The drama started immediately. We’d like to see Playwright vendor-neutral and shared governed. The API methods are identical in most cases, and Playwright also bundles compatible browsers by default. Among the results of our benchmark were also some unexpected findings, like Puppeteer being significantly faster on shorter scripts and WebDriverIO showing larger than expected variability in the longer scenarios. The docs also show it’s simple to just loop through the available browsers like so: Our primary goal with … Live and automated testing are supported. Puppeteer is getting a lot of buzz as a way for JS developers to create E2E/UI tests. Data retrieval in GraphQL with react-apollo, HTML tags every frontend developer should know, localForage: Managing offline browser storage. We were therefore very keen to have the benchmarks run against a production application. Selenium is a time-tested tool, but Puppeteer, a new contender, has some powerful features that … Regardless, I’m thankful that Puppeteer is still under active development and is by no means an abandoned project just because the original developers moved on. The web development community has years of accumulated wisdom and tooling around Selenium, and you don’t necessarily have to abandon that just because there are new options. Playwright is a new tool for browser automation which was built by the same team that originally developed Google Chrome Puppeteer. Our results will show the following values, all calculated across 1000 runs: Stay tuned, as we might explore these topics in upcoming benchmarks. The Playwright team might have to indefinitely maintain these changes, which could affect the long-term reliability of Playwright’s cross-browser support. "Cross browser", "Open source" and "Promise based" are the key factors why developers consider Playwright; whereas "Very well documented", "Scriptable web browser" and "Promise based" are the primary reasons why Puppeteer is favored. Instead of guessing why errors happen, or asking users for screenshots and log dumps, LogRocket lets you replay the session to quickly understand what went wrong. Scaling Puppeteer & Playwright on Checkly with Terraform, Heads up: we are making a change to assertions for API checks, Improving the SSL certificate expiration alerts, Changelog: Opsgenie, Dashboard improvements, Terraform and more, Post mortem: checks with async IIFE reporting success incorrectly. L2 Cache (per Core): 256 KB I hope they drive each other to become even better, making browser automation progressively easier and more reliable. the open-source Puppeteer Recorder). It’s pretty straightforward once you realize all the methods return promises: In this case we chose our own, which runs a Vue.js frontend and a backend which heavily leverages AWS. A benchmark is useless if the tools being tested are tested under significantly different conditions. You can check the status of the test suite at the Is Playwright Ready? This is a benefit of being supported by the Chrome team. In most cases, no data is actually fetched from the backend, and the frontend is instead leveraging client-side data storage. We parked this and similar question to avoid scope creep for this first benchmark. On longer E2E scenarios, the difference seems to vanish. , Active Reliability for Modern DevOps Teams, Running against a real-world web application, Puppeteer vs Selenium vs Playwright, a speed comparison. Selenium has been around since 2004, and for a long time, it was the go-to tool for this category. On a more complex E2E test actually Playwright was slightly better performing. Playwright supports cross browser properly. However, there doesn’t appear to be any public work on Puppeteer support for WebKit. Cloud Grid. Still, most of us having worked with Selenium for many years, we were keen to understand if these newer tools were indeed any faster. Playwright. A reason to be optimistic, however, is that the Playwright team gave us these tools in the first place. The reason for adding Playwright and CodeceptJS in the original Puppeteer course being, Playwright is an incarnation of Puppeteer tool and CodeceptJS act as a framework for both Puppeteer and Playwright, hence having knowledge in all these tools are a good combination for automating an application. Feel free to submit a PR to help make this a better comparison. We were looking forward to this scenario, but each of us had different expectations on what the numbers would look like. It may be faster but that depends on browser too right? Run Headless tests with Puppeteer and Playwright. Unconvinced about the setup? The second surprise was the lower overall variability shown in the WebDriverIO runs. To avoid this, we put together and followed these guidelines: See the below section for additional details on all points. Utagawa Hiroshige, 1835, Japan. Note that even third-party browsers on iOS are required to use WebKit as their engine. Puppeteer. Selenium WebDriver was a pioneer in … Yet these are still changes that have not been developed in conjunction with the WebKit and Firefox teams. You can find the full data sets in our GitHub repository. Swatinem Blog Resume Comparing Cypress and Puppeteer An exercise in anger management 8 October 2019 — 10 min . You should also consider what library has better prospects for future development. When we decided to build Checkly's browser checks, we chose to do so with Puppeteer, an open-source headless browser automation tool, later adding Playwright, too. For example, Playwright’s page.click waits for the element to be available and visible by default. Written by Danny Guo ️ Playwright is a Node.js library for browser automation. Playwright is an open-source Node.js library started by Microsoft for automating browsers based on Chromium, Firefox, and WebKit through a single API. returns: This object can be used to launch or connect to WebKit, returning instances of WebKitBrowser. Nowa wyszukiwarka?To wszystko i wiele więcej w dzisiejszym ITea Morning️Subskrybuj Itea! It is also important to note that WebDriverIO is a higher-level framework with plenty of useful features, which can drive automation on multiple browsers using different tools under the hood. With Playwright, we’d like to take it one step further and offer the same functionality for all the popular rendering engines. Playwright. ├── @wdio/local-runner@6.9.1 On the other hand, many teams have decided that testing more than one browser (usually Chrome) isn’t worth the marginal benefit. I wondered why Playwright is better – a new tool that neatly rests on GitHub in a Microsoft organization. If you are doing something like automating a website workflow or taking screenshots, cross-browser support may not even matter to you. Documentation | API reference. The landscape changed significantly in 2017. Each browser context is isolated from other contexts in terms of cookies, local storage, etc., and each context can also have multiple pages underneath it. ├── playwright@1.6.2 The CSS selectors you ultimately choose to use in your scripts will determine how much maintenance work will go into your Puppeteer/Playwright scripts over the course of their lifetime. We were also quite interested in testing out the new DevTools mode. I’m a fan of Puppeteer however Playwright is a much nicer browser automation library. I wondered why Playwright is better – a new tool that neatly rests on GitHub in a Microsoft organization. Playwright provides a set of APIs to automate Chromium, Firefox and WebKit browsers. Because Playwright and Puppeteer were largely developed by the same team and have such similar APIs, migrating from Puppeteer to Playwright isn’t too difficult. Playwright is well maintained by some developer who started puppeteer and there are less bugs on playwright than on Puppeteer. It enables cross-browser web automation that is ever-green, capable, reliable and fast.. Playwright was built similarly to Puppeteer (opens new window), using its API and so is very different … Fully compatible with Selenium Webdriver protocol. #Testing with Playwright Since 2.5. Firefox followed up with a headless mode later that year. Let’s take a look at what makes each of them interesting and consider the factors that should go into deciding which one to use. If you use the WebdriverIO API the experience using WebDriver vs Puppeteer should be the same, running commands on Puppeteer might even be a little faster. While its primary use case has been implementing test suites for websites, programmers have also used it for things like taking screenshots or automating tasks when websites don’t provide APIs. Playwright’s biggest differentiating point is cross-browser support. Speed was a primary concern in our case. Google followed up headless Chrome with the public release of Puppeteer a few months later. This requirement for a special server adds complexity. For testing specifically, Cypress has also become a popular choice. The author of PhantomJS deprecated it, and his impetus for doing so was Google’s announcement of headless Chrome, which was first available in Chrome 59. Selenium: Yes (managed, costly) or build your own solution; Cypress: Only in their closed source paid cloud or build your own; Puppeteer: Usually people build their own (will change soon) Playwright: Usually people build their own (will change soon) Performance Previous experience has taught us that the difference between a demo environment and the real world gets almost always underestimated. ├── @wdio/mocha-framework@6.8.0 The Playwright team believes that due to the similarity of the core concepts and the APIs, migration between the Puppeteer and Playwright should be straightforward. ├── @wdio/spec-reporter@6.8.1 Check out popular companies that use Playwright and some tools that integrate with Playwright. It recently added beta Firefox and Edge support. taminif 0 330. taminif 3 270. taminif 3 2.9k. Read below to know more about the results and how we obtained them. As we saw up with the differing devices, we call the launch function directly from a browser type with const browser = await chromium.launch({ headless: false }); . We wanted to support users with synthetic monitoring and testing to let them know whether their websites worked as expected at any given moment. April 27, 2020 When running lots of quicker scripts, if there is no need to run cross-browser, it might be worth to run Puppeteer to save time. Our first benchmark ran against our demo website. It pays off to consider whether one can run a more barebones setup, or if the convenience of WebDriverIO's added tooling is worth waiting longer to see your results. It is worth noting that the latter two are now producing more variable results compared to the previous scenario, while Puppeteer and Playwright are now displaying smaller variations. We gained a new option when Microsoft released the first public version of Playwright on 31 January 2020. Note: using Puppeteer instead of WebDriver is only supported if running tests locally and if the … This avoids the otherwise likely situation that your browser eventually gets an update that breaks Puppeteer. Playwright vs WebDriverIO with Selenium It can also make sense to stick with Selenium or whatever you are currently using if it is working well for you. Cloud Grid. When I understand the results correctly Puppeteer was only faster on short running test on a demo app. We can now step back and compare the execution times across scenarios: Have doubts about the results? Total Number of Cores: 6 Selenium is also fairly resource-heavy, in part because it has generally been used to run full browsers. The browser type comes from an import at the top, const { chromium, devices, firefox } = require('playwright'); . We ran all tests on the latest-generation MacBook Pro 16" running macOS Catalina 10.15.7 (19H2) with the following specs: Model Identifier: MacBookPro16,1 A Selenium, Playwright and Puppeteer testing platform running in Kubernetes or Openshift clusters. The first thing that catches one's attention is the large difference between the average execution time for Playwright and Puppeteer, with the latter being almost 30% faster and showing less variation in its performance. Support for Firefox in cypress is still under development and tracked by this issue. We operate a large grid of real browser instances, ready to run your headless tests. Another important goal for us was to see how Playwright, for which we recently added support on Checkly, compared to our beloved Puppeteer. Puppeteer makes it easy to get started with browser automation. Google maintains Puppeteer and Microsoft maintains Playwright. 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