https://Www.mybni.com
Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
76
GRADE
C
FIX
1
REVIEW
3
PASS
3
INFO
1
Checks
83 PASS 3 REVIEW 1 FIX
DGreen HostingActionNot greenFIX
Green Hosting
ActionNot green
Not green
Info::
No confirmed renewable energy commitment detected
Consider providers like Cloudflare, Google Cloud, or Vercel that match 100% of their energy use with renewables.
Info::
AWS: Renewable energy varies by region; committed to 100% by 2025
Info::
AWS CloudFront: Renewable varies by edge location
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 HostingNot Green Hosted
Hosting AWS✗CDN AWS CloudFront✗
AWS: Renewable energy varies by region; committed to 100% by 2025
AWS CloudFront: Renewable varies by edge location
Based on known provider commitments. Verify at thegreenwebfoundation.org
CTransfer EfficiencyAction74% efficientREVIEW
Transfer Efficiency
Action74% efficient
74% efficient
Warning::
Transfer efficiency: 74%
An estimated 224 KB (26%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 224 KB of unused JavaScript. This wasted data produces 0.06g of unnecessary CO2 per page view.
Total waste: 224 KB (26% of page weight)
Unused JS 224 KB
0.06g unnecessary CO2 per visit
Actual transfer 873 KB
Theoretical minimum 649 KB
Potential savings 224 KB (0.06g CO2)
See Deep Analysis sections above for specific optimizations.
BWeb Font Weight VariantsNo detectable Google Fonts weightsREVIEW
Web Font Weight Variants
No detectable Google Fonts weights
No detectable Google Fonts weights
Info::
No detectable Google Fonts weights
The analyzer detects font weights via Google Fonts URL parameters (~70% of font-using sites). Self-hosted fonts and non-Google CDN fonts aren't visible to URL-based detection. If you self-host fonts, manually audit how many @font-face weights you ship -- 2-3 weights per family is typically enough; 5+ is usually unused payload.
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
ACO2 Per Page Load0.24g CO2 per viewPASS
CO2 Per Page Load
0.24g CO2 per view
0.24g CO2 per view
Info::
0.24g CO2 per page view
This page transfers 0.9 MB, producing an estimated 0.24g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.04g, network 0.04g, end-user device 0.16g.
Got: 0.24g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 29.0 kg CO2/year
With 10,000 page views per month, this page would generate approximately 29.0 kg of CO2 annually — equivalent to charging 3624 smartphones.
0.24g
Carbon Footprint per page view
✓ Below sustainability target (0.50g)
Cleaner than 86% of websites
Sustainable Web Design model v4 · Page size: 0.9 MB
Your site
0.24g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.04g
Network
0.04g
End-user device
0.16g
At 10,000 monthly views: Monthly: 2.4 kg · Annual: 29.0 kg · ≈ 3624 smartphone charges
A+Repeat Visit Weight100% cachedPASS
Repeat Visit Weight
100% cached
100% cached
Info::
100% reduction on repeat visits
Returning visitors download only 1 KB (vs 873 KB first visit). 23 of 24 resources are served from browser cache, saving 0.24g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 0.24g)
First visit
873 KB
Repeat visit
1 KB
100% reduction on repeat visits
Saving 0.24g CO2 per returning visitor
23 resources served from cache · 1 resources re-downloaded
ACarbon Budget14th percentilePASS
Carbon Budget
14th percentile
14th percentile
Info::
0.24g CO2 — below the sustainability target of 0.50g
Cleaner than an estimated 86% of websites analyzed. This page meets the Web Sustainability Guidelines target.
Info::
Estimated 14th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.24g
14th percentile
Cleaner than 86% of websites
✓ Below the Web Sustainability Guidelines target
vs Median 60% cleaner ✓
vs Target 52% cleaner ✓
Image Optimization12 images, 11 KB total, 9 KB wastedINFO
Image Optimization
12 images, 11 KB total, 9 KB wasted
Image Optimization Audit
Total Images
12
Total Size
11 KB
Oversized
11
Wasted
9 KB
11 missing alt text 11 missing dimensions 10 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.