JS Poland 2026 · Live Q&A

Live questions

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3 questions live
Highlighted Architecture Performance Testing AI in Development Other TypeScript Tooling & Dependencies Web Platform & Browser APIs Clear
  • Oskar

    I open a DevTools performance trace and immediately get lost. What should I look for first if a click feels slow?

    Performance
  • Artemii

    I tried building a browser audio demo and it glitches whenever the UI gets busy. Where would you start debugging?

    Performance
  • Leszek

    Our Web Vitals look good, but users still say the app feels slow. What should we measure next?

    Performance