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https://amplitude.com

Sustainability

· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
65
GRADE
D
FIX
2
REVIEW
1
PASS
3
INFO
0
Device:
Mobile Desktop
Checks
6
3 PASS 1 REVIEW 2 FIX
F
CO2 Per Page Load
Action
3.41g CO2 per view
FIX
3.41g CO2 per view
Critical::
3.41g CO2 per page view
This page transfers 14.4 MB, producing an estimated 3.41g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.09g, network 0.70g, end-user device 2.62g.
Got: 3.41g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 408.6 kg CO2/year
With 10,000 page views per month, this page would generate approximately 408.6 kg of CO2 annually — equivalent to charging 51077 smartphones.
Info::
Green hosting reduces data center emissions

3.41g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 5% of websites

Sustainable Web Design model v4 · Page size: 14.4 MB

Your site
3.41g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.09g
Network
0.70g
End-user device
2.62g
At 10,000 monthly views: Monthly: 34.1 kg · Annual: 408.6 kg · ≈ 51077 smartphone charges
F
Carbon Budget
Action
95th percentile
FIX
95th percentile
Warning::
3.41g 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

3.41g

95th percentile

Cleaner than 5% of websites

✗ Above the median website

vs Median 468% more
vs Target 581% 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::
Vercel CDN uses renewable energy
Since most traffic is served through the CDN, the majority of data transfer energy is renewable.
Info::
Vercel: Hosted on AWS/Google Cloud with 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 Hosting✓ Green Hosted
Hosting Next.js✗CDN Vercel✓

Vercel: Hosted on AWS/Google Cloud with renewable energy commitments

Based on known provider commitments. Verify at thegreenwebfoundation.org

A+
Repeat Visit Weight
100% cached
PASS
100% cached
Info::
100% reduction on repeat visits
Returning visitors download only 42 KB (vs 14732 KB first visit). 250 of 251 resources are served from browser cache, saving 3.40g CO2 per repeat visit.
Info::
Repeat visit: 0.01g CO2 (first visit: 3.41g)
First visit
14732 KB
Repeat visit
42 KB

100% reduction on repeat visits

Saving 3.40g CO2 per returning visitor

250 resources served from cache · 1 resources re-downloaded

A+
Transfer Efficiency
100% efficient
PASS
100% efficient
Info::
Transfer efficiency: 100%
Only 0 KB of potential savings identified. Your page is well-optimized for size.
100% efficient
Actual transfer 14732 KB
Theoretical minimum 14732 KB

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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