https://cnrs.fr
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
83
GRADE
B
FIX
0
REVIEW
4
PASS
2
INFO
0
Checks
62 PASS 4 REVIEW
BCO2 Per Page Load0.52g CO2 per viewREVIEW
CO2 Per Page Load
0.52g CO2 per view
0.52g CO2 per view
Info::
0.52g CO2 per page view
This page transfers 2.2 MB, producing an estimated 0.52g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.01g, network 0.11g, end-user device 0.40g.
Got: 0.52g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 62.6 kg CO2/year
With 10,000 page views per month, this page would generate approximately 62.6 kg of CO2 annually — equivalent to charging 7821 smartphones.
Info::
Green hosting reduces data center emissions
0.52g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 58% of websites
Sustainable Web Design model v4 · Page size: 2.2 MB
Your site
0.52g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.01g
Network
0.11g
End-user device
0.40g
At 10,000 monthly views: Monthly: 5.2 kg · Annual: 62.6 kg · ≈ 7821 smartphone charges
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
BCarbon Budget42th percentileREVIEW
Carbon Budget
42th percentile
42th percentile
Info::
0.52g CO2 — below the median website (0.60g)
Better than an estimated 58% of websites, but above the sustainability target of 0.50g. Reducing page weight would help reach the target.
Info::
Estimated 42th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.52g
42nd percentile
Cleaner than 58% of websites
✗ Above the median website
vs Median 13% cleaner ✓
vs Target 4% more
BTransfer Efficiency88% efficientREVIEW
Transfer Efficiency
88% efficient
88% efficient
Info::
Transfer efficiency: 88%
An estimated 267 KB (12%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 267 KB of unused JavaScript. This wasted data produces 0.06g of unnecessary CO2 per page view.
Total waste: 267 KB (12% of page weight)
Unused JS 267 KB
0.06g unnecessary CO2 per visit
Actual transfer 2255 KB
Theoretical minimum 1987 KB
Potential savings 267 KB (0.06g CO2)
See Deep Analysis sections above for specific optimizations.
A+Repeat Visit Weight96% cachedPASS
Repeat Visit Weight
96% cached
96% cached
Info::
96% reduction on repeat visits
Returning visitors download only 87 KB (vs 2255 KB first visit). 61 of 63 resources are served from browser cache, saving 0.50g CO2 per repeat visit.
Info::
Repeat visit: 0.02g CO2 (first visit: 0.52g)
First visit
2255 KB
Repeat visit
87 KB
96% reduction on repeat visits
Saving 0.50g CO2 per returning visitor
61 resources served from cache · 2 resources re-downloaded
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.