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https://baden-wuerttemberg.de

Sustainability

· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
83
GRADE
B
FIX
0
REVIEW
4
PASS
2
INFO
0
Checks
6
2 PASS 4 REVIEW
B
CO2 Per Page Load
0.53g CO2 per view
REVIEW
0.53g CO2 per view
Info::
0.53g CO2 per page view
This page transfers 2.3 MB, producing an estimated 0.53g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.01g, network 0.11g, end-user device 0.41g.
Got: 0.53g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 64.1 kg CO2/year
With 10,000 page views per month, this page would generate approximately 64.1 kg of CO2 annually — equivalent to charging 8012 smartphones.
Info::
Green hosting reduces data center emissions

0.53g

Carbon Footprint per page view

Above sustainability target (0.50g)

Cleaner than 57% of websites

Sustainable Web Design model v4 · Page size: 2.3 MB

Your site
0.53g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.01g
Network
0.11g
End-user device
0.41g
At 10,000 monthly views: Monthly: 5.3 kg · Annual: 64.1 kg · ≈ 8012 smartphone charges
B
Green Hosting
Green (hosting)
REVIEW
Green (hosting)
Info::
Internet AG uses renewable energy
Info::
Internet AG: 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 Internet AGCDN Not identified

Internet AG: Verified by the Green Web Foundation

Based on known provider commitments. Verify at thegreenwebfoundation.org

B
Carbon Budget
43th percentile
REVIEW
43th percentile
Info::
0.53g CO2 — below the median website (0.60g)
Better than an estimated 57% of websites, but above the sustainability target of 0.50g. Reducing page weight would help reach the target.
Info::
Estimated 43th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

0.53g

43rd percentile

Cleaner than 57% of websites

Above the median website

vs Median 11% cleaner ✓
vs Target 7% more
B
Transfer Efficiency
80% efficient
REVIEW
80% efficient
Info::
Transfer efficiency: 80%
An estimated 470 KB (20%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 470 KB of unused JavaScript. This wasted data produces 0.11g of unnecessary CO2 per page view.
80% efficient

Total waste: 470 KB (20% of page weight)

Unused JS 470 KB

0.11g unnecessary CO2 per visit

Actual transfer 2310 KB
Theoretical minimum 1840 KB
Potential savings 470 KB (0.11g CO2)

See Deep Analysis sections above for specific optimizations.

A+
Repeat Visit Weight
94% cached
PASS
94% cached
Info::
94% reduction on repeat visits
Returning visitors download only 148 KB (vs 2310 KB first visit). 25 of 26 resources are served from browser cache, saving 0.50g CO2 per repeat visit.
Info::
Repeat visit: 0.03g CO2 (first visit: 0.53g)
First visit
2310 KB
Repeat visit
148 KB

94% reduction on repeat visits

Saving 0.50g CO2 per returning visitor

25 resources served from cache · 1 resources re-downloaded

A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Internet AG

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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