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https://redbullshop.com

Sustainability

· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
54
GRADE
F
FIX
3
REVIEW
3
PASS
0
INFO
0
Device:
Mobile Desktop
Checks
6
3 REVIEW 3 FIX
F
CO2 Per Page Load
Action
1.54g CO2 per view
FIX
1.54g CO2 per view
Warning::
1.54g CO2 per page view
This page transfers 5.4 MB, producing an estimated 1.54g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.28g, network 0.27g, end-user device 0.99g.
Got: 1.54g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 184.2 kg CO2/year
With 10,000 page views per month, this page would generate approximately 184.2 kg of CO2 annually — equivalent to charging 23026 smartphones.

1.54g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 24% of websites

Sustainable Web Design model v4 · Page size: 5.4 MB

Your site
1.54g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.28g
Network
0.27g
End-user device
0.99g
At 10,000 monthly views: Monthly: 15.4 kg · Annual: 184.2 kg · ≈ 23026 smartphone charges
D
Green Hosting
Action
Unknown
FIX
Unknown
Info::
Hosting provider could not be identified
Without knowing the provider, we cannot determine their energy sourcing. Check with your hosting provider about their renewable energy commitments.
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 HostingUnable to Determine
Hosting Not identified✗CDN Not identified✗

Based on known provider commitments. Verify at thegreenwebfoundation.org

F
Carbon Budget
Action
76th percentile
FIX
76th percentile
Warning::
1.54g CO2 — above the median website (0.60g)
Heavier than an estimated 24% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 76th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

1.54g

76th percentile

Cleaner than 24% of websites

✗ Above the median website

vs Median 156% more
vs Target 207% more
B
Repeat Visit Weight
67% cached
REVIEW
67% cached
Info::
67% reduction on repeat visits
Returning visitors download only 1827 KB (vs 5550 KB first visit). 84 of 86 resources are served from browser cache, saving 1.03g CO2 per repeat visit.
Info::
Repeat visit: 0.51g CO2 (first visit: 1.54g)
First visit
5550 KB
Repeat visit
1827 KB

67% reduction on repeat visits

Saving 1.03g CO2 per returning visitor

84 resources served from cache · 2 resources re-downloaded

B
Transfer Efficiency
83% efficient
REVIEW
83% efficient
Info::
Transfer efficiency: 83%
An estimated 969 KB (17%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 969 KB of unused JavaScript. This wasted data produces 0.27g of unnecessary CO2 per page view.
83% efficient

Total waste: 969 KB (17% of page weight)

Unused JS 969 KB

0.27g unnecessary CO2 per visit

Actual transfer 5550 KB
Theoretical minimum 4581 KB
Potential savings 969 KB (0.27g 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

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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