Puppeteer blocked. However, on my production server which is a VPS.
Puppeteer blocked With Puppeteer, Google’s headless browser library for Node. This guide offers advanced techniques and alternatives for seamless web scraping. When it comes to web scraping and automation, bypassing Cloudflare presents a significant challenge. #1936 Sep 9, 2024 · Learn how to set cookies in Puppeteer using JavaScript. webdriver property will be available which can be a red flag for websites that try to verify if you're using any automated tools. Aug 8, 2021 · Puppeteer, cloudflare websites return 403 (forbidden) Asked 3 years, 9 months ago Modified 3 years, 9 months ago Viewed 5k times Aug 1, 2025 · Learn how to use Puppeteer Stealth to bypass anti-scraping measures and avoid detection. content()) is an easy way to verify that your HTML structure in Puppeteer is what you expect. at) with Puppeteer and when I try to navigate to the next page the Cloudflare waiting screen comes in and disrupts the scraper. But no worries. Conclusion Puppeteer is a powerful headless browser for extracting data from websites, but it comes with challenges, notably the Puppeteer 403 Forbidden error, and we've explored various techniques to help you avoid it. I'm using Puppeteer for this Oct 23, 2020 · I'm having issues using external resources in a Puppeteer job that I'm running with a full Chrome executable (not the default Chromium). Let's begin. Puppeteer blocked at . The issue I'm having is happening for both, and the code is also similar. I was using puppeteer. 1 npm Oct 25, 2023 · ERR_BLOCKED_BY_ORB with puppeteer Asked 2 years ago Modified 3 months ago Viewed 150k times For example, by default, if you use Puppeteer, the navigator. 3. Puppeteer can be used for testing Chrome Extensions. Luckily, the Puppeteer-Extra-Plugin-Stealth can help you avoid this issue. 0 Platform / OS version: Ubuntu 20. In summary, insecure images that are continue d with anything but themselves won't load. Feb 1, 2022 · Usually ERR_BLOCKED_BY_CLIENT comes when your resource is blocked by a Chrome extension. log(await page. In this article, you'll learn how to customize the Puppeteer HTTP request headers with the best strategies to go unnoticed. However, when using puppeteer 22. I had to manually tweak some browser parameters one by one (eg: audio/video supported, extensions installed, mouse movement etc) distill js checks and then trick distill to think my puppeteer is a normal chromium browser. Feb 20, 2025 · Learn how to create a web scraper with TypeScript, Puppeteer, and Node. Sep 5, 2024 · Does your Node. jar files keeps getting blocked by the browser, example: I have tried all sort of different flags, to disable this. Feb 25, 2024 · Puppeteer, a Node library developed by Google, provides a high-level API to control headless browsers or full browsers over the DevTools Protocol. io/ through Puppeteer. 0 (Chrome for testing version 121. This means that the Stealth plugin will pass an anti-bot fingerprinting test that checks the WebDriver parameter and is unlikely to get blocked. 121 When I connect to the chrome instance us Dec 6, 2023 · Have you ever wondered why your Puppeteer web scraper gets blocked? The answer often lies in your HTTP header configuration. We‘ll cover several different techniques and walk through the process Cookies Puppeteer offers methods to get, set and delete cookies ahead of time by manipulating browser storage directly. 6167. Any help would be massively appreciated! So for example, if To scrape pages protected by Cloudflare and avoid a 403 block: Use Headless Browsers: Simulate real user behavior with tools like Puppeteer or Selenium. Jun 20, 2024 · Describe the bug puppeteer-extra-plugin-stealth package works on https://meet. 1 npm 7. In each case, we'll bypass the Cloudflare Challenge page to demonstrate their strengths. This guide will walk you through the essentials of web scraping with Puppeteer in a simple, clear, and Feb 27, 2024 · Do you frequently use Puppeteer for web scraping? If so, you’re likely familiar with the all-too-common challenge of getting blocked. Rotate IPs and User Agents: Frequently change IP addresses and user agents to mimic different users. #11379 May 30, 2022 · I am using puppeteer to perform some action and to take screen shots. Feb 8, 2023 · In Node, Puppeteer scripts are often detected as bots, so they are blocked outright or served a restricted version of a page. hotbit. Are you sure the URL is correct and can you check by disabling extensions? Nov 11, 2025 · Learn how to use Puppeteer with Cloudflare Workers for browser automation. Please include code that reproduces the issue. The steps outlined aim to ensure effective web scraping while avoiding detection by Cloudflare. js. By default Feb 27, 2021 · I want to use Puppeteer to generate PDF. Use Residential Proxies: Opt for residential proxies over datacenter proxies to reduce blocking. Aug 27, 2019 · I'm using puppeteer to download files on a website, and it works. This is because it lacks built-in capabilities to bypass detection mechanisms, as stealth was not its original purpose. The entire process has multiple authentication, first Gmail login, then the SSO redirects to Microsoft and from them we get int Feb 19, 2021 · Turn on interception Attempt to replace the image with some other random image on the web using request. Oct 25, 2018 · What is the expected result? I expect the extension to work in incognito mode. 0 (Chrome for testing version 1 In this guide, we discuss the waitForNavigation function in Puppeteer, a method for ensuring precise navigation synchronization during web automation. ZenRows. How do some of these websites that scrape instagram or tik tok avoid getting banned with thousands of requests when I get banned with 10-15. Is there an easy workaroun Puppeteer Stealth: Avoid getting blocked. Apr 16, 2024 · Puppeteer is a powerful Node library that allows you to control a headless Chrome browser programmatically. Aug 13, 2020 · In this tutorial, you will build a web scraping application using Node. cookies) will also be stored in the profile you've created which is different from the default behavior of puppeteer that each time runs with a fresh profile. Nov 13, 2023 · [Bug]: When I request this website, the browser page gets stuck and cannot be closed. If the issue still persists in the latest version of Puppeteer, please reopen the issue and update the description. Here's what we'll cover: ZenRows. I use puppeteer. With Puppeteer, you can automate a wide range of web browser interactions, including navigating to pages, filling out forms, clicking buttons, and Jul 9, 2020 · We are closing this issue. How to not get blocked Honest question if someone can help I was building something that scrapes html tables from some sites and my site got blocked. That's because you have to restart the browser to change the proxy the browser is using. 13 + current master branch Platform / OS version: Debian Stretch Uses chrome headless from Docker What steps will reproduce t Now you can use this initialized profile in other runs and block 3rd party cookies. In this comprehensive guide, we‘ll explore how to use the Puppeteer Extra Stealth plugin to avoid getting blocked while scraping websites. Every guide says to go to the elevator to the north. JavaScript API for Chrome and Firefox. This guide provides a step-by-step approach to bypass JavaScript checks and CAPTCHAs, enabling seamless web scraping and automation on Cloudflare-protected websites. Humanoid. 0 What steps will reproduce the pro Feb 13, 2019 · Right now it's easy to delete all cookies via Puppeteer API (which is a bit different to blocking), or a bit more cumbersome to block cookies via Chromre's RDP. This way you will not burn through your proxies. 17. On my local development server, everything works correctly. Apr 12, 2023 · The profile import is not a feature of Puppeteer, it's the browser feature, in this case Chromium. connect to connect to the local chrone instance that starts the debugging protocol. Also, could you provide the Puppeteer/browser version you are testing with and a basic script to reproduce the issue? How To Make Puppeteer Undetectable Designed primarily for web developers to automate user interactions for testing purposes, Puppeteer often gets blocked when used for web scraping and data extraction. Puppeteer. js library for web scraping and browser automation. Compare their features, pros, cons, and use cases to choose the best option for your project. Here is my code thanks for help. Sep 28, 2019 · I had to randomize some of my puppeteer browser fingerprint dynamically and even my ip to make it look its not a bot. ERR_BLOCKED_BY_ORB with puppeteerI'm working on an Express JS API for converting base64 HTML to PDF. But I'm met with "Checking your browser before accessing www. It covers setting up Puppeteer, the importance of proxies, selecting a reliable proxy provider, testing proxy quality, and enhancing Puppeteer with additional plugins. Particularly in the AdBlock Plus the character string " -300x600 " is causing the Failed to Load Resource ERR_BLOCKED_BY_CLIENT problem. This is my current usage. Mar 6, 2019 · Chrome jump error: ERR_BLOCKED_BY_CLIENT. I am able to reproduce in Chrome for Testing using Puppeteer but the original report is from the WebDriver IO library. At least one of the methods in this article will help you bypass it. With Puppeteer, you can navigate to web pages, fill out forms, click buttons, and of course, download files. js scraper keep getting blocked by Cloudflare? You're in the right place to find the way out! This article explains the best methods and tools to bypass Cloudflare while scraping with Node. Aug 15, 2021 · Puppeteer blocked as robot with headless: true but not blocked with headless: false Asked 3 years, 8 months ago Modified 3 years, 8 months ago Viewed 2k times Oct 4, 2024 · Learn how to bypass Cloudflare with Puppeteer and make your web scraping projects smoother with this step-by-step guide! Sep 21, 2020 · New issue New issue Closed as not planned Closed as not planned some websites block puppeteer access and show blank ad page #6436 unconfirmed May 2, 2025 · This guide addresses common network interception errors encountered in Puppeteer scripts, offering solutions and troubleshooting tips for developers. In this article, we will see how to bypass Cloudflare Bot Management Nov 12, 2025 · Whether I manually open the new tab before, during or after the puppeteer-created tab, as soon as the manual tab begins to load the URL, the puppeteer-created tab suddenly begins working. Is the Feb 19, 2020 · When I use Puppeteer to get the HTML of a page with an iframe, I run into DOMException: Blocked a frame with origin [url] from accessing a cross-origin frame I understand to bypass this, I can us Dec 18, 2024 · Puppeteer is a fantastic headless browser library, yet it can easily be detected and blocked by anti-scraping measures. For that, you might need to consider incognito mode. 6 and it no longer installs. Explore methods for managing cookies, handling secure and HttpOnly cookies, and implementing cookie persistence in your web automation projects. This is a problem that I certainly have had to address and the best solution to avoid being blocked is puppeteer and some of the great tools in puppeteer-extra. From this example you now know how to launch Puppeteer with the puppeteer-extra library, block specific resources and dynamically change which resources are being blocked. 2 Chrome version: 72. Puppeteer has no explicit support for blocking cookies and there is no way to do it with Puppeteer. Mar 26, 2020 · Can't acces the extension config file with error: err_blocked_by_client #5544 How To Bypass Cloudflare with Puppeteer With nearly 20% of internet traffic flowing through Cloudflare, it stands out as one of the most reliable and effective methods for identifying and mitigating bot activity on websites. What Is the Puppeteer User Agent? To understand what the Puppeteer User Agent is, you must Web scraping always seemed super hard to me. Jan 22, 2020 · The websocket related function you see blocking the event loop is CDP (Chrome Debugger Protocol) traffic. Mar 18, 2021 · Steps to reproduce Tell us about your environment: Puppeteer version: 8. 21. You have static content, dynamic content, content rendered on the server side and client side, content that requ Puppeteer version: 1. Why Puppeteer Alone Can’t Bypass Cloudflare While Puppeteer is a powerful tool for browser automation and a popular choice for building a Puppeteer scraper or a full Puppeteer project, it falls short when it comes to bypassing Cloudflare on its own: Jul 23, 2020 · I would like to open https://krunker. js version: 10. Step-by-step guide to automate web scraping while avoiding blocks and CAPTCHAs. 4 Puppeteer 8. 15. It just says "controlled by mechanisms the human mind is unable to comprehend". 2. 04 LTS URLs (if applicable): Node. If you’re running a basic script without modifying fingerprints, you'll likely get blocked quickly. May 29, 2025 · How to use Proxy in Puppeteer? Master proxy configuration in Puppeteer to test location-specific behavior, bypass geo-restrictions, and secure your automation flow. 0. Contribute to puppeteer/puppeteer development by creating an account on GitHub. Learn direct downloads, HTTP methods, and modern approaches with code examples. If this happens to you often, your User Agent might actually be flagging you as a bot. However, whenever I open up Krunker. It's pretty simple, it only added about 12 LOC to my project. Nov 29, 2023 · I am trying to scrape some startups data of a site (bestsecret. What Is Puppeteer Fingerprinting? Puppeteer fingerprinting isn't a standard term but is part of browser Complete guide to handling file downloads in Puppeteer. In this guide, we’ll explore how to overcome this limitation by making Apr 19, 2022 · I'm trying to enter hotbit. 1. I'm using Piscina to run a pool of workers. If the issue does not reproduce, it should be due to the flags Puppeteer starts the browser with. One thing to watch out for: use an Mar 13, 2025 · Learn how to bypass Cloudflare protection using Puppeteer. This is where Puppeteer Extra, with the help of Puppeteer Stealth plugin, plays a key role. This problem occurs when I try to rewrite a download request to a different address. Learn how to integrate Puppeteer Stealth into a puppeteer scraping script to avoid getting blocked. are they just using proxies? Feb 17, 2024 · Stuck in Strings of the Puppeteer I just killed Tervantius. js version: v14. I just want puppeter to download the files, without this warning. First, you will co… I am using puppeteer extra with puppeteer-extra-plugin-stealth but I get detected by cloudflare even when I set up the user agent and some other args i keep getting to the cloudflare page and I tried to check the human input but it keeps redirecting to the cloudflare iframe. google. continue({ url: <some random jpg> }) It won't load. 0 I tried many tutorials on the web to do it. js and Puppeteer. com website with puppeteer version 22. Puppeteer provides a high-level API to control headless Chrome or Chromium browsers programmatically. Puppeteer Crawler With PuppeteerCrawler the situation is a little more complicated. I'd like to catch some informations from a website, which needs authentication for vi Each time handleRequestFunction is executed in this example, requestPromise will send a request through the least used proxy for that target domain. Feb 5, 2025 · Puppeteer@24. We will try our best to accomodate it! Mar 13, 2025 · To overcome this, we tried several alternative approaches: Puppeteer + rotating proxy puppeteer-extra-plugin-stealth Puppeteer-real-browser + rotating proxy Puppeteer-real-browser + FlareSolverr pre-request + rotating proxy Current Approach To address the issue, we decided to make a pre-request to the site using FlareSolverr. Jun 29, 2024 · While Puppeteer is powerful, it can easily be detected and blocked by anti-bot mechanisms. Jan 25, 2025 · One of the most popular and flexible tools for web scraping is Puppeteer, an open-source Node. Nov 7, 2024 · We got a report that in recent versions navigation to http endpoints fails with a net::ERR_BLOCKED_BY_CLIENT. js to extract data from websites efficiently. io, with my Puppeteer. Not much you can do about that apart from getting it off the main thread. Jan 28, 2025 · A major issue when scraping with a tool like Puppeteer is getting blocked by your target website. The problem is some filetypes like . g. In this ultimate guide, I‘ll show you everything you need to know to become a Puppeteer download expert. What is the Puppeteer Extra Stealth Plugin, how does it work, and how can you use it during your web scraping process? Find the answer to these and other common questions below. Adding console. Cloudflare Sep 8, 2024 · Learn how to use Puppeteer Stealth to scrape websites without getting blocked. Access Puppeteer API, manage sessions, and optimize browser rendering. connect (). What are Puppeteer Headers? The HTTP request header influences how the server processes and responds to your request, including how WAF (Web Jul 16, 2020 · Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges, Jan 22, 2025 · Notifications You must be signed in to change notification settings Fork 342 Apr 19, 2022 · you are blocked by server , however puppeteer itself is easy to be detected , so you have to configure the puppeteer to undetected also you can use some plugin called puppeteer-extra and puppeteer-extra-plugin-stealth Jan 7, 2025 · Web scraping is an incredibly powerful tool for gathering data from websites. This is useful if you need to store and restore specific cookies for your tests. 0 Platform / OS version: Windows 10 Node. Nov 22, 2017 · Steps to reproduce Tell us about your environment: Puppeteer version: 0. Jul 15, 2024 · Puppeteer Stealth, on the other hand, shows a higher chance of evading detection with a headless score of 0%. Mar 14, 2021 · This article provides 6 Puppeteer tricks with JS examples, which definitely will help you to avoid detection and scrape the web. Dec 12, 2024 · Explore Puppeteer vs Selenium in web scraping. Catching network errors in Puppeteer reveals: ERR_BLOCKED_BY_CLIENT. I'm using Puppeteer for this Sep 1, 2018 · Hello I have problem in my code using puppeteer, CORS error happens randomly but in 80% of my tests. Cloudflare doesn't rely on one method; it combines several signals to decide whether a session looks real or automated. When I run my progr Jun 17, 2021 · Steps to reproduce Tell us about your environment: Puppeteer version: v10. , and help you make the most out of Puppeteer in your web automation projects. That is how puppeteer communicates with the headless browser. Your app will grow in complexity as you progress. Puppeteer Stealth. However, you might still get blocked by advanced anti-bot mechanisms. Puppeteer gives you low-level control over Chromium, but Cloudflare is built to detect exactly that kind of automation. Aug 7, 2018 · Puppeteer and PhantomJS are similar. You'll learn all about how they work, including ready code examples to start scraping right away. net::ERR_BLOCKED_BY_CLIENT I've encountered this problem while test crawling our customer service site. But the code is blocked on bro Oct 9, 2018 · 👍 1 klaaz0r changed the title net::ERR_BLOCKED_BY_CLIENT with chrome-extension running inside Docker net::ERR_BLOCKED_BY_CLIENT with chrome extension running inside Docker on Oct 9, 2018 Jul 13, 2021 · Whether I manually open the new tab before, during or after the puppeteer-created tab, as soon as the manual tab begins to load the URL, the puppeteer-created tab suddenly begins working. 0 What steps will reproduce the problem? Jan 3, 2025 · This article provides a comprehensive guide on bypassing Cloudflare challenges using Puppeteer Real Browser. js, you can automate the process of navigating pages, clicking buttons, and extracting information—all while mimicking human browsing behavior. To keep this page up-to-date we largely rely on community contributions. Jan 17, 2024 · Check out our Puppeteer Stealth tutorial to learn more. May 8, 2024 · In this article, we will equip you with practical Puppeteer tips to overcome common obstacles like being blocked, long page load time, cross-browser errors, etc. 13. BTW the server respond is Access Sep 13, 2024 · Are you getting blocked by Cloudflare while scraping with C#? Cloudflare protection is a common blocker during web scraping. 6834. Feb 13, 2025 · Is your Puppeteer scraper getting blocked? Modifying its fingerprints can improve stealth. In this article, you'll learn how Puppeteer fingerprinting works, how it contributes to anti-bot detection, and how to improve its fingerprints to bypass blocks during scraping. 3626. 5. Dec 31, 2019 · Demo code here One of the main questions I see on forums and reddit with regards to web scraping is…”how do I avoid being blocked?”. newPage ()I want to use Puppeteer to generate PDF. Learn how to block image requests in puppeteer with request interception Apr 25, 2023 · Discover 3 ways on how to download files with Puppeteer and build a web scraper that does exactly that. js and . 18. This extension works well with Allow in incognito switched on in Google Chrome, outside of Puppeteer Aug 2, 2022 · Could you try running the desktop browser with the --remote-debugging-port parameter and connect to that instance using borwser. io" the moment puppeteer tries entering the page. In this article, you'll learn how to change the Puppeteer User Agent to avoid detection and access the data you need. One powerful feature of Puppeteer is the ability Aug 26, 2024 · Learn how to effectively solve Cloudflare's security challenges using Puppeteer and CapSolver. 0 / chrome@132. js version: v10. My environnement dev WSL2 Debian Buster Node v12. Oct 10, 2024 · Discover the best methods to avoid detection with Puppeteer! Scrape any web page online without getting blocked. 85). Click to open the image in full screen An inspection of the WebDriver property also reveals that Puppeteer Stealth patches Puppeteer's Jul 10, 2020 · Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges, Mar 5, 2018 · However this message is not seen by puppeteer, even in the DEBUG=puppeteer:* logs there is no sign of the blocked request. Note: Keep in mind that other data (e. Sep 30, 2023 · Steps to reproduce I just updated puppeteer to version ^21. . io through Puppeteer, it blocks me, saying "Puppeteer Detected". Puppeteer-Sharp Mar 5, 2022 · It looks like the problem with the site, not with Puppeteer. However, on my production server which is a VPS Jan 31, 2018 · When a frame fails to load due to a mixed content issue, the main Page is never considered loaded. js library developed by the Google Chrome team. 0 Platform / OS version: Debian 9 stretch (Docker container) URLs (if applicable): - Node. As shown in the picture, some of the images were blocked because of the '-300x600' pattern in their name, that particular text pattern matches an expression list pattern in the AdBlock Plus. 83 (headless: true) fail to GET pages with basic auth. The gate to the elevator is now open, but I can not operate the elevator to ascend to the final fight. Getting cookies The following example demonstrates how to get cookies available in the browser's default BrowserContext. This is done to keep the persistence of the cookie. This article shows you two tested ways to bypass Cloudflare in C#. Jul 17, 2024 · Learn how to download files with Puppeteer, a popular Node. yyridqcqakhhqcjgjvcohpvylryiodqrvoxvlyrkgxnbloqpxvvvixtfnlnqkluogwwmsnwqvxmuftrsvl