Measure Your Website's
Green Coding Score
A Chrome Extension that automatically measures and displays a sustainability score (0-100) for any website you visit. Make the web more eco-friendly.
Features
Everything you need to measure and improve website sustainability
Automatic Measurement
Score is calculated automatically when visiting any website. No manual action required.
Visual Badge
Score displayed directly on the extension icon so you can see it at a glance.
Grade System
Easy-to-understand A-E grades make it simple to evaluate website efficiency.
Smart Recommendations
Get up to 3 actionable suggestions to improve your website's sustainability.
Privacy First
All calculations are performed locally. No data is ever sent to external services.
CLI & API
Use the command-line tool or programmatic API for batch scoring and automation.
How It Works
Get your website's green score in three simple steps
Install Extension
Add the Green Coding Score extension to your Chrome browser from the GitHub repository.
Visit Any Website
Navigate to any website and the extension automatically starts measuring performance metrics.
View Your Score
See your score on the badge, click for details, and get recommendations for improvement.
Scoring Metrics
How we calculate your website's sustainability score
| Metric | Weight |
|---|---|
| Transfer Size | 40% |
| Request Count | 20% |
| 3rd-Party Ratio | 25% |
| Performance Time | 15% |
Command Line Tool
Score websites directly from your terminal
Ready to Go Green?
Install the extension and start measuring your website's environmental impact today.
🚀 Get Started Free