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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
Device:
Mobile Desktop
Checks
6
3 PASS 1 REVIEW 2 FIX
F
CO2 Per Page Load
Action
1.62g CO2 per view
FIX
1.62g CO2 per view
Warning::
1.62g CO2 per page view
This page transfers 6.8 MB, producing an estimated 1.62g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.04g, network 0.33g, end-user device 1.24g.
Got: 1.62g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 194.0 kg CO2/year
With 10,000 page views per month, this page would generate approximately 194.0 kg of CO2 annually — equivalent to charging 24249 smartphones.
Info::
Green hosting reduces data center emissions

1.62g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 21% of websites

Sustainable Web Design model v4 · Page size: 6.8 MB

Your site
1.62g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.04g
Network
0.33g
End-user device
1.24g
At 10,000 monthly views: Monthly: 16.2 kg · Annual: 194.0 kg · ≈ 24249 smartphone charges
F
Carbon Budget
Action
79th percentile
FIX
79th percentile
Warning::
1.62g CO2 — above the median website (0.60g)
Heavier than an estimated 21% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 79th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

1.62g

79th percentile

Cleaner than 21% of websites

✗ Above the median website

vs Median 169% more
vs Target 223% more
B
Transfer Efficiency
86% efficient
REVIEW
86% efficient
Info::
Transfer efficiency: 86%
An estimated 950 KB (14%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 950 KB of unused JavaScript. This wasted data produces 0.22g of unnecessary CO2 per page view.
86% efficient

Total waste: 950 KB (14% of page weight)

Unused JS 950 KB

0.22g unnecessary CO2 per visit

Actual transfer 6994 KB
Theoretical minimum 6043 KB
Potential savings 950 KB (0.22g CO2)

See Deep Analysis sections above for specific optimizations.

A+
Green Hosting
Green (both)
PASS
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 Weight
99% cached
PASS
99% cached
Info::
99% reduction on repeat visits
Returning visitors download only 87 KB (vs 6994 KB first visit). 431 of 445 resources are served from browser cache, saving 1.60g CO2 per repeat visit.
Info::
Repeat visit: 0.02g CO2 (first visit: 1.62g)
First visit
6994 KB
Repeat visit
87 KB

99% reduction on repeat visits

Saving 1.60g CO2 per returning visitor

431 resources served from cache · 14 resources re-downloaded

A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

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.

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