https://deepmind.google
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
72
GRADE
C
FIX
2
REVIEW
1
PASS
3
INFO
0
Checks
63 PASS 1 REVIEW 2 FIX
FCO2 Per Page LoadAction1.97g CO2 per viewFIX
CO2 Per Page Load
Action1.97g CO2 per view
1.97g CO2 per view
Warning::
1.97g CO2 per page view
This page transfers 8.3 MB, producing an estimated 1.97g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.05g, network 0.41g, end-user device 1.51g.
Got: 1.97g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 235.9 kg CO2/year
With 10,000 page views per month, this page would generate approximately 235.9 kg of CO2 annually — equivalent to charging 29481 smartphones.
Info::
Green hosting reduces data center emissions
1.97g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 11% of websites
Sustainable Web Design model v4 · Page size: 8.3 MB
Your site
1.97g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.05g
Network
0.41g
End-user device
1.51g
At 10,000 monthly views: Monthly: 19.7 kg · Annual: 235.9 kg · ≈ 29481 smartphone charges
FCarbon BudgetAction89th percentileFIX
Carbon Budget
Action89th percentile
89th percentile
Warning::
1.97g CO2 — above the median website (0.60g)
Heavier than an estimated 11% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 89th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
1.97g
89th percentile
Cleaner than 11% of websites
✗ Above the median website
vs Median 228% more
vs Target 293% more
BGreen HostingGreen (hosting)REVIEW
Green Hosting
Green (hosting)
Green (hosting)
Info::
Google Cloud uses renewable energy
Info::
Google Cloud: Verified by the Green Web Foundation
Info::
Green hosting status based on known provider commitments
Green hosting detection uses a curated database of provider renewable energy commitments. This is not a real-time verification. For authoritative checks, visit thegreenwebfoundation.org.
Green Hosting✓ Green Hosted
Hosting Google Cloud✓CDN Not identified✗
Google Cloud: Verified by the Green Web Foundation
Based on known provider commitments. Verify at thegreenwebfoundation.org
A+Repeat Visit Weight96% cachedPASS
Repeat Visit Weight
96% cached
96% cached
Info::
96% reduction on repeat visits
Returning visitors download only 360 KB (vs 8503 KB first visit). 138 of 145 resources are served from browser cache, saving 1.88g CO2 per repeat visit.
Info::
Repeat visit: 0.08g CO2 (first visit: 1.97g)
First visit
8503 KB
Repeat visit
360 KB
96% reduction on repeat visits
Saving 1.88g CO2 per returning visitor
138 resources served from cache · 7 resources re-downloaded
A+Transfer Efficiency97% efficientPASS
Transfer Efficiency
97% efficient
97% efficient
Info::
Transfer efficiency: 97%
Only 226 KB of potential savings identified. Your page is well-optimized for size.
Total waste: 226 KB (3% of page weight)
Unused JS 226 KB
0.05g unnecessary CO2 per visit
Actual transfer 8503 KB
Theoretical minimum 8276 KB
Potential savings 226 KB (0.05g CO2)
See Deep Analysis sections above for specific optimizations.
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
Whether the site is served from green-energy infrastructure
Green Hosting
This site is hosted on green energy infrastructure
Provider: Google Cloud
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.