https://nutrimuscle.com
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
72
GRADE
C
FIX
2
REVIEW
1
PASS
3
INFO
0
Checks
63 PASS 1 REVIEW 2 FIX
DCO2 Per Page LoadAction1.48g CO2 per viewFIX
CO2 Per Page Load
Action1.48g CO2 per view
1.48g CO2 per view
Warning::
1.48g CO2 per page view
This page transfers 6.2 MB, producing an estimated 1.48g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.04g, network 0.31g, end-user device 1.14g.
Got: 1.48g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 177.4 kg CO2/year
With 10,000 page views per month, this page would generate approximately 177.4 kg of CO2 annually — equivalent to charging 22178 smartphones.
Info::
Green hosting reduces data center emissions
1.48g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 25% of websites
Sustainable Web Design model v4 · Page size: 6.2 MB
Your site
1.48g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.04g
Network
0.31g
End-user device
1.14g
At 10,000 monthly views: Monthly: 14.8 kg · Annual: 177.4 kg · ≈ 22178 smartphone charges
FCarbon BudgetAction75th percentileFIX
Carbon Budget
Action75th percentile
75th percentile
Warning::
1.48g CO2 — above the median website (0.60g)
Heavier than an estimated 25% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 75th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
1.48g
75th percentile
Cleaner than 25% of websites
✗ Above the median website
vs Median 146% more
vs Target 196% more
BTransfer Efficiency86% efficientREVIEW
Transfer Efficiency
86% efficient
86% efficient
Info::
Transfer efficiency: 86%
An estimated 922 KB (14%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 922 KB of unused JavaScript. This wasted data produces 0.21g of unnecessary CO2 per page view.
Total waste: 922 KB (14% of page weight)
Unused JS 922 KB
0.21g unnecessary CO2 per visit
Actual transfer 6396 KB
Theoretical minimum 5474 KB
Potential savings 922 KB (0.21g 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: 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 87 KB (vs 6396 KB first visit). 409 of 423 resources are served from browser cache, saving 1.46g CO2 per repeat visit.
Info::
Repeat visit: 0.02g CO2 (first visit: 1.48g)
First visit
6396 KB
Repeat visit
87 KB
99% reduction on repeat visits
Saving 1.46g CO2 per returning visitor
409 resources served from cache · 14 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.