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Example code of akhela/website-carbon-calculator

Informations about the package website-carbon-calculator

Website Carbon Calculator

The internet consumes a lot of electricity. 1021 TWh per year to be precise. To give you some perspective, that’s more than the entire United Kingdom.

From data centres to transmission networks to the billions of connected devices that we hold in our hands, it is all consuming electricity, and in turn producing carbon emissions equal to or greater than the global aviation industry. Yikes!

The Website Carbon Calculator empowers website owners to assess and minimize their carbon footprint. Drawing inspiration from the acclaimed Website Carbon Calculator algorithm 2.0 and leveraging The Green Web Foundation's co2.js, it allows you to calculate the CO₂ impact and performance of any url.

Installation

API

Estimate web page carbon footprint and performance

View the Google documentation to generate a Google Pagespeed Api Key

Output

For better performance, detect hosting energy type and store it in a database to avoid repetitive call to The Green Web Foundation API.

Detect hosting energy type

How does it work

Calculating the carbon emissions of website is somewhat of a challenge, but using five key pieces of data we can make a pretty good estimate:

Under the hood, it uses Google pagespeed api and The green web foundation api

Website Carbon Calculator

This project is widely inspired by the Website Carbon Calculator algorithm 2.0 and The Green Web Foundation co2.js

Glossary

Tests

Run tests

All versions of website-carbon-calculator with dependencies

PHP Build Version
Package Version
Requires sabre/uri Version ^2
ext-json Version *
guzzlehttp/guzzle Version ^6.0|^7.0
Composer command for our command line client (download client) This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free. Standard composer command

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