Skip to content
https://mediaset.it

Sustainability

· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
56
GRADE
D
FIX
3
REVIEW
3
PASS
0
INFO
0
Device:
Mobile Desktop
Checks
6
3 REVIEW 3 FIX
D
CO2 Per Page Load
Action
1.19g CO2 per view
FIX
1.19g CO2 per view
Warning::
1.19g CO2 per page view
This page transfers 4.2 MB, producing an estimated 1.19g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.22g, network 0.21g, end-user device 0.76g.
Got: 1.19g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 142.6 kg CO2/year
With 10,000 page views per month, this page would generate approximately 142.6 kg of CO2 annually — equivalent to charging 17824 smartphones.

1.19g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 34% of websites

Sustainable Web Design model v4 · Page size: 4.2 MB

Your site
1.19g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.22g
Network
0.21g
End-user device
0.76g
At 10,000 monthly views: Monthly: 11.9 kg · Annual: 142.6 kg · ≈ 17824 smartphone charges
D
Green Hosting
Action
Not green
FIX
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::
AWS: Renewable energy varies by region; committed to 100% by 2025
Info::
AWS CloudFront: Renewable varies by edge location
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 AWS✗CDN AWS CloudFront✗

AWS: Renewable energy varies by region; committed to 100% by 2025

AWS CloudFront: Renewable varies by edge location

Based on known provider commitments. Verify at thegreenwebfoundation.org

D
Carbon Budget
Action
66th percentile
FIX
66th percentile
Warning::
1.19g CO2 — above the median website (0.60g)
Heavier than an estimated 34% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 66th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

1.19g

66th percentile

Cleaner than 34% of websites

✗ Above the median website

vs Median 98% more
vs Target 138% more
B
Repeat Visit Weight
69% cached
REVIEW
69% cached
Info::
69% reduction on repeat visits
Returning visitors download only 1322 KB (vs 4296 KB first visit). 178 of 183 resources are served from browser cache, saving 0.82g CO2 per repeat visit.
Info::
Repeat visit: 0.37g CO2 (first visit: 1.19g)
First visit
4296 KB
Repeat visit
1322 KB

69% reduction on repeat visits

Saving 0.82g CO2 per returning visitor

178 resources served from cache · 5 resources re-downloaded

B
Transfer Efficiency
79% efficient
REVIEW
79% efficient
Info::
Transfer efficiency: 79%
An estimated 888 KB (21%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 888 KB of unused JavaScript. This wasted data produces 0.25g of unnecessary CO2 per page view.
79% efficient

Total waste: 888 KB (21% of page weight)

Unused JS 888 KB

0.25g unnecessary CO2 per visit

Actual transfer 4296 KB
Theoretical minimum 3408 KB
Potential savings 888 KB (0.25g CO2)

See Deep Analysis sections above for specific optimizations.

C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

Send Feedback