https://www.sacco-standard.co.ke
Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
72
GRADE
C
FIX
2
REVIEW
4
PASS
1
INFO
1
Checks
81 PASS 4 REVIEW 2 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
DCarbon BudgetAction51th percentileFIX
Carbon Budget
Action51th percentile
51th percentile
Warning::
0.64g CO2 — above the median website (0.60g)
Heavier than an estimated 49% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 51th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.64g
51st percentile
Cleaner than 49% of websites
✗ Above the median website
vs Median 6% more
vs Target 28% more
BCO2 Per Page Load0.64g CO2 per viewREVIEW
CO2 Per Page Load
0.64g CO2 per view
0.64g CO2 per view
Info::
0.64g CO2 per page view
This page transfers 2.3 MB, producing an estimated 0.64g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.12g, network 0.11g, end-user device 0.41g.
Got: 0.64g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 76.5 kg CO2/year
With 10,000 page views per month, this page would generate approximately 76.5 kg of CO2 annually — equivalent to charging 9564 smartphones.
0.64g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 49% of websites
Sustainable Web Design model v4 · Page size: 2.3 MB
Your site
0.64g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.12g
Network
0.11g
End-user device
0.41g
At 10,000 monthly views: Monthly: 6.4 kg · Annual: 76.5 kg · ≈ 9564 smartphone charges
BTransfer Efficiency76% efficientREVIEW
Transfer Efficiency
76% efficient
76% efficient
Info::
Transfer efficiency: 76%
An estimated 549 KB (24%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 549 KB of unused JavaScript. This wasted data produces 0.15g of unnecessary CO2 per page view.
Total waste: 549 KB (24% of page weight)
Unused JS 549 KB
0.15g unnecessary CO2 per visit
Actual transfer 2305 KB
Theoretical minimum 1755 KB
Potential savings 549 KB (0.15g CO2)
See Deep Analysis sections above for specific optimizations.
BWeb Font Weight Variants5 font weights loaded across 1 famil(y/ies)REVIEW
Web Font Weight Variants
5 font weights loaded across 1 famil(y/ies)
5 font weights loaded across 1 famil(y/ies)
Info::
5 font weights loaded -- review whether all are used
5+ weights for a single page is often more than needed. Compare against the actual font-weight CSS rules in your stylesheets; trim weights that aren't applied to any element. Affected families: Poppins.
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 2 KB (vs 2305 KB first visit). 21 of 22 resources are served from browser cache, saving 0.64g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 0.64g)
First visit
2305 KB
Repeat visit
2 KB
100% reduction on repeat visits
Saving 0.64g CO2 per returning visitor
21 resources served from cache · 1 resources re-downloaded
Image Optimization4 images, 397 KB total, 119 KB wastedINFO
Image Optimization
4 images, 397 KB total, 119 KB wasted
Image Optimization Audit
Total Images
4
Total Size
397 KB
Oversized
1
Wasted
119 KB
4 missing dimensions 1 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.