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Selenium

Tutorials, patterns, and field notes on Selenium test automation.

All Playwright Cypress Selenium API testing CI/CD Test strategy

Selenium Grid 4 on a budget: parallel cross-browser runs with Docker Compose

A working Docker Compose setup that runs Selenium Grid 4 with Chrome, Firefox, and Edge nodes locally and in CI — sharded across 12 parallel sessions for under $0.10 a run.

Jun 3, 2026