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THE FEUTEX TOOLKIT

Web Page Resource Budget

Estimate cold transfer from resource classes and a chosen compression ratio for text.

Networking workspace● Runs in your browser
01 Your input
02 Your result
View or copy raw result data
FormulaCold payload transfer = html*ratio/100+images+fonts; Budget headroom = budget-html*ratio/100-images-fonts

Made for real tasks

  • Estimate cold transfer from resource classes and a chosen compression ratio for text.
Explore step-by-step workflows →

Worked example

Inputs

HTML and CSS and JavaScript
900 KiB
Compressed text to raw ratio
25 %
Image payload
1500 KiB
Font payload
120 KiB
Transfer budget
2000 KiB

Expected results

Cold payload transfer
1845 KiB
Budget headroom
155 KiB

Load the example in the workspace to reproduce these results. Display rounding does not change the underlying calculation.

How to use this tool

  1. Enter html and css and javascript, compressed text to raw ratio, image payload, font payload, transfer budget in the displayed units.
  2. Calculate the scenario, then compare it with measurements before changing a system.

Try this example

{
  "html": 900,
  "ratio": 25,
  "images": 1500,
  "fonts": 120,
  "budget": 2000
}

Accuracy and scope

Transfer accounting only; not a Core Web Vitals score or load-time prediction.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.