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https://transip.nl

Sustainability

· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
86
GRADE
B
FIX
0
REVIEW
2
PASS
4
INFO
0
Device:
Mobile Desktop
Checks
6
4 PASS 2 REVIEW
B
Green Hosting
Green (hosting)
REVIEW
Green (hosting)
Info::
Transip uses renewable energy
Info::
Transip: 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 Transip✓CDN Not identified✗

Transip: Verified by the Green Web Foundation

Based on known provider commitments. Verify at thegreenwebfoundation.org

B
Transfer Efficiency
77% efficient
REVIEW
77% efficient
Info::
Transfer efficiency: 77%
An estimated 371 KB (23%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 371 KB of unused JavaScript. This wasted data produces 0.09g of unnecessary CO2 per page view.
77% efficient

Total waste: 371 KB (23% of page weight)

Unused JS 371 KB

0.09g unnecessary CO2 per visit

Actual transfer 1593 KB
Theoretical minimum 1221 KB
Potential savings 371 KB (0.09g CO2)

See Deep Analysis sections above for specific optimizations.

A
CO2 Per Page Load
0.37g CO2 per view
PASS
0.37g CO2 per view
Info::
0.37g CO2 per page view
This page transfers 1.6 MB, producing an estimated 0.37g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.01g, network 0.08g, end-user device 0.28g.
Got: 0.37g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 44.2 kg CO2/year
With 10,000 page views per month, this page would generate approximately 44.2 kg of CO2 annually — equivalent to charging 5524 smartphones.
Info::
Green hosting reduces data center emissions

0.37g

Carbon Footprint per page view

✓ Below sustainability target (0.50g)

Cleaner than 74% of websites

Sustainable Web Design model v4 · Page size: 1.6 MB

Your site
0.37g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.01g
Network
0.08g
End-user device
0.28g
At 10,000 monthly views: Monthly: 3.7 kg · Annual: 44.2 kg · ≈ 5524 smartphone charges
A+
Repeat Visit Weight
80% cached
PASS
80% cached
Info::
80% reduction on repeat visits
Returning visitors download only 314 KB (vs 1593 KB first visit). 56 of 58 resources are served from browser cache, saving 0.30g CO2 per repeat visit.
Info::
Repeat visit: 0.07g CO2 (first visit: 0.37g)
First visit
1593 KB
Repeat visit
314 KB

80% reduction on repeat visits

Saving 0.30g CO2 per returning visitor

56 resources served from cache · 2 resources re-downloaded

A
Carbon Budget
26th percentile
PASS
26th percentile
Info::
0.37g CO2 — below the sustainability target of 0.50g
Cleaner than an estimated 74% of websites analyzed. This page meets the Web Sustainability Guidelines target.
Info::
Estimated 26th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

0.37g

26th percentile

Cleaner than 74% of websites

✓ Below the Web Sustainability Guidelines target

vs Median 39% cleaner ✓
vs Target 26% cleaner ✓
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Transip

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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