https://shareasale.com
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
64
GRADE
D
FIX
2
REVIEW
2
PASS
2
INFO
0
Checks
62 PASS 2 REVIEW 2 FIX
DCarbon BudgetAction55th percentileFIX
Carbon Budget
Action55th percentile
55th percentile
Warning::
0.79g CO2 — above the median website (0.60g)
Heavier than an estimated 45% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 55th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.79g
55th percentile
Cleaner than 45% of websites
✗ Above the median website
vs Median 32% more
vs Target 58% more
DTransfer EfficiencyAction46% efficientFIX
Transfer Efficiency
Action46% efficient
46% efficient
Critical::
Transfer efficiency: 46%
An estimated 1850 KB (54%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 1850 KB of unused JavaScript. This wasted data produces 0.43g of unnecessary CO2 per page view.
Total waste: 1850 KB (54% of page weight)
Unused JS 1850 KB
0.43g unnecessary CO2 per visit
Actual transfer 3420 KB
Theoretical minimum 1569 KB
Potential savings 1850 KB (0.43g CO2)
See Deep Analysis sections above for specific optimizations.
BCO2 Per Page Load0.79g CO2 per viewREVIEW
CO2 Per Page Load
0.79g CO2 per view
0.79g CO2 per view
Info::
0.79g CO2 per page view
This page transfers 3.3 MB, producing an estimated 0.79g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.02g, network 0.16g, end-user device 0.61g.
Got: 0.79g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 94.9 kg CO2/year
With 10,000 page views per month, this page would generate approximately 94.9 kg of CO2 annually — equivalent to charging 11857 smartphones.
Info::
Green hosting reduces data center emissions
0.79g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 45% of websites
Sustainable Web Design model v4 · Page size: 3.3 MB
Your site
0.79g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.02g
Network
0.16g
End-user device
0.61g
At 10,000 monthly views: Monthly: 7.9 kg · Annual: 94.9 kg · ≈ 11857 smartphone charges
BGreen HostingGreen (hosting)REVIEW
Green Hosting
Green (hosting)
Green (hosting)
Info::
AWS uses renewable energy
Info::
AWS: Verified by the Green Web Foundation
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 Hosting✓ Green Hosted
Hosting AWS✓CDN AWS CloudFront✗
AWS: Verified by the Green Web Foundation
AWS CloudFront: Renewable varies by edge location
Based on known provider commitments. Verify at thegreenwebfoundation.org
A+Repeat Visit Weight98% cachedPASS
Repeat Visit Weight
98% cached
98% cached
Info::
98% reduction on repeat visits
Returning visitors download only 72 KB (vs 3420 KB first visit). 142 of 147 resources are served from browser cache, saving 0.77g CO2 per repeat visit.
Info::
Repeat visit: 0.02g CO2 (first visit: 0.79g)
First visit
3420 KB
Repeat visit
72 KB
98% reduction on repeat visits
Saving 0.77g CO2 per returning visitor
142 resources served from cache · 5 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: Cloudflare
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.