have option to take advantage of a number of open source load testing tools to assess the performance of the software regularly without increasing project overheads.

Understanding 8 Widely Used Open Source Load Testing Tools

1) The Grinder

Despite being a popular load testing tool, The Grinder is often described as the Java load testing tool. It can be used to load test any application with a Java API. But The Grinder supports major protocols like SOAP, HTTP and REST web services. It allows testers to write test scripts in Jython or Clojure, while providing centralized script editing and distribution feature.   The users also have option to use data stored on files and databases, and generate test data on the fly. So it becomes easier for them to load test the software based on a variety of parameters.

2) JMeter

Unlike other load testing tools, JMeter is designed as a desktop application with a graphical user interface. The Java-based tool further runs on any platform that supports the programming language. It further supports major web servers and protocols including HTTP, SOAP, REST web services, MangoDB, TCP, Mail and LDAP. The testers also have option to enhance test coverage by integrating JMeter with a number of commonly used build and continuous integration (CI) tools.

3) Tsung

Tsung is designed as a distributed load testing tool. It supports most of the commonly used protocols including HTTP, SOAP, MySQL, PostgreSQL, WebDAV and LDAP. Tsung is also designed with features to assess the performance of IP based client/server applications by simulating the behaviour of a large number of users. As the testers have option to run Tsung on multiple machines, it becomes easier for them to simulate a large number of virtual users simultaneously.

4) Gatling

The cross-platform load testing tool is written in Scala. It comes with a recorder that enables testers to record all user actions and simulate all probable user actions. So it becomes easier for them load test the applications by creating many test scenarios. Gatling further allows testers to modify and customize the test scenarios according to the requirements of the project. At the same time, Gatling also helps testers to generate clear, colourful and information test reports to facilitate decision making.

5) Locust

Locust is one of the popular user load testing tools for websites and web applications. It requires testers to write all test scenarios in Python programming language. The users also have option to run Locust on single or multiple machines. So it becomes easier for them to distribute load tests over several machines, and simulate a large number of users simultaneously. Locust further makes it easier for testers to generate real-time and relevant test results by providing an extensible web-based user interface.

6) Diesel Test

DieselTest is actually designed as a regression testing tool. So it is different from other traditional regression testing tools available in the market. As it supports only keyboard and mouse driven test scripts, the scripting support provided by DieselTest is not powerful. But the testers can Playback the test scripts to assess the performance of the software by simulating behaviour of real website visitors. They also have option to generate and analyze real-time test results.

7) OpenSTA

OpenSTA is popular among testers as a flexible load testing tool. It enables testers to use and playback recorded scripts to assess the application’s performance regularly. At the same time, the testers also have option to edit the convert the recorded macro into a test script, make necessary changes to the script, and inject it as a hypertext stream. They can even use the tool to load test a variety of software applications. But the open source load testing tool looks dated as it was last updated in 2007.

8) OpenWebLoad

OpenWebLoad is one of the simple and easy-to-use load testing tools available in the market. It can be used for assessing the performance of a web application under various loads. The testers also have option to use a command line to configure and execute load tests. OpenWebLoad further allows testers to monitor the impact of load optimization in an instant and realistic way. However, DieselTest is not being updated at regular intervals like other tools.

However, it is also important for the testers to pick the right open source load testing tools according to the nature and needs of the project. In addition to focusing on key features of various load testing tools, they also need to compare the tools based on test scenario and infrastructure. They can even consider using multiple tools to assess the performance of the applications accurately under a variety of loads.

Why is Load Testing Important for Applications?

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Why is the Important of Load Testing in Applications

What makes any software a better one and more acceptable one by on the customer front is the fact that all the probable glitches and bugs have been rectified. But, how will you know about the present glitches or problems? Software testing, of course! That’s what makes the testing process a vital part of the software development life cycle. Software testing helps the developers to modify the software to create a better version of the same.

Load testing is a vital part of the whole software testing procedure and is a type of performance testing which deals with the load taking capacity of the software. It is the process by which the performance of the software is checked under normal load as well as peak load.

Load testing is a specific part of performance testing of the software which deals specifically with the load taking capacity of the software under consideration along with checking the performance of the whole as well as the various parts of the software which has been integrated to create the whole, under normal and spiked load conditions. Load testing is usually classified as a non functional testing procedure but can be used to perform functional testing to check how the software functions under various load conditions. The developers can rectify the various problems caused by the load on the specific software which affects the performance of the software on the whole. The best part of load testing is the fact that it accurately depicts the actual real world scenario where the software will be used by real users.

In the current time, people have a lack of time. Everybody is leading a hectic life and hence they need everything fast. This applies in case of software too. People are always on the lookout for a software which will deliver in a fast paced manner even under the condition of spiked load. Software which lags under increased load is often rejected by the customers. This makes load testing an absolute must if the developer is trying to make his software successful. Apart from checking the overall performance of the software, load testing also helps in checking how fast the software springs back to its original self even if it snaps under pressure.

While planning out the load testing for any particular software, the tester has to bear in mind the build up of the software that is being tested as well as the desired effect that it is supposed to produce when being used by the customers, because the improvement of the software will depend solely on these results. The tester also has to bear in mind to make the results as accurate and precise as possible. It is also very important to maintain a log of all the load tests performed throughout the whole development process, so as to get a hang of the repetitive bugs that are occurring o that special attention can be paid to abolish them and prevent them from returning further. The various components of the software also need to be thoroughly checked.

So this is a gist of why load testing is important for any application to make it successful and an absolute favourite among the customers. Load testing needs to be introduced into the development life cycle of the software as early as possible so that the problems can be detected and resolved before they get further complicated by the introduction of newer problems. We hope to have helped you to understand the importance of the process and satisfy all your queries.

Best Practices to Follow While Performing ERP App Performance Testing

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Best practices, while performing ERP app performance testing

Unlike normal software, enterprise resource planning (ERP) applications are designed to help businesses to collect data on various business activities, and analyze the data to form an integrated overview of core business processes. So these applications are designed by integrating a variety of software application. Also, each ERP system is customized according to the specific needs of the business. The business has to make and implement custom test plans according to the specific features and functionality of the ERP application. At the same time, the QA professionals need to keep in mind a number of best practices to test the ERP application effectively.

Best Practices for Testing ERP Applications Efficiently

Understand Different Testing Approaches

The QA professionals need to perform a variety of tests to assess the performance of an ERP application accurately. They have to perform functional testing to check if the application provides the expected solutions to the business problems. Likewise, they have to perform integration testing to ensure that different components integrated into the system are working flawlessly together as a single application. Also, they need to conduct performance testing to check how the integrated components of the system are performing in specific situations. However, each type of testing must be performed with a particular objective. For instance, performance testing will aim to check how the application performs under specific conditions, without focusing of the defects or flaws in the system.

Gather Detailed Information about the ERP Application

A business can use ERP systems to monitor and manage various processes. So the features, functionality and usage of individual ERP applications differ according to their usage and requirements. To test the software effectively, each member of the QA team must understand key aspects of the project. Before testing the application, each tester must know number of modules to be tested, along with identifying the system users, business requirements, and industry verticals. The project manager can easily provide the key information to testers by making a comprehensive test plan.

Estimate the Testing Efforts

Often testers have to perform all tests required for assessing the performance of the ERP application within a stipulated amount of time. So the project manager must estimate the amount of time and efforts required for performing each type of tests. He need to calculate the amount of time required for writing test cases and test suites, executing all test cases, and preparing test reports. The manager can always refer to the previous testing strategies and test execution plans to estimate the time required to assess the performance of the ERP application comprehensively.

Test Automation

A business can always faster and reliable test results by automating the performance testing efforts. The test automation tools will enable testers to repeat certain tests to assess the performance of the ERP application more accurately. But a business cannot automate all manual testing efforts. So the project manager must decide the business processes testing and test scenarios to be automated. At the same time, he also needs to identify the right tools to make the testers more productive and get better test results. However, he still need to compare the manual and automated test results to assess the performance of the system more effectively.

Define the Process for Test Data Collection and Evaluation

It is also important for the businesses to deploy testers who have prior experience in ERP applications testing. The experience will help them to write test automation scripts by keeping in mind all business requirements and usage scenarios. However, the manager still needs to evaluate the test cases to ensure that all business use case scenarios are covered. At the same time, he also needs to define the process for collection of test data for both input and output. Further, the output data must be evaluated by a domain expert to ensure that the ERP application is performing according to the predefined requirements and specifications.

On the whole, the testers must understand the business requirements and processes clearly to test the ERP application efficiently. The project manager must make a comprehensive test plan to help testers obtain detailed and relevant information instantaneously. They can further refer to the test plan to ensure that all aspects of the application are tested within a shorter amount of time.

Some of the Best Performance Testing Tools to Work with

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Best Performance Testing Tools to Work with

When it comes to the popularity of any software, it is hugely depended on the software testing procedures applied to the same, especially the various performance testing procedures which optimizes the performance of the software, detects the various glitches that may hamper the software’s performance so that you can rectify them for the betterment of the system.

  1. Apache JMeter: This is basically a performance testing tool which can also be used for the creation of test plan for a particular software. This open source tool is based on JAVA applications.
  2. LoadRunner: LoadRunner is brought to you by HP and can be bought form the HP app store. It helps in detection of the performance of the software under test in the real time situations where actual load is present.
  3. WebLOAD: Ajax, Adobe Flex, .NET, Oracle Forms, HTML5 are all used by WebLOAD to test the performance of the various web applications that are developed. It allows testers to check the performance of the application in the presence of heavy load.
  4. Appvance: Appvance utilises the cloud server of the client to repeatedly test the performance of the software under consideration throughout the whole development life cycle of the same so that the software can be made completely bug free.
  5. NeoLoad: NeoLoad is one of those performance testing tools which help in the improvement of the web applications as far as the performance of the same is concerned. With utmost ease, it lets you know the number of users that the application can handle at any given time.
  6. LoadUI: LoadUI is probably one of the most flexible performance testing tools that you will ever come across. While the test procedure is on, you can use this tool for the betterment of the test plan along with configuration of the same.
  7. WAPT: WAPT (abbreviation for web application performance testing) is yet another tool which checks the web based application for its performance under various conditions. During load testing, it provides results for virtual testers.
  8. LoadImpact: If you are looking for a performance testing tool which will help you test the applications under the maximum amount of load possible, then LoadImpact would be your perfect choice for the occasion. This tool is primarily for cloud server base apps.
  9. Rational Performance Tester: Rational Performance Tester can be used with equal ease on both web as well as server based applications which require input and output of data. Thus this application is perfect for checking the performance of the software which involves transactions.
  10. Testing Anywhere: If you are on the lookout for an automated tool which will detect the bottleneck glitches in web based as well as other applications, then you should give Testing Anywhere a try. This tool comes preinstalled with an editing option which edits the criteria for testing.
  11. OpenSTA: OpenSTA which is also known as Open System Testing Architecture is an open source http tool which allows the testers to check the performance of the software under various loads which are applied to the system and generates accurate results accordingly.
  12. QEngine (ManageEngine): QEngine (ManageEngine) is probably the simplest of all the automated tools available for the performance testing procedures. This helps in finding any of the leakage in the websites which may hamper the performance of the same.

These are the best performance testing tools that are available which you can use to generate results based on which you might want to tweak the system to create a better software for your customers.

The Advantages of Performance Testing

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Performance testing is an important part of the software testing life cycle which is best started at an early developmental stage of the application in order to make sure that the app you have created is free of any glitches that may ultimately hamper the user experience and cause you loss.

The Advantages of Performance Testing

  1. Improved Quality from a User’s Perspective: When you test the app in order to check the performance of the same prior to launching the same, you get to detect all the glitches that may hamper the performance of the same. Rectifying these glitches will provide your customers with a full proof app which will perform smoothly under all circumstances.
  2. Reduced Cost of Change: Once you have developed the app completely and launched it for the end users, rectification becomes a major issue. It automatically becomes a very costly affair as you have to withdraw the app completely from the market and rectify it completely which becomes a lot difficult due to the complexities. Prior testing helps you to avoid all these monetary loss.
  3. Reduced System Costs: If you are putting your app through the performance testing from the initial testing period of its development, the complexities are much less and basic systems are enough to detect the various glitches. With further development of the application, more and more features get added which increases the complexities of the application which requires more sophisticated systems to detect the flaws. Hence performance testing reduces the system cost.
  4. Increased Profits: Performance testing helps in increasing the overall profit of the organization and that is very obvious! With the reduced system cost and the reduced cost of change, the cost of production is already diminished which gets added to the profit of the organization. Also a well performing app with no bugs will automatically attract more customers who will be willing to pay for good user experience.
  5. Early Identification of Major Application Defects and Architectural Issues: With the early initiation of performance testing for the app you are developing, you get to identify the major defects earlier and hence can pay special attention to them and time crunch can be avoided.
  6. Guaranteed Customer Satisfaction: As you are improving the performance of the app that you are offering to your customers, you are ensuring that they get more satisfaction out of using the app you have created.
  7. Clarity on Resource Utilization: When you are testing your app for performance of the same, you are ensuring that the resources at your disposal are being used to the fullest so as to make the app a perfect one. This will allow proper utilization of the resource completely in order to make your app better for the user experience and hence make it more popular.
  8. Performance Testing also Removes many Myths Associated with the Users and Builds Confidence: Performance testing of the developed app will show you how the app actually works when it is being used by the end users. This will obviously increase your confidence about your creation as you get to know the reaction that your app will deliver to various situations and the fact that it is capable of handling unfavourable conditions which it is likely to face when in real world. It will also remove any wrong perceptions which may be related to it.

We have tried to provide you with the major advantages of performance testing as to how it may increase the popularity of the app and the profit of your organization. Hope we have satiated all your queries.

Tips to Improve Performance Testing Experience

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Tips to Improve Performance Testing Experience

In the present day world, apps have become the centre of daily life. This makes it an important issue to make the apps deliver top notch performances. To ensure that your app is the best of the best as far as performance is concerned, you need to put it through performance testing and the following tips will help to get the best out of it.

  1. Monitor/ Investigate App User Patterns: Monitor/ investigate app user patterns along with load and devoid of load allows the tester to understand the stability issues of the software and they can thus imply required testing procedures for optimum test results.
  2. Test Functional Scenarios with Different Connection Qualities/ Virtual Networks Simulation: Testing the performance of the software along with various kinds of internet connection which have varying speed helps in understanding the software’s performance in varying circumstances.
  3. Test in Production Environment: The factors such as memory configurations, balancing of load and firewalls have a considerable effect on the performance of the software being developed. Hence the software’s performance is best tested in an environment which it will face in the real world.
  4. Functional Test While Load is Occurring: The software which you have developed may tend to malfunction when a particular amount of load has been applied to it. However detecting it may be a pain and hence functional testing during spike testing is recommended.
  5. Evolution of Performance testing to System Performance Monitoring: When you are putting the software under a particular performance testing procedure, make sure to run it constantly so that you may asses the performance of the same under various conditions.
  6. Conduct On-Going Performance Sessions: When you have put your software through timed performance testing procedures, you now need to test the same under prolonged conditions because you are not sure of how long the user will be using the software in the real world.
  7. Beta Management: When you are releasing your app for a beta test to a limited number of customers, you are allowing it to experience the real world situation which will provide you with better results of the performance of the app.
  8. Backend Database Testing: While you are testing the performance of your software, it is very important to test the database of the same. This will ensure that the end users are getting a full proof experience while using your application.
  9. Log Analysis: Monitoring the log files of your app, both on the client and the developers side, will provide you with vital information on the performance of the app which can be used to make the app a better version of itself.
  10. DevOps Involvement: Restricting the performance testing procedure to just the testing team will affect the testing procedure hugely. You need to involve the development as well as operational team in the process for better understanding of test results.
  11. User Experience: Pay special heed to the comments left by your users on the performance of your app as it cannot be completely mimicked by your developers or testers.
  12. Crowd Testing: Crowd testing is very important to check the performance of your software as it will help you to truly asses the same under the various conditions that the app is likely to face in the real world where people of varying situations will use it.

These are some of the best tips which you can follow while putting your application through the performance testing procedure in order to get the maximum obtainable results so as to make your app an even better one depending on the results.