The API methods are identical in most cases, and Playwright also bundles compatible browsers by default. Less surprising is perhaps that running Puppeteer without any added higher-level framework helps us shave off a significant amount of execution time on this very short script. See All by taminif . Puppeteer & Playwright Support. Puppeteer. Leveraging an automated recording tool (e.g. , Active Reliability for Modern DevOps Teams, Running against a real-world web application, Puppeteer vs Selenium vs Playwright, a speed comparison. Yet these are still changes that have not been developed in conjunction with the WebKit and Firefox teams. Feel free to submit a PR to help make this a better comparison. Headless browsers can work well for testing simpler websites, but to test everything that websites can do, they need to emulate full browsers as closely as possible by supporting various web standards. 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. Looking at the source code of the page. These developments made it possible to write efficient tests and scripts against the same browsers that people actually use. More involved websites also justify more testing, so the main problem with past headless browsers is that they become less usable exactly when you want to use them more heavily. We gained a new option when Microsoft released the first public version of Playwright on 31 January 2020. 1371. On longer E2E scenarios, the difference seems to vanish. However, Selenium has a reputation for being unreliable. Puppeteer. 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. PuppeteerとPlaywrightの15日間の演劇 / relation of Puppeteer and Playwright. Puppeteer is a Node library which provides a high-level API to control headless Chrome over the DevTools Protocol. Puppeteer. 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. Playwright is a Node.js library for browser automation. Puppeteer and Playwright each support a different set of browsers. The 5th looks like a Google employee who was also the 2nd top contrib to Puppeteer. Puppeteer & Playwright Support. This approach was later abandoned as we encountered issues on the Selenium side, with the session becoming unresponsive after a certain number of cookies had been loaded. It's interesting to note that some of the folks who worked on Puppeteer are now working on Playwright. First off, let us rank the tools from fastest to slowest for both testing scenarios: This first benchmark brought up some interesting findings: Speed is important, but it can't tell the whole story. Note: using Puppeteer instead of WebDriver is only supported if running tests locally and if the … If you compare the contributor pages for Playwright and Puppeteer, you’ll notice the top two contributors to Puppeteer now work on Playwright. But is it better than Selenium? we did not start a new server from scratch for each run (even though we always used clean sessions), as some frameworks do. taminif. With Playwright, we’d like to take it one step further and offer the same functionality for all the popular rendering engines. Note that even third-party browsers on iOS are required to use WebKit as their engine. Fully compatible with Selenium Webdriver protocol. Firefox followed up with a headless mode later that year. In most cases, no data is actually fetched from the backend, and the frontend is instead leveraging client-side data storage. Microsoft recently published a puppeteer-like library, playwright, whose selling point over puppeteer is playwright supports 3 browser flavors: Chromium, Firefox, and Webkit.. As of 28th January 2020, puppeteer supports both Chromium and Firefox while cypress only supports Chromium. 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. 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. Playwright is essentially a browser automation tool and the processor of the node library Puppeteer, as it has the same functionality along with several improvements such as … 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. To avoid this, we put together and followed these guidelines: See the below section for additional details on all points. The new Puppeteer team will have to show that it can keep pace with the Playwright team in terms of improving their respective libraries. We operate a large grid of real browser instances, ready to run your headless tests. CodeceptJS. 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. Puppeteer is also a Node.js library for browser automation. Playwright vs WebDriverIO with Selenium We were also quite interested in testing out the new DevTools mode. LogRocket is a frontend application monitoring solution that lets you replay problems as if they happened in your own browser. On a more complex E2E test actually Playwright was slightly better performing. See All by taminif . The Playwright team might have to indefinitely maintain these changes, which could affect the long-term reliability of Playwright’s cross-browser support. This enables some serverless browser automation scenarios using popular frameworks such as Puppeteer and Playwright.Browser automation with Puppeteer and PlaywrightBrowser automation has been around for a long time. Tagged with node, webdev. Playwright. Puppeteer A Selenium, Playwright and Puppeteer testing platform running in Kubernetes or Openshift clusters. With Playwright, we'd like to take it one step further and offer the same functionality for all the popular rendering engines. Their response is that they have only patched the WebKit and Firefox debugging protocols, not the actual rendering engines. Selenium uses the WebDriver protocol, which requires running a server that acts as an intermediary between Selenium and the browser. The last noteworthy difference is that Playwright has a more powerful browser context feature that lets you simulate multiple devices with a single browser instance. Hosted on Heroku, this web page is built using Vue.js and has a tiny Express backend. Eventually, programmers started using headless browsers in some cases. You can find the full data sets in our GitHub repository. Browser Automation. Check out popular companies that use Playwright and some tools that integrate with Playwright. Stay tuned, as we surface new and practical comparisons that tell us more about the tools we love using. 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. Looking at the source code of the page. Puppeteer: Yes Playwright: Yes Parallelism Grids and Infrastructure. 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. It just means that, for now, Playwright can be easier to use for some situations. Playwright vs Puppeteer. Puppeteer proved that there is a lot of interest in the new generation of ever-green, capable and reliable automation drivers. Browser Automation. Playwright supports cross browser properly. Selenium vs. Puppeteer for Test Automation: Is a New Leader Emerging? Starting a new library also allowed the Playwright team to make the API more ergonomic in ways that would be breaking changes in Puppeteer. Puppeteer, in contrast, controls Chrome using the nonstandard DevTools protocol, so it talks to the browser directly and provides additional functionality over Selenium like intercepting network requests. Overall, I’m glad there is healthy competition in the browser automation space. It may be faster but that depends on browser too right? Proportionally, the difference between the newer tools and both flavours of WebDriverIO is also lower. Looking at the progress on both sides, we wonder if the future will bring DevTools to the forefront, or if WebDriver will keep enjoying its central role in browser automation. 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 In the case of Selenium benchmarks, our scripts ran against a standalone server, i.e. the open-source Puppeteer Recorder). Live and automated testing are supported. However, there doesn’t appear to be any public work on Puppeteer support for WebKit. Our friend Eduardo Riol joins us to discuss two modern tools used for test automation: Selenium and Puppeteer. Playwright is built to enable cross-browser web automation that is ever-green, capable, reliable and fast. Playwright or Puppeteer? Processor Name: 6-Core Intel Core i7 It can also be configured to use full (non-headless) Chrome. Still, our previous experience showed us that most Selenium users who chose JavaScript used WebDriverIO to drive their automated scripts, and therefore we chose it over other candidates. The launch tweet from Andrey Lushnikov (who’s Twitter bio is “former TL @ Chrome Puppeteer, former eng @ Chrome DevTools”), is responded to by Sam Sneddon who questions the cross-browser compatibility. The landscape changed significantly in 2017. Cloud Grid. L3 Cache: 12 MB When I understand the results correctly Puppeteer was only faster on short running test on a demo app. I think the three main factors to consider are cross-browser support, long-term library support, and your particular use case for browser automation. The resemblance to Google's Puppeteer is striking, and for good reason. You can check the status of the test suite at the Is Playwright Ready? Source, No fluff, all relevant product updates & long form content. Hyper-Threading Technology: Enabled We parked this and similar question to avoid scope creep for this first benchmark. PhantomJS was one of the more popular ones. taminif. 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. In the words of the authors: We are the same team that originally built Puppeteer at Google [...]. It can also make sense to stick with Selenium or whatever you are currently using if it is working well for you. Selenium is also fairly resource-heavy, in part because it has generally been used to run full browsers. Puppeteer proved that there is a lot of interest in the new generation of ever-green, capable, and reliable automation drivers. The browser type comes from an import at the top, const { chromium, devices, firefox } = require('playwright'); . extends: EventEmitter; A Browser is created when Playwright connects to a browser instance, either through browserType.launch([options]) or browserType.connect(params). Keep this in mind when choosing an automation tool. Feel free to skip this section in case you want to get straight to the results. Selenium vs. Puppeteer for Test Automation: Is a New Leader Emerging? Written by Danny Guo ️ Playwright is a Node.js library for browser automation. It’s just like Google’s Puppeteer, only instead of being Chrome-only, it also “works” in Firefox and Safari. This avoids the otherwise likely situation that your browser eventually gets an update that breaks Puppeteer. Why playwright > Puppetter. Puppeteer is also a Node.js library for browser automation. the open-source Puppeteer Recorder). You can find the scripts we used, together with the individual results they produced, in the dedicated GitHub repository. We suggest keeping an eye on both technologies. "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. Below you can see the aggregate results for our benchmark. Puppeteer vs. Playwright As mentioned, the Puppeteer and Playwright libraries are very similar to each other and even share creators. Playwright is a new tool for browser automation which was built by the same team that originally developed Google Chrome Puppeteer. … This requirement for a special server adds complexity. We used Puppeteer in several projects, and overall it was not bad. # Choosing selectors. ├── @wdio/local-runner@6.9.1 It works perfectly with any app, regardless of framework, and has plugins to log additional context from Redux, Vuex, and @ngrx/store. This left us wondering whether this was due to a higher startup time on Playwright's side. Data retrieval in GraphQL with react-apollo, HTML tags every frontend developer should know, localForage: Managing offline browser storage. 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. ├── @wdio/cli@6.9.1 Fluctuations in execution time might not be a big deal in a benchmark, but in the real world they could pile up and slow down a build. In this first scenario, performing a quick login procedure, we expected an execution time of just a few seconds, great for highlighting potential differences in startup speed between the actual tools. On the other hand, many teams have decided that testing more than one browser (usually Chrome) isn’t worth the marginal benefit. website. Runs on your own hardware or in any popular cloud platform: Google Cloud, Amazon Web Services, DigitalOcean, Microsoft Azure and so on. We operate a large grid of real browser instances, ready to run your headless tests. Nowa wyszukiwarka?To wszystko i wiele więcej w dzisiejszym ITea Morning️Subskrybuj Itea! Run Headless tests with Puppeteer and Playwright. We don’t know for sure that Playwright’s approach of patching Firefox and WebKit will work out in the long run. Our results will show the following values, all calculated across 1000 runs: Stay tuned, as we might explore these topics in upcoming benchmarks. Differing from puppeteer, playwright allows you to launch from a different browser directly or as a property of the playwright object. For testing specifically, Cypress has also become a popular choice. We still recommend you take the time to go through it, so that you can better understand exactly what the results mean. playwright.webkit. Yet, determining which automation tool is generally faster is far from simple. Last week, Microsoft announced its new “Playwright” tool, which is very much like Puppeteer and created by many of its original contributors. Puppeteer can drive either Chrome or Chromium (the open-source browser that Chrome is based on), and by default, installing Puppeteer also downloads a compatible version of Chromium. Selenium is a time-tested tool, but Puppeteer, a new contender, has some powerful features that … The docs also show it’s simple to just loop through the available browsers like so: I’m a fan of Puppeteer however Playwright is a much nicer browser automation library. 4 min read The script we ran looks a lot like a classic E2E test: it logged into Checkly, configured an API check, saved it and deleted it immediately. While it’s possible that these changes might get merged in eventually, that is not guaranteed. Playwright was built on the experience of building Puppeteer and offers a different architecture. ├── chromedriver@87.0.0 We wanted to support users with synthetic monitoring and testing to let them know whether their websites worked as expected at any given moment. Scale your browser automation by taking advantage of our cloud. Playwright is a Node library to automate the Chromium (opens new window), WebKit (opens new window) and Firefox (opens new window) browsers with a single API. Browser automation is not a new technology. ├── @wdio/spec-reporter@6.8.1 Puppeteer makes it easy to get started with browser automation. Google maintains Puppeteer and Microsoft maintains Playwright. However, the Playwright team’s approach to cross-browser support is controversial. Puppeteer is getting a lot of buzz as a way for JS developers to create E2E/UI tests. We can now step back and compare the execution times across scenarios: Have doubts about the results? Unconvinced about the setup? The Puppeteer team essentially moved from Google to Microsoft and became the Playwright team. For example, there is ChromeDriver, geckodriver (for Firefox), and safaridriver. ├── playwright@1.6.2 Read below to know more about the results and how we obtained them. Also, it looks like the top 4 contribs to Playwright are also MS employees. Selenium is a time-tested tool, but Puppeteer, a new contender, has some powerful features that … It’s pretty straightforward once you realize all the methods return promises: 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. Puppeteer is getting a lot of buzz as a way for JS developers to create E2E/UI tests. In this case we chose our own, which runs a Vue.js frontend and a backend which heavily leverages AWS. 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. In addition to logging Redux actions and state, LogRocket records console logs, JavaScript errors, stacktraces, network requests/responses with headers + bodies, browser metadata, and custom logs. With Playwright, we'd like to take it one step further and offer the same functionality for all the popular rendering engines. By using the Playwright API, you can write JavaScript code to create new browser pages, navigate to URLs and then interact with elements on a page. Playwright is a Node library which allows you to automate all major browsers - Chrome, Firefox, WebKit, and the new Microsoft Edge - plus the ability to execute actions, take screenshots, and much more, similar to Puppeteer. So, essentially the same team, and a majority of which (including the top contrib from Puppeteer) work for MS. Total Number of Cores: 6 Selenium tests are commonly flaky, failing intermittently for non-obvious reasons that are difficult to reproduce. With a recent update to Azure Functions, it is now possible to run headless Chromium in the Linux Consumption plan. But is it better than Selenium? 1. Even though Puppeteer and Playwright sport similar APIs. Both of them can automate Chromium. Proportionally, the difference between the newer tools and both flavours of WebDriverIO is also lower. In this case the difference in execution time between Playwright and Puppeteer has all but vanished, with the former now coming up on top and displaying a slightly lower variability. returns: This object can be used to launch or connect to WebKit, returning instances of WebKitBrowser. 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. February 12, 2020 Tweet Share More Decks by taminif. # Puppeteer vs Playwright 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. Documentation | API reference. This is a benefit of being supported by the Chrome team. I wondered why Playwright is better – a new tool that neatly rests on GitHub in a Microsoft organization. You can use our benchmarking scripts shared above. This is in part because of how it interfaces with the browser. Puppeteer example without async/await. Leveraging an automated recording tool (e.g. Playwright’s biggest differentiating point is cross-browser support. The main draw here is that it supports multiple browsers, whereas we’ve always been limited to just Chrome using Puppeteer. Therefore we decided to run our own benchmarks to see how newcomers Puppeteer and Playwright measured against the veteran WebDriverIO (using Selenium and the DevTools automation protocols). Which browser version pinned to same? Also interesting is just how close the results are: the chart shows the lines crossing each other continuously, as the automation protocol does not seem to make a sizeable difference in execution time in this scenario. Playwright is an open-source Node.js library started by Microsoft for automating browsers based on Chromium, Firefox, and WebKit through a single API. # Puppeteer vs Playwright. For example, Playwright’s page.click waits for the element to be available and visible by default. For each benchmark, we gathered data from 1000 successful sequential executions of the same script. Selenium WebDriver was a pioneer in … Playwright is well maintained by some developer who started puppeteer and there are less bugs on playwright than on Puppeteer. Google followed up headless Chrome with the public release of Puppeteer a few months later. Swatinem Blog Resume Comparing Cypress and Puppeteer An exercise in anger management 8 October 2019 — 10 min . It recently added beta Firefox and Edge support. 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. There are many other factors too. We were looking forward to this scenario, but each of us had different expectations on what the numbers would look like. Still, most of us having worked with Selenium for many years, we were keen to understand if these newer tools were indeed any faster. The drama started immediately. I’ve used Puppeteer for website testing and for automating data entry in TurboTax, and it was a relatively painless process in both cases. Support for Firefox in cypress is still under development and tracked by this issue. Number of Processors: 1 Utagawa Hiroshige, 1835, Japan. Our primary goal with … Yet comprehensive support is an almost impossible task because of how complicated browsers have become. I wondered why Playwright is better – a new tool that neatly rests on GitHub in a Microsoft organization. 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 ... Puppeteer. On a more complex E2E test actually Playwright was slightly better performing. For cross-browser support, it’s important to know that Puppeteer recently added experimental support for driving Firefox and is able to do so without patching Firefox. └── selenium-standalone@6.22.1, scripts@1.0.0 /Users/ragog/repositories/benchmarks/scripts We’d like to see Playwright vendor-neutral and shared governed. Run your own benchmark! Whilst it adds support for Firefox and Webkit, even if you’re running your e2e tests in one browser (Chromium) I’d still recommend Playwright over Puppeteer any day of the week. In addition, I remembered that at the end of last year, Puppeteer had a major release of version 2.0. This doesn’t mean that Puppeteer won’t get similar improvements later in a new major version. Cloud Grid. L2 Cache (per Core): 256 KB You should also consider what library has better prospects for future development. Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster. 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. 9.4 9.9 Puppeteer VS Playwright Headless Chromium, WebKit, and Firefox with a single API. We'd like to see Playwright vendor-neutral and shared governed. PuppeteerとPlaywrightの15日間の演劇 / relation of Puppeteer and Playwright. When I understand the results correctly Puppeteer was only faster on short running test on a demo app. Speed was a primary concern in our case. Our first benchmark ran against our demo website. In their own words: Playwright is focused on enabling cross-browser web automation platform that is ever-green, capable, reliable and fast. 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 }); . 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. Run Headless tests with Puppeteer and Playwright. So if testing for your iOS users is important, Playwright should be appealing. We made this choice to limit overhead on execution time. class: Browser. It also instruments the DOM to record the HTML and CSS on the page, recreating pixel-perfect videos of even the most complex single-page apps. 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 … Complex E2E test actually Playwright was built on the experience of building Puppeteer and offers a different set of.! Decks by taminif do you write the equivalent without async/await, is that Playwright... Ms employees that Puppeteer won ’ t get similar improvements later in a new Leader Emerging yet these still... Allows you to launch from a different set of APIs to automate Chromium, Firefox WebKit... Can find the full data sets in our GitHub repository almost always underestimated below you find! Produced, in the dedicated GitHub repository 1000 successful sequential executions of the same script and has reputation... This left us wondering whether this was due to a higher startup time on Playwright were looking forward this! That have not been developed in conjunction with the Playwright object the playwright vs puppeteer score our. To this scenario, but each of us had different expectations on the. Happened in your own browser scope creep for this first benchmark Playwright on January... Same script update to Azure Functions, it was not bad also allowed the object. Show that it supports multiple browsers, whereas we ’ d like to see Playwright and. To Puppeteer in several projects, and for a long time, it looks like top... A frontend application monitoring solution that lets you replay problems as if they happened your. Comparisons playwright vs puppeteer tell us more about the tools being tested are tested under significantly different conditions are flaky... The … Puppeteer example without async/await check out popular companies that use Playwright and some tools integrate... Fetched from the backend, and safaridriver experience of building Puppeteer and Playwright each support a set. 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Who was also the 2nd top contrib to Puppeteer in several projects, and automation... Developers to create E2E/UI tests since 2004, and Playwright also bundles compatible browsers by default faster! And has a reputation for being unreliable we love using buzz as a way for JS developers to E2E/UI... As a way for JS developers to create E2E/UI tests are doing something like a... Contribs to Playwright are also MS employees overhead on execution time testing for your users. And shared governed their response is that they have only patched the WebKit and Firefox teams form content operate large. Them know whether their websites worked as expected at any given moment tests locally and if the being... Chromium in the WebDriverIO runs Selenium uses the WebDriver Protocol, which requires a.