https://ilsole24ore.com
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
1
REVIEW
3
PASS
2
INFO
0
Checks
62 PASS 3 REVIEW 1 FIX
DCarbon BudgetAction52th percentileFIX
Carbon Budget
Action52th percentile
52th percentile
Warning::
0.68g CO2 — above the median website (0.60g)
Heavier than an estimated 48% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 52th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.68g
52nd percentile
Cleaner than 48% of websites
✗ Above the median website
vs Median 13% more
vs Target 35% more
BCO2 Per Page Load0.68g CO2 per viewREVIEW
CO2 Per Page Load
0.68g CO2 per view
0.68g CO2 per view
Info::
0.68g CO2 per page view
This page transfers 2.9 MB, producing an estimated 0.68g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.02g, network 0.14g, end-user device 0.52g.
Got: 0.68g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 81.2 kg CO2/year
With 10,000 page views per month, this page would generate approximately 81.2 kg of CO2 annually — equivalent to charging 10152 smartphones.
Info::
Green hosting reduces data center emissions
0.68g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 48% of websites
Sustainable Web Design model v4 · Page size: 2.9 MB
Your site
0.68g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.02g
Network
0.14g
End-user device
0.52g
At 10,000 monthly views: Monthly: 6.8 kg · Annual: 81.2 kg · ≈ 10152 smartphone charges
BGreen HostingGreen (hosting)REVIEW
Green Hosting
Green (hosting)
Green (hosting)
Info::
Apache HTTP Server uses renewable energy
Info::
Apache HTTP Server: 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 Apache HTTP Server✓CDN Not identified✗
Apache HTTP Server: Verified by the Green Web Foundation
Based on known provider commitments. Verify at thegreenwebfoundation.org
CTransfer EfficiencyAction63% efficientREVIEW
Transfer Efficiency
Action63% efficient
63% efficient
Warning::
Transfer efficiency: 63%
An estimated 1088 KB (37%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 1088 KB of unused JavaScript. This wasted data produces 0.25g of unnecessary CO2 per page view.
Total waste: 1088 KB (37% of page weight)
Unused JS 1088 KB
0.25g unnecessary CO2 per visit
Actual transfer 2928 KB
Theoretical minimum 1839 KB
Potential savings 1088 KB (0.25g 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 126 KB (vs 2928 KB first visit). 214 of 216 resources are served from browser cache, saving 0.65g CO2 per repeat visit.
Info::
Repeat visit: 0.03g CO2 (first visit: 0.68g)
First visit
2928 KB
Repeat visit
126 KB
96% reduction on repeat visits
Saving 0.65g CO2 per returning visitor
214 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: Google Cloud
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.