https://ihk.de
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
Checks
64 PASS 2 REVIEW
BGreen HostingGreen (hosting)REVIEW
Green Hosting
Green (hosting)
Green (hosting)
Info::
OVHcloud uses renewable energy
Info::
OVHcloud: 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 OVHcloud✓CDN Not identified✗
OVHcloud: Verified by the Green Web Foundation
Based on known provider commitments. Verify at thegreenwebfoundation.org
BTransfer Efficiency88% efficientREVIEW
Transfer Efficiency
88% efficient
88% efficient
Info::
Transfer efficiency: 88%
An estimated 156 KB (12%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 156 KB of unused JavaScript. This wasted data produces 0.04g of unnecessary CO2 per page view.
Total waste: 156 KB (12% of page weight)
Unused JS 156 KB
0.04g unnecessary CO2 per visit
Actual transfer 1254 KB
Theoretical minimum 1098 KB
Potential savings 156 KB (0.04g CO2)
See Deep Analysis sections above for specific optimizations.
ACO2 Per Page Load0.29g CO2 per viewPASS
CO2 Per Page Load
0.29g CO2 per view
0.29g CO2 per view
Info::
0.29g CO2 per page view
This page transfers 1.2 MB, producing an estimated 0.29g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.01g, network 0.06g, end-user device 0.22g.
Got: 0.29g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 34.8 kg CO2/year
With 10,000 page views per month, this page would generate approximately 34.8 kg of CO2 annually — equivalent to charging 4350 smartphones.
Info::
Green hosting reduces data center emissions
0.29g
Carbon Footprint per page view
✓ Below sustainability target (0.50g)
Cleaner than 81% of websites
Sustainable Web Design model v4 · Page size: 1.2 MB
Your site
0.29g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.01g
Network
0.06g
End-user device
0.22g
At 10,000 monthly views: Monthly: 2.9 kg · Annual: 34.8 kg · ≈ 4350 smartphone charges
A+Repeat Visit Weight99% cachedPASS
Repeat Visit Weight
99% cached
99% cached
Info::
99% reduction on repeat visits
Returning visitors download only 10 KB (vs 1254 KB first visit). 41 of 42 resources are served from browser cache, saving 0.29g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 0.29g)
First visit
1254 KB
Repeat visit
10 KB
99% reduction on repeat visits
Saving 0.29g CO2 per returning visitor
41 resources served from cache · 1 resources re-downloaded
ACarbon Budget19th percentilePASS
Carbon Budget
19th percentile
19th percentile
Info::
0.29g CO2 — below the sustainability target of 0.50g
Cleaner than an estimated 81% of websites analyzed. This page meets the Web Sustainability Guidelines target.
Info::
Estimated 19th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.29g
19th percentile
Cleaner than 81% of websites
✓ Below the Web Sustainability Guidelines target
vs Median 52% cleaner ✓
vs Target 42% cleaner ✓
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
Whether the site is served from green-energy infrastructure
Green Hosting
This site is hosted on green energy infrastructure
Provider: OVHcloud
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.