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Sustainability

· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
76
GRADE
C
FIX
2
REVIEW
2
PASS
2
INFO
0
Device:
Mobile Desktop
Checks
6
2 PASS 2 REVIEW 2 FIX
D
CO2 Per Page Load
Action
1.39g CO2 per view
FIX
1.39g CO2 per view
Warning::
1.39g CO2 per page view
This page transfers 5.9 MB, producing an estimated 1.39g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.03g, network 0.29g, end-user device 1.07g.
Got: 1.39g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 166.9 kg CO2/year
With 10,000 page views per month, this page would generate approximately 166.9 kg of CO2 annually — equivalent to charging 20866 smartphones.
Info::
Green hosting reduces data center emissions

1.39g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 28% of websites

Sustainable Web Design model v4 · Page size: 5.9 MB

Your site
1.39g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.03g
Network
0.29g
End-user device
1.07g
At 10,000 monthly views: Monthly: 13.9 kg · Annual: 166.9 kg · ≈ 20866 smartphone charges
F
Carbon Budget
Action
72th percentile
FIX
72th percentile
Warning::
1.39g CO2 — above the median website (0.60g)
Heavier than an estimated 28% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 72th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

1.39g

72nd percentile

Cleaner than 28% of websites

✗ Above the median website

vs Median 132% more
vs Target 178% more
B
Green Hosting
Green (hosting)
REVIEW
Green (hosting)
Info::
GoDaddy uses renewable energy
Info::
GoDaddy: Verified by the Green Web Foundation
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 GoDaddy✓CDN Varnish✗

GoDaddy: Verified by the Green Web Foundation

Based on known provider commitments. Verify at thegreenwebfoundation.org

B
Transfer Efficiency
88% efficient
REVIEW
88% efficient
Info::
Transfer efficiency: 88%
An estimated 730 KB (12%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 730 KB of unused JavaScript. This wasted data produces 0.17g of unnecessary CO2 per page view.
88% efficient

Total waste: 730 KB (12% of page weight)

Unused JS 730 KB

0.17g unnecessary CO2 per visit

Actual transfer 6018 KB
Theoretical minimum 5287 KB
Potential savings 730 KB (0.17g CO2)

See Deep Analysis sections above for specific optimizations.

A+
Repeat Visit Weight
96% cached
PASS
96% cached
Info::
96% reduction on repeat visits
Returning visitors download only 250 KB (vs 6018 KB first visit). 577 of 627 resources are served from browser cache, saving 1.33g CO2 per repeat visit.
Info::
Repeat visit: 0.06g CO2 (first visit: 1.39g)
First visit
6018 KB
Repeat visit
250 KB

96% reduction on repeat visits

Saving 1.33g CO2 per returning visitor

577 resources served from cache · 50 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: ALL-INKL.COM

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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