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https://www.peloton.com

Sustainability

· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
73
GRADE
C
FIX
2
REVIEW
1
PASS
3
INFO
0
Device:
Mobile Desktop
Checks
6
3 PASS 1 REVIEW 2 FIX
D
CO2 Per Page Load
Action
1.24g CO2 per view
FIX
1.24g CO2 per view
Warning::
1.24g CO2 per page view
This page transfers 5.2 MB, producing an estimated 1.24g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.03g, network 0.26g, end-user device 0.95g.
Got: 1.24g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 148.4 kg CO2/year
With 10,000 page views per month, this page would generate approximately 148.4 kg of CO2 annually — equivalent to charging 18544 smartphones.
Info::
Green hosting reduces data center emissions

1.24g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 32% of websites

Sustainable Web Design model v4 · Page size: 5.2 MB

Your site
1.24g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.03g
Network
0.26g
End-user device
0.95g
At 10,000 monthly views: Monthly: 12.4 kg · Annual: 148.4 kg · ≈ 18544 smartphone charges
D
Carbon Budget
Action
68th percentile
FIX
68th percentile
Warning::
1.24g CO2 — above the median website (0.60g)
Heavier than an estimated 32% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 68th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

1.24g

68th percentile

Cleaner than 32% of websites

✗ Above the median website

vs Median 106% more
vs Target 147% more
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::
Cloudflare CDN uses renewable energy
Since most traffic is served through the CDN, the majority of data transfer energy is renewable.
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 Not identified✗CDN Cloudflare✓

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 34 KB (vs 5348 KB first visit). 144 of 146 resources are served from browser cache, saving 1.23g CO2 per repeat visit.
Info::
Repeat visit: 0.01g CO2 (first visit: 1.24g)
First visit
5348 KB
Repeat visit
34 KB

99% reduction on repeat visits

Saving 1.23g CO2 per returning visitor

144 resources served from cache · 2 resources re-downloaded

A+
Transfer Efficiency
92% efficient
PASS
92% efficient
Info::
Transfer efficiency: 92%
Only 436 KB of potential savings identified. Your page is well-optimized for size.
92% efficient

Total waste: 436 KB (8% of page weight)

Unused JS 436 KB

0.10g unnecessary CO2 per visit

Actual transfer 5348 KB
Theoretical minimum 4912 KB
Potential savings 436 KB (0.10g CO2)

See Deep Analysis sections above for specific optimizations.

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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