2.5 kg CO2e/month
Average Website Carbon Footprint per Site
Average emissions per UK website in 2026
1.8 million
Number of Websites in UK
Total active websites in the UK
1.8 MB
Average Web Page Size
Average web page size in 2026
78%
Mobile Web Traffic Share
Percentage of mobile users accessing UK websites
65%
Renewable Energy Use in Data Centers
Proportion of UK data centers powered by renewables
By 2026, UK websites have significantly reduced their average carbon footprint thanks to greener hosting and optimized content delivery. The growth of renewable energy in data centers has played a key role in sustainability efforts, with a majority now powered by renewable sources. Mobile web traffic continues to dominate, emphasizing the importance of mobile-friendly, eco-conscious website designs.
Disclaimer: All statistics presented are 2026 estimates and projections based on industry trend analysis, historical data, and publicly available research. Individual data points may vary from actual figures.