About

What this site is, and how your data is stored.

About Green Factor

Green Factor provides sustainable engineering guidance and a quick way to assess designs using Green Checks. It is designed to be lightweight and frictionless.

How data is stored

This website stores Green Check projects in your browser on this device. There is no account system and no sign in. If you clear site data or switch device or browser, your projects will not follow you automatically.

Use Export and Import on the Green Checks page to back up your projects and move them between devices.

Suggested workflow
  • Browse guidance when making design decisions.
  • Run a Green Check for a design or feature before implementation.
  • Export a report and attach it to your design documentation or ticket.
Site Impact

Below are a few indicative measurements for this website's footprint and the energy context it is served from. These figures are indicative and can vary by region, hosting and cache state.

Last measured: 26 Feb 2026
CO2 per page view
0.03g
(grams)
Carbon intensity
192g
(gCO2eq/kWh)
Clean energy
27%
(% available)

Info