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Browser automation engine benchmark - Test bypass rates, performance & stealth against Cloudflare, DataDome, reCAPTCHA, Kasada, Imperva, Akamai, PerimeterX and other bot detection systems. Find the best browser for scraping.
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A toolkit for testing browser automation engines against modern web protection systems. It checks how well each engine can bypass bot detection and measures their speed, resource usage, and resistance to fingerprinting.
(Need some help with Automation? You can hire me for custom development or consulting!)
Modern web applications use advanced bot detection like Cloudflare, DataDome, and Imperva to block automated access. This benchmark suite shows how different browser automation engines handle these defenses:
Selected from shared topics, language and repository description—not editorial ratings.
kameleo-io /
Anti-detect browser for web scraping and automation. Engine-level fingerprint masking for Chromium and Firefox. Self-hosted, Docker-ready. Integrates with Selenium, Playwright, and Puppeteer via SDKs in Python, JavaScript, and C#.
72/100 healthUsing a clean proxy is essential for accurate benchmark results.
Swiftproxy — Premium residential proxies with 80M+ IPs across 190+ countries, non-expiring traffic, and high-anonymity connections. Built for web scraping, protocol analysis, AI agents, browser automation, and large-scale data collection.
This benchmark provides detailed comparative analysis. Here's an excerpt from a recent test run (more in results/example):
Real IP in this example - 146.70.188.179
Proxy IP in this example is different for each engine
| Engine | Bypass Rate (%) |
|---|---|
| patchright | 100.0 |
| cloakbrowser | 90.0 |
| camoufox_headless | 90.0 |
| nodriver-chrome | 80.0 |
| adspower | 80.0 |
| seleniumbase-cdp-chrome | 80.0 |
| adspower_headless | 70.0 |
| tf-playwright-stealth-firefox | 70.0 |
| tf-playwright-stealth-firefox_headless | 70.0 |
| zendriver-chrome | 70.0 |
| cloakbrowser_headless | 60.0 |
| tf-playwright-stealth-chromium | 60.0 |
| playwright-chrome | 60.0 |
| playwright-firefox_headless | 60.0 |
| playwright-firefox | 60.0 |
| zendriver-chrome_headless | 60.0 |
| tf-playwright-stealth-chromium_headless | 50.0 |
| selenium-chrome__no_proxy | 50.0 |
| playwright-chrome_headless | 40.0 |
| nodriver-chrome_headless | 40.0 |
| patchright_headless | 40.0 |
| camoufox | 30.0 |
| selenium-chrome_headless__no_proxy | 30.0 |
| Engine | Memory Usage (MB) | CPU Usage (%) |
|---|---|---|
| adspower_headless | 123.0 | 4.9 |
| adspower | 130.0 | 7.0 |
| playwright-chrome_headless | 517.0 | 7.4 |
| tf-playwright-stealth-chromium_headless | 522.0 | 8.2 |
| zendriver-chrome_headless | 818.0 | 21.5 |
| tf-playwright-stealth-chromium | 913.0 | 28.6 |
| cloakbrowser_headless | 936.0 | 27.2 |
| selenium-chrome_headless__no_proxy | 948.0 | 10.1 |
| zendriver-chrome | 1009.0 | 38.8 |
| selenium-chrome__no_proxy | 1034.0 | 29.8 |
| tf-playwright-stealth-firefox_headless | 1034.0 | 44.7 |
| playwright-firefox_headless | 1068.0 | 70.3 |
| cloakbrowser | 1082.0 | 54.4 |
| playwright-chrome | 1103.0 | 28.5 |
| seleniumbase-cdp-chrome | 1157.0 | 51.9 |
| playwright-firefox | 1161.0 | 75.5 |
| camoufox | 1181.0 | 53.3 |
| tf-playwright-stealth-firefox | 1261.0 | 67.7 |
| nodriver-chrome_headless | 1275.0 | 24.4 |
| patchright_headless | 1277.0 | 16.6 |
| patchright | 1314.0 | 53.3 |
| camoufox_headless | 1318.0 | 88.6 |
| nodriver-chrome | 1389.0 | 47.4 |
| Engine | Recaptcha Score (0-1) |
|---|---|
| adspower | 0.90 |
| adspower_headless | 0.90 |
| camoufox_headless | 0.90 |
| cloakbrowser | 0.90 |
| cloakbrowser_headless | 0.90 |
| nodriver-chrome | 0.90 |
| nodriver-chrome_headless | 0.90 |
| patchright | 0.90 |
| patchright_headless | 0.90 |
| playwright-chrome | 0.90 |
| playwright-chrome_headless | 0.90 |
| playwright-firefox | 0.90 |
| playwright-firefox_headless | 0.90 |
| selenium-chrome__no_proxy | 0.90 |
| selenium-chrome_headless__no_proxy | 0.90 |
| seleniumbase-cdp-chrome | 0.90 |
| tf-playwright-stealth-chromium | 0.90 |
| tf-playwright-stealth-chromium_headless | 0.90 |
| tf-playwright-stealth-firefox | 0.90 |
| tf-playwright-stealth-firefox_headless | 0.90 |
| camoufox | nan |
| zendriver-chrome | nan |
| zendriver-chrome_headless | nan |
Note 1: "nan" indicates no score was obtained - the website just stopped working when tests were run
Note 2: This Score is taken by solving the reCAPTCHA v3 on your browser. The Score shows if Google considers you as HUMAN or BOT. 1.0 is very likely a good interaction, 0.0 is very likely a bot With low score values (< 0.3) you'll get a slow reCAPTCHA 2, it would be hard to solve it. And vise versa, with score >= 0.7 it will be much easier.
| Engine | Trust Score (%) | Bot Score (%) | WebRTC IP |
|---|---|---|---|
| adspower | 0.00 | 0.00 | 90.214.10.188 |
| adspower_headless | 0.00 | 0.00 | 177.93.10.239 |
| camoufox_headless | 0.00 | 0.00 | 186.86.110.232 |
| cloakbrowser | 0.00 | 0.00 | |
| cloakbrowser_headless | 0.00 | 0.00 | |
| nodriver-chrome | 0.00 | 0.00 | 146.70.188.179 |
| nodriver-chrome_headless | 0.00 | 0.00 | 146.70.188.179 |
| patchright | 0.00 | 0.00 | 146.70.188.179 |
| patchright_headless | 0.00 | 0.00 | 146.70.188.179 |
| playwright-chrome | 0.00 | 0.00 | 146.70.188.179 |
| playwright-chrome_headless | 0.00 | 0.00 | 146.70.188.179 |
| playwright-firefox | 0.00 | 0.00 | 146.70.188.179 |
| playwright-firefox_headless | 0.00 | 0.00 | 146.70.188.179 |
| selenium-chrome__no_proxy | 0.00 | 0.00 | 146.70.188.179 |
| selenium-chrome_headless__no_proxy | 0.00 | 0.00 | 146.70.188.179 |
| seleniumbase-cdp-chrome | 0.00 | 0.00 | |
| tf-playwright-stealth-chromium | 0.00 | 0.00 | 146.70.188.179 |
| tf-playwright-stealth-chromium_headless | 0.00 | 0.00 | 146.70.188.179 |
| tf-playwright-stealth-firefox | 0.00 | 0.00 | 146.70.188.179 |
| tf-playwright-stealth-firefox_headless | 0.00 | 0.00 | 146.70.188.179 |
| zendriver-chrome | 0.00 | 0.00 | |
| zendriver-chrome_headless | 0.00 | 0.00 | |
| camoufox | nan | nan | Not detected |
Note:
| Engine | IP |
|---|---|
| adspower | 90.214.10.188 |
| adspower_headless | 177.93.10.239 |
| camoufox | Not detected |
| camoufox_headless | 186.86.110.232 |
| cloakbrowser | 179.0.46.130 |
| cloakbrowser_headless | 193.5.237.36 |
| nodriver-chrome | 190.232.219.121 |
| nodriver-chrome_headless | 91.54.173.199 |
| patchright | 24.78.176.233 |
| patchright_headless | 181.46.71.26 |
| playwright-chrome | 89.247.171.61 |
| playwright-chrome_headless | 196.65.213.80 |
| playwright-firefox | 79.8.183.149 |
| playwright-firefox_headless | 130.0.11.123 |
| selenium-chrome__no_proxy | 146.70.188.179 |
| selenium-chrome_headless__no_proxy | 146.70.188.179 |
| seleniumbase-cdp-chrome | 142.173.54.135 |
| tf-playwright-stealth-chromium | 212.237.121.217 |
| tf-playwright-stealth-chromium_headless | 83.168.89.168 |
| tf-playwright-stealth-firefox | 196.98.139.187 |
| tf-playwright-stealth-firefox_headless | 45.227.249.248 |
| zendriver-chrome | 47.234.192.130 |
| zendriver-chrome_headless | 142.173.61.185 |
Note: If the IP is your proxy's IP - good, your real IP - bad (applicapable only with proxy).
Clone the repository
git clone https://github.com/techinz/browsers-benchmark.git
cd browsers-benchmark
Set up Python environment
python -m venv venv
source venv/bin/activate # On Windows: venv\Scripts\activate
pip install -r requirements.txt
Install browser engines
Playwright
playwright install
# On Linux also run:
playwright install-deps
Camoufox
# Windows
camoufox fetch
# Linux
python -m camoufox fetch
sudo apt install -y libgtk-3-0 libx11-xcb1 libasound2
Patchright
patchright install chromium
AdsPower (optional)
ADSPOWER_API_KEY in .envConfigure settings
cp .env.example .env
# Edit .env with your proxy settings if needed