Type definitions for CO2.js are now available through DefinitelyTyped for TypeScript users to install in their projects.
This post was originally published as part of the 2023 Web Performance Calendar. Recently, a post from the web performance monitoring tool DebugBear about why… Why web perf tools should be reporting website carbon emissions
Using real-time data about electricity around the world, we annotated network connections with carbon-intensity. With this information, any digital infrastructure provider can move their compute workloads to greener regions.
In this case study, we explore how the Sitigreen website carbon calculator uses CO2.js to perform website carbon calculations that are specific to Italian users.
In 2023, the Mozilla introduced carbon emissions estimates into its developer tooling. This case study explores how the Mozilla team and Green Web Foundation members made this possible using CO2.js.
Step CI is a testing and monitoring tool for APIs. In this case study, we look at how they introduced carbon emissions estimates using CO2.js.
Ecograder is one of the pioneering tools when it comes to estimating website carbon emissions. In this case study we look at the Ecograder story, and how CO2.js helped with its most recent update.
WebPageTest is one of the most trusted web performance testing tools. This case study covers how CO2.js enables the Carbon Control feature in WebPageTest.
CO2.js v0.13.0 brings the latest average grid intensity data from Ember into the library, as well as expands the number of countries for which average grid intensity data is available.
This article will explain the concepts behind CO2.js, it’s uses, and when other tools might be better options to consider.
CO2.js v0.12.0 introduces the ability to customise the figures used in carbon emissions calculations when using the Sustainable Web Design model, paving the way for more case specific carbon emissions estimates.
Sitespeed.io is an open-source website performance monitoring solution that also has a sustainability plugin powered by CO2.js.