https://business-money.com
Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
80
GRADE
B
FIX
1
REVIEW
3
PASS
3
INFO
1
Checks
83 PASS 3 REVIEW 1 FIX
DCarbon BudgetAction52th percentileFIX
Carbon Budget
Action52th percentile
52th percentile
Warning::
0.70g CO2 — above the median website (0.60g)
Heavier than an estimated 48% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 52th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.70g
52nd percentile
Cleaner than 48% of websites
✗ Above the median website
vs Median 17% more
vs Target 40% more
BCO2 Per Page Load0.70g CO2 per viewREVIEW
CO2 Per Page Load
0.70g CO2 per view
0.70g CO2 per view
Info::
0.70g CO2 per page view
This page transfers 3.0 MB, producing an estimated 0.70g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.02g, network 0.14g, end-user device 0.54g.
Got: 0.70g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 84.1 kg CO2/year
With 10,000 page views per month, this page would generate approximately 84.1 kg of CO2 annually — equivalent to charging 10509 smartphones.
Info::
Green hosting reduces data center emissions
0.70g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 48% of websites
Sustainable Web Design model v4 · Page size: 3.0 MB
Your site
0.70g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.02g
Network
0.14g
End-user device
0.54g
At 10,000 monthly views: Monthly: 7.0 kg · Annual: 84.1 kg · ≈ 10509 smartphone charges
BTransfer Efficiency84% efficientREVIEW
Transfer Efficiency
84% efficient
84% efficient
Info::
Transfer efficiency: 84%
An estimated 489 KB (16%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 489 KB of unused JavaScript. This wasted data produces 0.11g of unnecessary CO2 per page view.
Total waste: 489 KB (16% of page weight)
Unused JS 489 KB
0.11g unnecessary CO2 per visit
Actual transfer 3031 KB
Theoretical minimum 2541 KB
Potential savings 489 KB (0.11g CO2)
See Deep Analysis sections above for specific optimizations.
BWeb Font Weight Variants6 font weights loaded across 2 famil(y/ies)REVIEW
Web Font Weight Variants
6 font weights loaded across 2 famil(y/ies)
6 font weights loaded across 2 famil(y/ies)
Info::
6 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: Fira Sans, Fira%20Sans.
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+Repeat Visit Weight99% cachedPASS
Repeat Visit Weight
99% cached
99% cached
Info::
99% reduction on repeat visits
Returning visitors download only 45 KB (vs 3031 KB first visit). 141 of 143 resources are served from browser cache, saving 0.69g CO2 per repeat visit.
Info::
Repeat visit: 0.01g CO2 (first visit: 0.70g)
First visit
3031 KB
Repeat visit
45 KB
99% reduction on repeat visits
Saving 0.69g CO2 per returning visitor
141 resources served from cache · 2 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
Image Optimization85 images, 1827 KB total, 43 KB wastedINFO
Image Optimization
85 images, 1827 KB total, 43 KB wasted
Image Optimization Audit
Total Images
85
Total Size
1827 KB
Oversized
5
Wasted
43 KB
2 missing dimensions 5 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.