If you are in the business of software development and want to give your end-users a flawless product, you need to know what you can do to improve its performance before it hits the market.
So, how can you achieve this?What you require is a reliable testing tool that conducts performance testing and gives you information about your application’s speed, stability, and scalability under different conditions. Without performance testing, your software could suffer from issues like being incompatible with different operating systems or being slow when many users are using it. And, if you launch your product without proper performance testing, you are likely to gain a poor reputation, and your software may not get you the sales you long for.
What is Performance Testing?
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Why is System Performance Testing Important?
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Top 3 Reasons to Invest in Performance Testing
To Ensure Your Application Remains RobustPerformance testing guarantees that your application performs excellently even in critical situations like network issues on the device side or high server load. It verifies your application’s sustainability in the marketplace.
Improve ScalabilityIn these competitive times, you need apps that are scalable and which you can upgrade when needed. With performance testing, you are able to spot vulnerabilities and determine what needs to be done to make it more scalable.
Make your App More DependableBy conducting performance testing, you verify that your app can deliver consistent results even if it undergoes upgradation or changes in its features.
The Right Time to Conduct Performance TestingYour testing team must figure out at what stage during the development process they will benefit more by conducting performance tests. You have to choose which approach is better for you, the Agile approach or the Waterfall approach. When selecting one of these two approaches, you have to consider the technology, people, and processes that you will be dealing with.
Issues that Performance Testing DetectsWe will now take a peek at some of the common performance problems that a testing tool identifies:
Poor ResponseMost users expect an application to respond quickly when they provide an input. A delay in response may result in the application getting a poor market rating.
Slow Loading TimeThis is the time taken by an application to load. Ideally, the time taken to load should not be more than a few seconds.
BottlenecksThese are the hurdles that delay the overall performance of the software. The reasons could be a faulty section of code or a defect in the hardware.
ScalabilityThe scalability is said to be poor if your software does not perform up to expectations when used by the expected number of users.
Some Applications That Require Performance TestingPerformance testing identifies issues that need improvement before your application reaches the market. Below are some of the apps that need testing to ensure they are flawless:
Social Media PlatformsPeople expect platforms like Facebook and Instagram to perform excellently all the time. So, these platforms need high-precision test automation tools to test them to ensure they are free from defects.
eCommerce AppsPeople using eCommerce apps expect an excellent shopping experience, and therefore, these apps need to undergo performance testing to rectify any potential bugs and errors.
Market-based AppsFor such applications, performance testing helps to identify the number of people and check the app’s response at times of its highest scalability.
Instant-messaging platformsSince a majority of people around the globe use messengers like Telegram or Whatsapp, performance testing is a must-do to ensure optimum performance and prevent outages.
Common Types of Performance Testing
Baseline TestingIt is the process by which performance metrics of software is recorded at the time it undergoes performance testing. It helps to maintain the quality of your application consistently.
Breakpoint TestingIt helps to determine the point at which your application will break down. By this method, you can identify your software’s maximum load-bearing capability.
Performance Testing Metrics
- Memory Usage: The amount of physical memory that is available to process on a mobile device.
- Bandwidth: It displays the bit per second a network interface uses.
- Processor Usage: The time spent by a processor for executing non-idle threads.
- Committed Memory: The amount of virtual memory consumed.
- Throughput: Rate at which a network receives requests per second.
- Hits per second: The number of hits on a web server per second during a load test.
- Response Time: It is the time from receipt of a request from a user to the point of receipt of the first character of the response.
- Disk Time: The amount of time taken by the disk to execute a read or write request.
What is a Scenario in Performance Testing?A test scenario refers to specific functionality that can undergo testing. As a tester, you need to think from the end user’s point of view and determine real-world scenarios of the application you are testing. With scenarios, your testing becomes easier, and you can resolve all complicated problems of the software. They help to determine the real use of your applications and ensure comprehensive test coverage with your automation testing tool.
Steps in the Performance Testing ProcessGenerally, these are the steps a tester takes:
01 Knowing Your Testing Environment
02 Set Performance Acceptance Criteria
03 Planning and Designing
04 Preparing the Test Environment
05 Identify Potential Problems
06 Conduct the Test
07 Analyze the Test Results and Retest
Challenges of Performance TestingHere are some of the common performance testing challenges that testers may encounter:
Improper Test Strategy and CoverageMany times performance testing does not generate the results you want because of the lack of a clear testing strategy. Therefore, to get the best results from performance testing, the testing team should take time to understand the software’s architecture and analyze load distribution, usage model, reliability requirements, and other factors.
Insufficient KnowledgeIn many instances, the key stakeholders do not have proper knowledge of the significance of performance testing. This may lead to several performance issues after the application’s release, such as crashing during heavy load times. Therefore, it becomes vital for all stakeholders, product owners, and testing experts to come together and devise an end-to-end performance testing strategy.
Performance Testing Best PracticesIf properly planned and executed, performance testing with an automation testing tool can ensure your application meets your expectations of responsiveness and robustness. To ensure optimum results, here are the best practices you can follow:
- Ensure Early and Frequent Testing Be proactive and ensure that you run performance testing early in the development cycle rather than running it after receiving complaints from users. It is better to run the testing along the entire development cycle.
- Know Your Product Well Before going ahead with performance testing with an automation testing tool, you first need to understand everything about your software, such as its capabilities, intended use, limitations, and so on. You need to consider all these factors before beginning the testing process.
- Let Performance Testing Be Part of Your Unit Tests A common mistake made by testers is running performance testing in later stages of the development cycle. But, doing the testing at such a later stage will make it more challenging and expensive to make changes to your software. So, the better alternative is to incorporate performance testing into your unit tests.
- Define Performance Benchmarks You need to adopt a practical approach and set realistic scenarios for your application instead of setting unrealistic goals. Ensure that the testbed is inclusive of all kinds of devices and environments where your software should perform efficiently.
- Consider the User’s experience Even though the response of the servers and other results may be satisfactory, you also need to ensure that the user gets an excellent experience. It is essential for the tests to capture every user’s experience since their opinion about your product’s performance matters the most for your business.
Why Automate Performance Testing with TestGrid?Automating performance testing with TestGrid can do wonders for your software development business. If you have been using manual testing so far, you will accept how the testing process becomes a logistical nightmare when done manually. These are the top reasons why you need TestGrid’s automation testing tool to run performance testing for your software:
More Effective than Manual TestingWhen you run performance testing with TestGrid’s automation testing tool, the testing becomes more effortless and less time-consuming. It lets you use your precious resources time and money more economically.
Better ROIYou may have to make a significant investment initially to automate your testing process. But, the long-term benefit is that it will translate into lesser costs and more returns on the money you spend.
Increases the Depth and Scope of your TestsBy automating your tests with TestGrid, you can run numerous complicated test cases during each test run. You can run lengthy tests without the need for your testers to attend them. Thus test automation with TestGrid provides better coverage and improves your software quality.
Superior Testing QualityThe manual testing process can be monotonous to the tester, and lapses of concentration often lead to mistakes. With test automation using TestGrid’s tool, you can repeatedly run your tests any number of times with the same precision every time.
Which is the Most Reliable Performance Testing Tool?The most efficient and trustworthy testing tool that software businesses prefer is Testgrid’s scriptless automation testing tool.
The reasons are:
What makes Testgrid’s Performance Testing Tool Special?This is why you need to choose Testgrid’s performance Testing Tool: