Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.DGreen HostingActionNot greenFIX
AWS: Renewable energy varies by region; committed to 100% by 2025
Based on known provider commitments. Verify at thegreenwebfoundation.org
DCarbon BudgetAction53th percentileFIX
0.73g
53rd percentile
Cleaner than 47% of websites
✗ Above the median website
BCO2 Per Page Load0.73g CO2 per viewREVIEW
0.73g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 47% of websites
Sustainable Web Design model v4 · Page size: 2.6 MB
Energy Breakdown
CTransfer EfficiencyAction64% efficientREVIEW
Total waste: 946 KB (36% of page weight)
0.26g unnecessary CO2 per visit
See Deep Analysis sections above for specific optimizations.
CWeb Font Weight VariantsAction14 font weights loaded across 2 famil(y/ies)REVIEW
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Repeat Visit Weight98% cachedPASS
98% reduction on repeat visits
Saving 0.72g CO2 per returning visitor
62 resources served from cache · 3 resources re-downloaded
Image Optimization11 images, 410 KB total, 266 KB wastedINFO
Image Optimization Audit
Total Images
11
Total Size
410 KB
Oversized
2
Wasted
266 KB