https://Wealth-os.online
Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
67
GRADE
D
FIX
2
REVIEW
2
PASS
3
INFO
1
Checks
83 PASS 2 REVIEW 2 FIX
FCO2 Per Page LoadAction4.81g CO2 per viewFIX
CO2 Per Page Load
Action4.81g CO2 per view
4.81g CO2 per view
Critical::
4.81g CO2 per page view
This page transfers 20.3 MB, producing an estimated 4.81g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.12g, network 0.99g, end-user device 3.69g.
Got: 4.81g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 576.8 kg CO2/year
With 10,000 page views per month, this page would generate approximately 576.8 kg of CO2 annually — equivalent to charging 72103 smartphones.
Info::
Green hosting reduces data center emissions
4.81g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 5% of websites
Sustainable Web Design model v4 · Page size: 20.3 MB
Your site
4.81g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.12g
Network
0.99g
End-user device
3.69g
At 10,000 monthly views: Monthly: 48.1 kg · Annual: 576.8 kg · ≈ 72103 smartphone charges
FCarbon BudgetAction95th percentileFIX
Carbon Budget
Action95th percentile
95th percentile
Warning::
4.81g CO2 — above the median website (0.60g)
Heavier than an estimated 5% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 95th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
4.81g
95th percentile
Cleaner than 5% of websites
✗ Above the median website
vs Median 701% more
vs Target 861% more
BWeb Font Weight VariantsNo detectable Google Fonts weightsREVIEW
Web Font Weight Variants
No detectable Google Fonts weights
No detectable Google Fonts weights
Info::
No detectable Google Fonts weights
The analyzer detects font weights via Google Fonts URL parameters (~70% of font-using sites). Self-hosted fonts and non-Google CDN fonts aren't visible to URL-based detection. If you self-host fonts, manually audit how many @font-face weights you ship -- 2-3 weights per family is typically enough; 5+ is usually unused payload.
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
AGreen HostingGreen (cdn)PASS
Green Hosting
Green (cdn)
Green (cdn)
Info::
Netlify CDN uses renewable energy
Since most traffic is served through the CDN, the majority of data transfer energy is renewable.
Info::
Netlify: Hosted on AWS/Google Cloud with renewable energy matching
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 Next.js✗CDN Netlify✓
Netlify: Hosted on AWS/Google Cloud with renewable energy matching
Based on known provider commitments. Verify at thegreenwebfoundation.org
A+Repeat Visit Weight100% cachedPASS
Repeat Visit Weight
100% cached
100% cached
Info::
100% reduction on repeat visits
Returning visitors download only 20 KB (vs 20796 KB first visit). 53 of 54 resources are served from browser cache, saving 4.80g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 4.81g)
First visit
20796 KB
Repeat visit
20 KB
100% reduction on repeat visits
Saving 4.80g CO2 per returning visitor
53 resources served from cache · 1 resources re-downloaded
A+Transfer Efficiency99% efficientPASS
Transfer Efficiency
99% efficient
99% efficient
Info::
Transfer efficiency: 99%
Only 109 KB of potential savings identified. Your page is well-optimized for size.
Total waste: 109 KB (1% of page weight)
Unused JS 109 KB
0.03g unnecessary CO2 per visit
Actual transfer 20796 KB
Theoretical minimum 20686 KB
Potential savings 109 KB (0.03g CO2)
See Deep Analysis sections above for specific optimizations.
Image Optimization10 images, 10972 KB total, 10845 KB wastedINFO
Image Optimization
10 images, 10972 KB total, 10845 KB wasted
Image Optimization Audit
Total Images
10
Total Size
10972 KB
Oversized
5
Wasted
10845 KB
6 missing dimensions 9 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.