https://www.abduledilizia.it
Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
84
GRADE
B
FIX
0
REVIEW
5
PASS
2
INFO
1
Checks
82 PASS 5 REVIEW
BCO2 Per Page Load0.56g CO2 per viewREVIEW
CO2 Per Page Load
0.56g CO2 per view
0.56g CO2 per view
Info::
0.56g CO2 per page view
This page transfers 2.4 MB, producing an estimated 0.56g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.01g, network 0.12g, end-user device 0.43g.
Got: 0.56g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 67.7 kg CO2/year
With 10,000 page views per month, this page would generate approximately 67.7 kg of CO2 annually — equivalent to charging 8460 smartphones.
Info::
Green hosting reduces data center emissions
0.56g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 54% of websites
Sustainable Web Design model v4 · Page size: 2.4 MB
Your site
0.56g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.01g
Network
0.12g
End-user device
0.43g
At 10,000 monthly views: Monthly: 5.6 kg · Annual: 67.7 kg · ≈ 8460 smartphone charges
BCarbon Budget46th percentileREVIEW
Carbon Budget
46th percentile
46th percentile
Info::
0.56g CO2 — below the median website (0.60g)
Better than an estimated 54% of websites, but above the sustainability target of 0.50g. Reducing page weight would help reach the target.
Info::
Estimated 46th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.56g
46th percentile
Cleaner than 54% of websites
✗ Above the median website
vs Median 6% cleaner ✓
vs Target 13% more
BTransfer Efficiency82% efficientREVIEW
Transfer Efficiency
82% efficient
82% efficient
Info::
Transfer efficiency: 82%
An estimated 431 KB (18%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 431 KB of unused JavaScript. This wasted data produces 0.10g of unnecessary CO2 per page view.
Total waste: 431 KB (18% of page weight)
Unused JS 431 KB
0.10g unnecessary CO2 per visit
Actual transfer 2440 KB
Theoretical minimum 2008 KB
Potential savings 431 KB (0.10g CO2)
See Deep Analysis sections above for specific optimizations.
BWeb Font Weight Variants5 font weights loaded across 2 famil(y/ies)REVIEW
Web Font Weight Variants
5 font weights loaded across 2 famil(y/ies)
5 font weights loaded across 2 famil(y/ies)
Info::
5 font weights loaded -- review whether all are used
5+ weights for a single page is often more than needed. Compare against the actual font-weight CSS rules in your stylesheets; trim weights that aren't applied to any element. Affected families: Fraunces, Karla.
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+Green HostingGreen (both)PASS
Green Hosting
Green (both)
Green (both)
Info::
Both hosting and CDN use renewable energy
Got: Hosting: Vercel, CDN: Vercel
Info::
Vercel: Hosted on AWS/Google Cloud with renewable energy commitments
Info::
Vercel: Hosted on AWS/Google Cloud with renewable energy commitments
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 Vercel✓CDN Vercel✓
Vercel: Hosted on AWS/Google Cloud with renewable energy commitments
Vercel: Hosted on AWS/Google Cloud with renewable energy commitments
Based on known provider commitments. Verify at thegreenwebfoundation.org
A+Repeat Visit Weight99% cachedPASS
Repeat Visit Weight
99% cached
99% cached
Info::
99% reduction on repeat visits
Returning visitors download only 14 KB (vs 2440 KB first visit). 25 of 26 resources are served from browser cache, saving 0.56g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 0.56g)
First visit
2440 KB
Repeat visit
14 KB
99% reduction on repeat visits
Saving 0.56g CO2 per returning visitor
25 resources served from cache · 1 resources re-downloaded
Image Optimization5 images, 892 KB total, 806 KB wastedINFO
Image Optimization
5 images, 892 KB total, 806 KB wasted
Image Optimization Audit
Total Images
5
Total Size
892 KB
Oversized
4
Wasted
806 KB
5 missing dimensions 1 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.