Plenar

Lisbon

17–18 June 2027

Armazém Nove

All speakers
A young man in a dark shirt against a pale grey wall

PlatformBerlin

Jonas Wirth

Performance engineer at Northbeam

Jonas makes big websites feel small. He leads web performance at a travel company where a hundred milliseconds is worth a team's salary, and he's convinced that the performance budget is a design brief in disguise.

Sessions

  • Thu 17 June

    13:45 – 14:15

    Now

    TalkPlatformHall A

    The performance budget is a design brief

    Every kilobyte is a design decision someone made, or didn't. Jonas shows how his team turned a performance budget into constraints designers ask for, and the dashboard that made it stick.

  • Fri 18 June

    15:00 – 15:45

    Now

    KeynotePlatformHall A

    What we build next

    The closing keynote: two engineers on the next five years of the web platform, what design engineers will own, and what we should stop doing now.

Saved sessions show under My agenda on the schedule.

Plenar 27 · Lisbon

Hear them live in Lisbon

17–18 June 2027 · Armazém Nove
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