https://www.classicivivi.it
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
88
GRADE
B
FIX
1
REVIEW
0
PASS
5
INFO
0
Checks
65 PASS 1 FIX
DRepeat Visit WeightAction32% cachedFIX
Repeat Visit Weight
Action32% cached
32% cached
Warning::
Only 32% reduction on repeat visits
Returning visitors still download 316 KB — only 32% less than the first visit (466 KB). 1 resources lack proper caching headers. See the Performance tab's HTTP Caching section for specific recommendations.
Info::
Repeat visit: 0.07g CO2 (first visit: 0.11g)
First visit
466 KB
Repeat visit
316 KB
32% reduction on repeat visits
Saving 0.03g CO2 per returning visitor
16 resources served from cache · 1 resources re-downloaded
A+CO2 Per Page Load0.11g CO2 per viewPASS
CO2 Per Page Load
0.11g CO2 per view
0.11g CO2 per view
Info::
0.11g CO2 per page view
This page transfers 0.5 MB, producing an estimated 0.11g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.00g, network 0.02g, end-user device 0.08g.
Got: 0.11g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 13.0 kg CO2/year
With 10,000 page views per month, this page would generate approximately 13.0 kg of CO2 annually — equivalent to charging 1618 smartphones.
Info::
Green hosting reduces data center emissions
0.11g
Carbon Footprint per page view
✓ Below sustainability target (0.50g)
Cleaner than 90% of websites
Sustainable Web Design model v4 · Page size: 0.5 MB
Your site
0.11g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.00g
Network
0.02g
End-user device
0.08g
At 10,000 monthly views: Monthly: 1.1 kg · Annual: 13.0 kg · ≈ 1618 smartphone charges
A+Green HostingGreen (both)PASS
Green Hosting
Green (both)
Green (both)
Info::
Both hosting and CDN use renewable energy
Got: Hosting: Cloudflare, CDN: Cloudflare
Info::
Cloudflare: Verified by the Green Web Foundation
Info::
Cloudflare: 100% renewable energy for global network since 2019
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 Cloudflare✓CDN Cloudflare✓
Cloudflare: Verified by the Green Web Foundation
Cloudflare: 100% renewable energy for global network since 2019
Based on known provider commitments. Verify at thegreenwebfoundation.org
A+Carbon Budget10th percentilePASS
Carbon Budget
10th percentile
10th percentile
Info::
0.11g CO2 — below the sustainability target of 0.50g
Cleaner than an estimated 90% of websites analyzed. This page meets the Web Sustainability Guidelines target.
Info::
Estimated 10th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.11g
10th percentile
Cleaner than 90% of websites
✓ Below the Web Sustainability Guidelines target
vs Median 82% cleaner ✓
vs Target 78% cleaner ✓
A+Transfer Efficiency100% efficientPASS
Transfer Efficiency
100% efficient
100% efficient
Info::
Transfer efficiency: 100%
Only 0 KB of potential savings identified. Your page is well-optimized for size.
Actual transfer 466 KB
Theoretical minimum 466 KB
See Deep Analysis sections above for specific optimizations.
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: Cloudflare
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.