Under the Hood of Browser-use (100k+ Stars): DOM Tree Distillation, Vision Grounding, and Production Web Agents

Why do traditional Selenium and Playwright scripts constantly break against modern web frontends? We dissect the architecture of Browser-use, the breakout open-source project with over 100k GitHub stars: DOM tree pruning, Set-of-Mark (SoM) visual coordinate grounding, state machine resilience, and end-to-end production recipes.