b2KIT

Performance Budget Planner

Set page weight budgets for scripts, images, and fonts to keep your site fast.

Load Timeline

200ms
800ms
300ms
3.0s
0ms790ms1580ms
1420ms remaining -- total 1580ms of 3000ms budget

Phase Allocations (ms)

50ms
80ms
200ms
800ms
300ms
150ms
PhaseTime% of TotalCumulative
DNS Lookup50ms3.2%50ms
TCP/TLS80ms5.1%130ms
TTFB (Server)200ms12.7%330ms
Download800ms50.6%1130ms
Parse/Compile300ms19.0%1430ms
Render/Paint150ms9.5%1580ms
Total1580ms100%1580ms

How to Use Performance Budget Planner

  1. 1

    Define your budget

    Set limits for JavaScript, CSS, images, and total page weight.

  2. 2

    Add page resources

    List all assets and their sizes for the page.

  3. 3

    Monitor usage

    Track how close each resource category is to its budget limit.

  4. 4

    Optimize as needed

    Follow suggestions to reduce oversized resource categories.

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