July 25, 20263 min readEleven App Studios
Mobile performance is a product decision
Every hundred milliseconds you add to first paint is a percentage of your funnel. Performance budgets belong in the brief, not the retro.
Budget before build
We set LCP, CLS, and script-size budgets before the first screen is designed. It changes what gets designed.
Measure on real devices
A mid-range Android on a congested network is the honest test. Laptops lie.
Guard the budget in CI
If a regression can merge silently, it will. We fail the build instead.
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Related service: Mobile App Development
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