https://global.fujitsu
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
68
GRADE
D
FIX
1
REVIEW
4
PASS
1
INFO
0
Checks
61 PASS 4 REVIEW 1 FIX
DGreen HostingActionNot greenFIX
Green Hosting
ActionNot green
Not green
Info::
No confirmed renewable energy commitment detected
Consider providers like Cloudflare, Google Cloud, or Vercel that match 100% of their energy use with renewables.
Info::
Azure: Microsoft is carbon-negative; Azure renewable varies by region
Info::
Azure CDN: Inherits Azure regional renewable mix
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 HostingNot Green Hosted
Hosting Azure✗CDN Azure CDN✗
Azure: Microsoft is carbon-negative; Azure renewable varies by region
Azure CDN: Inherits Azure regional renewable mix
Based on known provider commitments. Verify at thegreenwebfoundation.org
BCO2 Per Page Load0.55g CO2 per viewREVIEW
CO2 Per Page Load
0.55g CO2 per view
0.55g CO2 per view
Info::
0.55g CO2 per page view
This page transfers 1.9 MB, producing an estimated 0.55g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.10g, network 0.09g, end-user device 0.35g.
Got: 0.55g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 65.9 kg CO2/year
With 10,000 page views per month, this page would generate approximately 65.9 kg of CO2 annually — equivalent to charging 8239 smartphones.
0.55g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 56% of websites
Sustainable Web Design model v4 · Page size: 1.9 MB
Your site
0.55g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.10g
Network
0.09g
End-user device
0.35g
At 10,000 monthly views: Monthly: 5.5 kg · Annual: 65.9 kg · ≈ 8239 smartphone charges
BCarbon Budget44th percentileREVIEW
Carbon Budget
44th percentile
44th percentile
Info::
0.55g CO2 — below the median website (0.60g)
Better than an estimated 56% of websites, but above the sustainability target of 0.50g. Reducing page weight would help reach the target.
Info::
Estimated 44th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.55g
44th percentile
Cleaner than 56% of websites
✗ Above the median website
vs Median 8% cleaner ✓
vs Target 10% more
CTransfer EfficiencyAction70% efficientREVIEW
Transfer Efficiency
Action70% efficient
70% efficient
Warning::
Transfer efficiency: 70%
An estimated 599 KB (30%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 599 KB of unused JavaScript. This wasted data produces 0.17g of unnecessary CO2 per page view.
Total waste: 599 KB (30% of page weight)
Unused JS 599 KB
0.17g unnecessary CO2 per visit
Actual transfer 1986 KB
Theoretical minimum 1386 KB
Potential savings 599 KB (0.17g CO2)
See Deep Analysis sections above for specific optimizations.
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
ActionWhether the site is served from green-energy infrastructure
Green Hosting
No green hosting detected
A+Repeat Visit Weight99% cachedPASS
Repeat Visit Weight
99% cached
99% cached
Info::
99% reduction on repeat visits
Returning visitors download only 11 KB (vs 1986 KB first visit). 107 of 109 resources are served from browser cache, saving 0.55g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 0.55g)
First visit
1986 KB
Repeat visit
11 KB
99% reduction on repeat visits
Saving 0.55g CO2 per returning visitor
107 resources served from cache · 2 resources re-downloaded
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.