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https://billboard.com

Sustainability

· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
53
GRADE
F
FIX
3
REVIEW
2
PASS
1
INFO
0
Device:
Mobile Desktop
Checks
6
1 PASS 2 REVIEW 3 FIX
F
CO2 Per Page Load
Action
2.75g CO2 per view
FIX
2.75g CO2 per view
Critical::
2.75g CO2 per page view
This page transfers 9.7 MB, producing an estimated 2.75g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.51g, network 0.47g, end-user device 1.76g.
Got: 2.75g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 329.7 kg CO2/year
With 10,000 page views per month, this page would generate approximately 329.7 kg of CO2 annually — equivalent to charging 41212 smartphones.

2.75g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 5% of websites

Sustainable Web Design model v4 · Page size: 9.7 MB

Your site
2.75g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.51g
Network
0.47g
End-user device
1.76g
At 10,000 monthly views: Monthly: 27.5 kg · Annual: 329.7 kg · ≈ 41212 smartphone charges
D
Green Hosting
Action
Not green
FIX
Not green
Info::
No confirmed renewable energy commitment detected
Consider providers like Cloudflare, Google Cloud, or Vercel that match 100% of their energy use with renewables.
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 HostingNot Green Hosted
Hosting Amazon Web Services✗CDN Not identified✗

Based on known provider commitments. Verify at thegreenwebfoundation.org

F
Carbon Budget
Action
95th percentile
FIX
95th percentile
Warning::
2.75g CO2 — above the median website (0.60g)
Heavier than an estimated 5% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 95th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

2.75g

95th percentile

Cleaner than 5% of websites

✗ Above the median website

vs Median 358% more
vs Target 449% more
B
Transfer Efficiency
89% efficient
REVIEW
89% efficient
Info::
Transfer efficiency: 89%
An estimated 1060 KB (11%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 1060 KB of unused JavaScript. This wasted data produces 0.29g of unnecessary CO2 per page view.
89% efficient

Total waste: 1060 KB (11% of page weight)

Unused JS 1060 KB

0.29g unnecessary CO2 per visit

Actual transfer 9934 KB
Theoretical minimum 8874 KB
Potential savings 1060 KB (0.29g 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+
Repeat Visit Weight
94% cached
PASS
94% cached
Info::
94% reduction on repeat visits
Returning visitors download only 566 KB (vs 9934 KB first visit). 303 of 315 resources are served from browser cache, saving 2.59g CO2 per repeat visit.
Info::
Repeat visit: 0.16g CO2 (first visit: 2.75g)
First visit
9934 KB
Repeat visit
566 KB

94% reduction on repeat visits

Saving 2.59g CO2 per returning visitor

303 resources served from cache · 12 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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