Sustainable web design - a book apart
Web almanac - HTTP Archive - Sustainability
Sustainable web design strategies
Calculating Digital Emissions - Sustainable web design
How to Optimize Images for Faster Load Times and Sustainability
Dark mode can save your battery - if you have an OLED screen
Guide to using analytics for performance and privacy
The environmental benefits of privacy-focussed web design
Software sustainability maturity model
How to evaluate the sustainability of an open source project