Playwright proxy setup
About this tool
Playwright is a modern cross-browser automation and end-to-end testing framework that drives Chromium, WebKit, and Firefox through a single unified API across Node.js, Python, Java, and .NET. Playwright automates Chromium, Firefox, and WebKit from several programming languages. Its test runner includes automatic waiting, retrying assertions, isolated browser contexts, and tracing, helping teams build reliable browser tests and scripts. Proxy settings can be matched to the browser environment used by a task.
Key capabilities
Isolated BrowserContexts & auto-waiting: Spawns lightweight, isolated `BrowserContext` instances within a single browser process in milliseconds—each with its own cookies, storage, and proxy—backed by actionability auto-waits, web-first assertions, and Trace Viewer debugging.
- Cross-browser automation：Playwright supports Chromium, Firefox and WebKit through JavaScript, Python, Java and .NET. Browser contexts isolate cookies, storage and sessions so tests can run independently without inheriting earlier test state.
- Isolated browser contexts：Automatic waiting checks element readiness before interactions, while retrying assertions wait for expected outcomes. Screenshots, videos and Trace Viewer help teams inspect actions, network activity and page state when diagnosing a failed step.
Where it fits
Cross-browser regression and end-to-end tests can run the same business checks with contexts representing different accounts or regions. Assign connectivity at the appropriate browser or context level and verify it from a page within the actual task.
- Concurrent dynamic scraping & geo-verification testing: Ideal for running parallel multi-region storefront checks, complex dynamic web extraction, and resilient end-to-end regression suites.
- Supports HTTP(S) and SOCKS5 proxies both at browser launch and per `browser.newContext()`, enabling different proxies per tab context; Datacenter proxies are recommended for high-concurrency automated runs.