Puppeteer WebPerf is a specialized tool built on top of Puppeteer, designed for automating performance testing of web applications. By controlling a headless version of Chrome or Chromium, Puppeteer WebPerf enables developers to gather detailed performance metrics and identify potential bottlenecks.

Artillery is an open-source load testing and functional testing toolkit designed for modern web applications, including APIs and microservices. It is lightweight yet powerful, offering the ability to simulate high-traffic scenarios and validate the performance and scalability of your services.

WebLOAD is a high-performance load testing solution tailored for enterprise-grade web applications. It allows you to simulate large-scale user traffic and measure how your application performs under heavy loads. WebLOAD is known for its ability to create realistic testing scenarios that closely mirror real-world conditions, making it ideal for stress testing and performance optimization.

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PVD coatings are depositions, which are produced by the condensation of vapors of different materials on a suitable surface. The most frequently used materials are metals, carbon, ceramics, glass, or polymers. There are two widely used PVD coating technologies: Evaporation and sputtering. The former has been around for a long time and is frequently used for thin metal films. Mirrors, for example, have been made since the 19th century by the evaporation of silver and subsequent coating on glass sheets. A special form of evaporation PVD is plasma spraying. For this technology, a hot plasma flame is created in some kind of working gas, such as air, argon, nitrogen, etc. The coating material is then introduced in form of a fine powder. This power gets melted or evaporated quickly and forms rather thick films when it hits the relatively cool substrate surface. The big advantage of plasma spraying is that it can be carried out under atmospheric pressure. Thus, no vacuum equipment is needed. The process is also pretty fast. However, the coated area tends to be rather small. Thus, plasma spraying is often done by a robot arm, which moves the plasma spray head evenly over the substrate. With this trick, large areas can be coated in a short time. Plasma spraying is commonly used for high-temperature coatings, such as titanium oxide, alumina, or zirconia.

AppDynamics is an advanced application performance management (APM) solution that provides end-to-end visibility into your application’s performance, from code-level diagnostics to user experience monitoring. It helps organizations ensure their applications perform optimally, even under the most demanding conditions.

With Locust, developers and testers can simulate realistic user traffic and assess their applications’ performance under different load conditions.

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For ion beam sputtering a beam of highly energetic ions is produced in a suitable ion source and accelerated toward the target. However, before the beam hits the target, the ions are neutralized by an electron source. Thus, the impinging particles are neutral and one can sputter conductive as well as non-conductive materials. In reactive sputter devices, the sputtered particles undergo chemical reactions before they are deposited onto the substrate. This is often enabled by using reactive working gases in the sputter chamber. HiPIMS occurs at very high power densities of several kW/cm² in a strong magnetic field but during short pulses of some microseconds. The dense plasma that is created allows for the rapid deposition of various materials.

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Performance testing plays a crucial role in evaluating the performance of a system or application. It involves assessing various aspects of performance, such as speed, scalability, stability, and responsiveness under different workloads. By conducting performance testing, organizations can identify bottlenecks, determine system capacity, and optimize performance to deliver a better user experience.

Performance testing is a critical aspect of software development that ensures applications meet performance requirements and deliver a seamless user experience.

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LoadNinja is a cloud-based load testing platform that simplifies the process of performance testing for web applications. By leveraging real browsers for testing, LoadNinja offers highly accurate results that closely reflect real user experiences. Its scriptless approach allows testers to create tests without extensive coding, making it accessible to a broader audience.

To learn more about the use of plasma in manufacturing, please read our eBook titled "Manufacturer’s Surface Activation Guide for Improved Adhesion."

Sputtering, on the other hand, is based on the bombardment of a target (i. e. a bloc of the material that is to be deposited) with atoms or ions. Sputtering can create coatings, even on complex, three-dimensional surfaces. Hence, it is used extensively in scanning electron microscopy (SEM). The reason is that specimens for SEM have to have a conductive surface. If the surface is highly resistive, it has to be coated with a thin metal film before putting it into the SEM. Such samples can have very complex shapes but with sputtering even biological specimens like insects or plants can be coated with a thin metal film without damaging them. This is owed to the fact that the sputter particles have very high energy but the sputtered atoms have a very low temperature. Thus, even heat-sensitive materials such as biological samples can be PVD coated.

Sputtering can be used for a wide variety of materials, ranging from metals to ceramics. Sputter coatings can be single-layered or multilayered and can consist of materials like silver, gold, copper, steel, metal oxides, or nitrides (i.e. different forms of ceramics). There are different forms of sputter processes, namely ion beam sputtering, reactive sputtering, high-power impulse magnetron sputtering (HiPIMS) and other, more exotic forms.

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Gatling is built on the principles of asynchronous and non-blocking I/O, allowing it to generate high loads without overwhelming system resources.

LoadRunner is a performance testing tool developed by Micro Focus. It is designed to simulate real-world user traffic and test software applications’ performance, scalability, and reliability. LoadRunner supports a wide range of applications and protocols, including web applications, mobile applications, client-server applications, SOAP and REST web services, and more. It allows testers to create and execute load and stress tests to assess application performance under different loads and scenarios.

K6 is an open-source, developer-centric, and performance testing tool designed for load testing and performance testing of web applications and APIs. It allows developers and testers to measure the performance and scalability of their systems under different load conditions.

Selecting the best performance testing tool requires careful consideration of various factors to ensure it aligns with your project’s specific needs and requirements.

New Relic is a comprehensive observability platform that provides real-time monitoring and diagnostics across the entire technology stack. It offers detailed insights into application performance, user experience, and infrastructure health, helping teams quickly identify and resolve issues.

Performance testing is a type of testing that focuses on evaluating the performance characteristics of a system, software application, or website. The primary objective of performance testing is to identify any bottlenecks or performance issues and determine the system’s behavior under normal, peak, and stress conditions.

The sputter target is placed in a vacuum chamber to avoid any interaction with the air or other unwanted gases. The sputtering particles have high kinetic energy, starting from some tens of eV upwards when they hit the target surface. Since some fraction of the impinging sputter particles is ionized (about 1 or 1 %), sputtering is, in fact, also a plasma application. Due to the high kinetic energy of the bombarding particles, atoms from the target get ‘kicked’ out and fly toward the substrate where they form a film. The substrate is usually mounted vis-à-vis the target. The particles from the target cover the substrate fast and evenly. Even heat-sensitive substrates like plastics can be coated with ceramics or metals due to the low temperature of the sputtered particles. If the substrate is very sensitive, the vacuum chamber can be filled to some degree with an inert gas. This enables the control of the kinetic energy of the particles coming from the target because they may undergo some collisions and lose some of their velocity before they are deposited.

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It is known for its user-friendly interface, advanced testing capabilities, and support for various technologies. NeoLoad offers comprehensive performance testing solutions for web and mobile applications, web services, streaming protocols, and more.

Siege is an open-source load testing and benchmarking tool designed for evaluating the performance of web servers. It allows you to simulate multiple users accessing your application simultaneously, providing valuable insights into how your server handles concurrent traffic.

BlazeMeter is a cloud-based load-testing platform that enables developers and testers to conduct application performance and load testing. It is owned by Broadcom (formerly known as CA Technologies).

Coating PVD is a plasma coating process that involves the physical process of depositing thin solid layers of another material onto a surface or part in order to make that object more durable.  Coating PVD is different than CVD, otherwise known as chemical vapor deposition, because  Coating PVD requires no chemical reaction to happen at the surface of the object for the coating to work.  Coating PVD can be accomplished using several different techniques. One of the more common techniques is called plasma sputter deposition. This process uses plasma ions to bombard the material which causes some of it to vaporize and then that vapor is deposited onto the desired surface.

Dynatrace is a leading application performance management (APM) solution that leverages artificial intelligence (AI) to provide deep insights into application performance, user experience, and infrastructure health. It automates the monitoring process, allowing teams to proactively identify and resolve issues before they impact users.

BrowserStack App Performance is a comprehensive performance testing tool designed to evaluate the performance of mobile applications. It allows testers to assess mobile apps’ responsiveness, speed, and stability under various conditions.

ApacheBench (ab) is a command-line tool and open-source software from the Apache HTTP server project. It is used for load-testing web servers and applications by measuring their performance and concurrency under different conditions.

Many modern industries use PVD technologies along their manufacturing and supply lines. Here are some examples of economic branches, which rely on PVD:

Selecting the optimum tool for performance testing is crucial as it directly impacts project success and delivery expectations. By leveraging tools like BrowserStack App Performance, organizations can effectively assess the performance of their web and mobile applications and ensure a high-quality user experience.

Learn how to use App Profiling and improve overall app performance by keeping a track of CPU, Memory, Battery, and Network usage of mobile app.

There are several types of performance testing, each focusing on different aspects of system performance. It’s important to note that these types of performance testing are not mutually exclusive, and multiple types can be combined based on specific testing goals and requirements.

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Selenium is a widely-used, open-source automation tool designed for testing web applications across various browsers and platforms. Its primary strength lies in its ability to automate browser actions, making it a cornerstone for functional and regression testing in web development.

Locust is an open-source, Python-based, and distributed load-testing tool used to measure the performance and scalability of web applications, APIs, and other network-based services. It is designed to be user-friendly, highly flexible, and scalable, making it a popular choice for load testing in various projects.

Tsung is an open-source, distributed load-testing tool used for performance testing and benchmarking web applications, web services, and other network protocols. Developed in Erlang, Tsung is designed to generate high concurrency and stress on the system under test, enabling users to assess its performance and scalability.

BrowserStack App Performance offers a comprehensive set of features to assess the performance of mobile applications. Its real-device testing, performance metrics, network condition simulation, user flow analysis, and real-time monitoring capabilities make it a valuable tool for ensuring the optimal performance of mobile apps across different devices and network conditions.

In this article, let’s explore the role of performance testing and get an overview of some top performance testing tools in 2023 that your QA team can choose from.

Understand why it is crucial to test site speed, conduct website performance testing, and observe if a faster loading speed is required.

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It can be conducted at different phases of SDLC to detect performance issues early on, allowing developers to address them proactively. By identifying and resolving performance bottlenecks early, organizations can save time, effort, and costs to fix performance problems in later stages.

Gatling is an open-source load-testing tool that is designed to help testers and developers assess the performance and scalability of web applications. It is known for its efficient resource utilization, high performance, and ability to handle large concurrent user loads.

Sitespeed.io is an open-source tool that focuses on web performance testing and monitoring, helping developers optimize their web applications for better user experiences. It automates the process of collecting performance metrics and provides actionable insights to improve site speed and efficiency.

Apache JMeter is a powerful open-source tool developed by the Apache Software Foundation. It is widely used for load and performance testing of web applications, APIs, databases, and other server-based systems. JMeter allows you to simulate various scenarios and generate loads to assess the system’s performance under different conditions.

JMeter’s key objective is to evaluate how well a system can handle a specific workload, measure response times and throughput, and identify performance bottlenecks.

Choose the most appropriate Performance Testing Tools from the detailed list for seamless testing. Test under real user conditions for best results

NeoLoad is a performance testing tool developed by Neotys. It is designed to assess the performance and scalability of web applications, APIs, and other network-based services. NeoLoad allows developers and testers to simulate user traffic, measure system behavior under load, and identify performance bottlenecks.

With BlazeMeter, users can create and execute performance tests using popular open-source testing tools like Apache JMeter, Gatling, and Selenium WebDriver.