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https://trimble.com

Sustainability

· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
61
GRADE
D
FIX
2
REVIEW
2
PASS
2
INFO
0
Device:
Mobile Desktop
Checks
6
2 PASS 2 REVIEW 2 FIX
F
CO2 Per Page Load
Action
1.81g CO2 per view
FIX
1.81g CO2 per view
Warning::
1.81g CO2 per page view
This page transfers 7.7 MB, producing an estimated 1.81g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.05g, network 0.38g, end-user device 1.39g.
Got: 1.81g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 217.6 kg CO2/year
With 10,000 page views per month, this page would generate approximately 217.6 kg of CO2 annually — equivalent to charging 27204 smartphones.
Info::
Green hosting reduces data center emissions

1.81g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 16% of websites

Sustainable Web Design model v4 · Page size: 7.7 MB

Your site
1.81g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.05g
Network
0.38g
End-user device
1.39g
At 10,000 monthly views: Monthly: 18.1 kg · Annual: 217.6 kg · ≈ 27204 smartphone charges
F
Carbon Budget
Action
84th percentile
FIX
84th percentile
Warning::
1.81g CO2 — above the median website (0.60g)
Heavier than an estimated 16% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 84th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

1.81g

84th percentile

Cleaner than 16% of websites

✗ Above the median website

vs Median 202% more
vs Target 263% more
C
Transfer Efficiency
Action
74% efficient
REVIEW
74% efficient
Warning::
Transfer efficiency: 74%
An estimated 2069 KB (26%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 2069 KB of unused JavaScript. This wasted data produces 0.48g of unnecessary CO2 per page view.
74% efficient

Total waste: 2069 KB (26% of page weight)

Unused JS 2069 KB

0.48g unnecessary CO2 per visit

Actual transfer 7846 KB
Theoretical minimum 5776 KB
Potential savings 2069 KB (0.48g CO2)

See Deep Analysis sections above for specific optimizations.

C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A
Green Hosting
Green (cdn)
PASS
Green (cdn)
Info::
Netlify CDN uses renewable energy
Since most traffic is served through the CDN, the majority of data transfer energy is renewable.
Info::
Netlify: Hosted on AWS/Google Cloud with renewable energy matching
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 Not identified✗CDN Netlify✓

Netlify: Hosted on AWS/Google Cloud with renewable energy matching

Based on known provider commitments. Verify at thegreenwebfoundation.org

A+
Repeat Visit Weight
97% cached
PASS
97% cached
Info::
97% reduction on repeat visits
Returning visitors download only 237 KB (vs 7846 KB first visit). 215 of 219 resources are served from browser cache, saving 1.76g CO2 per repeat visit.
Info::
Repeat visit: 0.05g CO2 (first visit: 1.81g)
First visit
7846 KB
Repeat visit
237 KB

97% reduction on repeat visits

Saving 1.76g CO2 per returning visitor

215 resources served from cache · 4 resources re-downloaded

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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