From our cohorts

"Render Pipeline Forensics forced me to name every long task in our checkout. The flame chart homework from week 2 is pinned in our wiki."

"Bundle Autopsy Workshop — treemap reading finally stuck."

"Core Web Vitals Lab mentors pushed back when I chased the wrong metric. Honest feedback, not cheerleading."

"Client in internal platform engineering — Optimization Sprint Capstone gave our squad a shared vocabulary for regressions."

"Network Waterfall Reading was dense on day one, but the annotated HAR reviews made sense by Thursday. I would have liked one more async Q&A slot."

"React Profiler Deep Dive. Short. Specific. Useful."

"We brought our staging build into Paint & Layout Timing. Mentors flagged a layout thrash we had ignored for two sprints — fixed before release."

"Edge Caching Strategies module clarified when CDN rules actually move LCP. Still negotiating rollout with infra — course did not promise that for us."