G2
4.7/5
TrustpilotA headless browser is a full browser engine, such as Chromium, Firefox or WebKit, that runs without a visible window and is controlled by code. It loads pages, runs JavaScript and renders content exactly like a normal browser, but your script does the clicking and reading.
Automation libraries such as Playwright, Puppeteer and Selenium start a browser process and talk to it over a control protocol. Your script tells it to open a URL, wait for an element, fill a form or take a screenshot, and reads the rendered page back. Because a real engine does the work, pages that build their content with JavaScript render fully, which a plain HTTP request cannot do.
The browser sends all of its traffic through one proxy set at launch, or per context in Playwright. Every image, script, font and API call made by the page goes through that proxy, so one page view can mean dozens of requests and several megabytes of data.
Headless browsers are the standard tool for testing your own web app, checking how a page renders in another country, monitoring prices on JavaScript-heavy sites and verifying that ads display as intended. They also change how you budget proxies.
The Playwright setup guide covers per-context proxies, and the Puppeteer guide shows the same in Node.js. For browser workloads, CleanProxies static ISP proxies come with unlimited bandwidth and threads, so heavy pages cost nothing extra.
from playwright.sync_api import sync_playwright
with sync_playwright() as p:
browser = p.chromium.launch(proxy={
"server": "http://HOST:PORT",
"username": "USER",
"password": "PASS",
})
page = browser.new_page()
page.goto("https://example.com")
print(page.title())
browser.close()The CleanProxies proxy that fits best here, with a $4.99 trial to test it first.
Dedicated IPs on US carrier ASNs with unlimited bandwidth and threads, never shared.
Dedicated static IPs registered to US and Canadian ISPs. The address stays the same for as long as you hold it, with unlimited bandwidth and HTTP(S) or SOCKS5 access.
Setup guides and best practices from the CleanProxies blog.
Shared vs dedicated ISP proxies explained: what each model means, what providers publish about sharing, when shared is enough, cost per successful request, and a tested Python script to audit your proxy list.
A step-by-step guide to testing proxy quality before you use it: connectivity, exit IP, ASN, blacklists, fraud score, speed and WebRTC/DNS leaks, with free tools, cURL commands and what good results look like.
Oxylabs' best rates need a $2,500/month enterprise plan. We priced five workloads on Oxylabs and five alternatives on 1 November 2026, with screenshots. CleanProxies ranks #1: dedicated US ISP proxies as low as $0.75/IP, residential from $0.63/GB that never expires.
Smartproxy is now Decodo. We priced the same workloads on Decodo and six alternatives on 1 November 2026, with screenshots. CleanProxies ranks #1: residential as low as $0.63/GB that never expires, US ISP proxies as low as $0.75/IP, mobile from $0.79/GB.
The best IPRoyal alternatives in 2026, compared on prices read from each provider's pricing page on 31 October with screenshots. CleanProxies ranks #1: residential as low as $0.63/GB that never expires, US ISP proxies as low as $0.75/IP with unlimited bandwidth, mobile from $0.79/GB.
A /24 subnet has 256 IPv4 addresses: 254 usable on a LAN, 251 in AWS or Azure, and 255 dedicated proxy IPs per block at CleanProxies. CIDR cheat sheet, Python examples and a tested script that audits your proxy list by /24.
Terms that come up alongside Headless browser.
Straight answers about Headless browser.
Automated testing of web apps, taking screenshots, rendering JavaScript-heavy pages for data collection, monitoring prices and checking how pages and ads appear in other locations.
