The web has a significant environmental impact. This site offers independent research and tools to help web developers build more sustainable products.
They include:
- WSG Report and Statement Tool (Tool, 2026)
- Create sustainability reports, assessing websites against W3C Web Sustainability Guidelines, covering practices, compliance, standards, and transparency.
- Digital Sustainability Policy Guide (Tool, 2026)
- Explore the digital sustainability compliance and policy landscape. Filter laws, standards and guidelines (best practices) to identify relevant requirements.
- The Carbon Impact of Web Standards (Research, 2023)
- A systematic study showing how choices in HTML, CSS, media formats and other web standards affect the energy use and carbon emissions of websites.
- Download open access paper, data, and tests.
- Printed (Tool, 2023)
- A lightweight CSS library that optimises websites for printing and PDFs, helping reduce unnecessary ink, paper and resource consumption when users print web content.
- The Variables of Web Sustainability (Research, 2023)
- A comprehensive map for understanding the many environmental, social and technical factors that influence the sustainability of a website.
If you believe that you can help make the Internet more sustainable, please join our friendly W3C Community Group as we're working to produce sustainability guidelines for the Web!