https://seekingalpha.com
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
76
GRADE
C
FIX
1
REVIEW
2
PASS
3
INFO
0
Checks
63 PASS 2 REVIEW 1 FIX
DCarbon BudgetAction51th percentileFIX
Carbon Budget
Action51th percentile
51th percentile
Warning::
0.67g CO2 — above the median website (0.60g)
Heavier than an estimated 49% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 51th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.67g
51st percentile
Cleaner than 49% of websites
✗ Above the median website
vs Median 11% more
vs Target 34% more
BCO2 Per Page Load0.67g CO2 per viewREVIEW
CO2 Per Page Load
0.67g CO2 per view
0.67g CO2 per view
Info::
0.67g CO2 per page view
This page transfers 2.8 MB, producing an estimated 0.67g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.02g, network 0.14g, end-user device 0.51g.
Got: 0.67g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 80.1 kg CO2/year
With 10,000 page views per month, this page would generate approximately 80.1 kg of CO2 annually — equivalent to charging 10017 smartphones.
Info::
Green hosting reduces data center emissions
0.67g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 49% of websites
Sustainable Web Design model v4 · Page size: 2.8 MB
Your site
0.67g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.02g
Network
0.14g
End-user device
0.51g
At 10,000 monthly views: Monthly: 6.7 kg · Annual: 80.1 kg · ≈ 10017 smartphone charges
CTransfer EfficiencyAction71% efficientREVIEW
Transfer Efficiency
Action71% efficient
71% efficient
Warning::
Transfer efficiency: 71%
An estimated 832 KB (29%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 832 KB of unused JavaScript. This wasted data produces 0.19g of unnecessary CO2 per page view.
Total waste: 832 KB (29% of page weight)
Unused JS 832 KB
0.19g unnecessary CO2 per visit
Actual transfer 2889 KB
Theoretical minimum 2056 KB
Potential savings 832 KB (0.19g CO2)
See Deep Analysis sections above for specific optimizations.
A+Green HostingGreen (both)PASS
Green Hosting
Green (both)
Green (both)
Info::
Both hosting and CDN use renewable energy
Got: Hosting: Axis12 Ltd, CDN: Fastly
Info::
Axis12 Ltd: Verified by the Green Web Foundation
Info::
Fastly: 100% renewable energy for edge network
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 Axis12 Ltd✓CDN Fastly✓
Axis12 Ltd: Verified by the Green Web Foundation
Fastly: 100% renewable energy for edge network
Based on known provider commitments. Verify at thegreenwebfoundation.org
A+Repeat Visit Weight93% cachedPASS
Repeat Visit Weight
93% cached
93% cached
Info::
93% reduction on repeat visits
Returning visitors download only 190 KB (vs 2889 KB first visit). 194 of 197 resources are served from browser cache, saving 0.62g CO2 per repeat visit.
Info::
Repeat visit: 0.04g CO2 (first visit: 0.67g)
First visit
2889 KB
Repeat visit
190 KB
93% reduction on repeat visits
Saving 0.62g CO2 per returning visitor
194 resources served from cache · 3 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: Axis12 Ltd
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.