https://elysee.fr
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
65
GRADE
D
FIX
2
REVIEW
1
PASS
3
INFO
0
Checks
63 PASS 1 REVIEW 2 FIX
FCO2 Per Page LoadAction2.90g CO2 per viewFIX
CO2 Per Page Load
Action2.90g CO2 per view
2.90g CO2 per view
Critical::
2.90g CO2 per page view
This page transfers 12.2 MB, producing an estimated 2.90g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.07g, network 0.60g, end-user device 2.22g.
Got: 2.90g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 347.6 kg CO2/year
With 10,000 page views per month, this page would generate approximately 347.6 kg of CO2 annually — equivalent to charging 43444 smartphones.
Info::
Green hosting reduces data center emissions
2.90g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 5% of websites
Sustainable Web Design model v4 · Page size: 12.2 MB
Your site
2.90g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.07g
Network
0.60g
End-user device
2.22g
At 10,000 monthly views: Monthly: 29.0 kg · Annual: 347.6 kg · ≈ 43444 smartphone charges
FCarbon BudgetAction95th percentileFIX
Carbon Budget
Action95th percentile
95th percentile
Warning::
2.90g CO2 — above the median website (0.60g)
Heavier than an estimated 5% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 95th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
2.90g
95th percentile
Cleaner than 5% of websites
✗ Above the median website
vs Median 383% more
vs Target 479% more
BGreen HostingGreen (hosting)REVIEW
Green Hosting
Green (hosting)
Green (hosting)
Info::
cegedim.cloud uses renewable energy
Info::
cegedim.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 cegedim.cloud✓CDN Not identified✗
cegedim.cloud: Verified by the Green Web Foundation
Based on known provider commitments. Verify at thegreenwebfoundation.org
A+Repeat Visit Weight100% cachedPASS
Repeat Visit Weight
100% cached
100% cached
Info::
100% reduction on repeat visits
Returning visitors download only 49 KB (vs 12530 KB first visit). 34 of 35 resources are served from browser cache, saving 2.88g CO2 per repeat visit.
Info::
Repeat visit: 0.01g CO2 (first visit: 2.90g)
First visit
12530 KB
Repeat visit
49 KB
100% reduction on repeat visits
Saving 2.88g CO2 per returning visitor
34 resources served from cache · 1 resources re-downloaded
A+Transfer Efficiency99% efficientPASS
Transfer Efficiency
99% efficient
99% efficient
Info::
Transfer efficiency: 99%
Only 157 KB of potential savings identified. Your page is well-optimized for size.
Total waste: 157 KB (1% of page weight)
Unused JS 157 KB
0.04g unnecessary CO2 per visit
Actual transfer 12530 KB
Theoretical minimum 12372 KB
Potential savings 157 KB (0.04g 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: cegedim.cloud
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.