https://t.me
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
78
GRADE
C
FIX
1
REVIEW
3
PASS
2
INFO
0
Checks
62 PASS 3 REVIEW 1 FIX
DGreen HostingActionUnknownFIX
Green Hosting
ActionUnknown
Unknown
Info::
Hosting provider could not be identified
Without knowing the provider, we cannot determine their energy sourcing. Check with your hosting provider about their 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 HostingUnable to Determine
Hosting Not identified✗CDN Not identified✗
Based on known provider commitments. Verify at thegreenwebfoundation.org
BCO2 Per Page Load0.53g CO2 per viewREVIEW
CO2 Per Page Load
0.53g CO2 per view
0.53g CO2 per view
Info::
0.53g CO2 per page view
This page transfers 1.9 MB, producing an estimated 0.53g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.10g, network 0.09g, end-user device 0.34g.
Got: 0.53g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 63.5 kg CO2/year
With 10,000 page views per month, this page would generate approximately 63.5 kg of CO2 annually — equivalent to charging 7942 smartphones.
0.53g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 58% of websites
Sustainable Web Design model v4 · Page size: 1.9 MB
Your site
0.53g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.10g
Network
0.09g
End-user device
0.34g
At 10,000 monthly views: Monthly: 5.3 kg · Annual: 63.5 kg · ≈ 7942 smartphone charges
BCarbon Budget42th percentileREVIEW
Carbon Budget
42th percentile
42th percentile
Info::
0.53g CO2 — below the median website (0.60g)
Better than an estimated 58% of websites, but above the sustainability target of 0.50g. Reducing page weight would help reach the target.
Info::
Estimated 42th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.53g
42nd percentile
Cleaner than 58% of websites
✗ Above the median website
vs Median 12% cleaner ✓
vs Target 6% more
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
ActionWhether the site is served from green-energy infrastructure
Green Hosting
No green hosting detected
A+Repeat Visit Weight100% cachedPASS
Repeat Visit Weight
100% cached
100% cached
Info::
100% reduction on repeat visits
Returning visitors download only 5 KB (vs 1914 KB first visit). 51 of 52 resources are served from browser cache, saving 0.53g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 0.53g)
First visit
1914 KB
Repeat visit
5 KB
100% reduction on repeat visits
Saving 0.53g CO2 per returning visitor
51 resources served from cache · 1 resources re-downloaded
A+Transfer Efficiency100% efficientPASS
Transfer Efficiency
100% efficient
100% efficient
Info::
Transfer efficiency: 100%
Only 0 KB of potential savings identified. Your page is well-optimized for size.
Actual transfer 1914 KB
Theoretical minimum 1914 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.