https://www.nichidai.co.th
Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
70
GRADE
C
FIX
3
REVIEW
2
PASS
2
INFO
1
Checks
82 PASS 2 REVIEW 3 FIX
DCO2 Per Page LoadAction1.17g CO2 per viewFIX
CO2 Per Page Load
Action1.17g CO2 per view
1.17g CO2 per view
Warning::
1.17g CO2 per page view
This page transfers 4.1 MB, producing an estimated 1.17g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.22g, network 0.20g, end-user device 0.75g.
Got: 1.17g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 140.9 kg CO2/year
With 10,000 page views per month, this page would generate approximately 140.9 kg of CO2 annually — equivalent to charging 17612 smartphones.
1.17g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 34% of websites
Sustainable Web Design model v4 · Page size: 4.1 MB
Your site
1.17g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.22g
Network
0.20g
End-user device
0.75g
At 10,000 monthly views: Monthly: 11.7 kg · Annual: 140.9 kg · ≈ 17612 smartphone charges
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 BudgetAction66th percentileFIX
Carbon Budget
Action66th percentile
66th percentile
Warning::
1.17g CO2 — above the median website (0.60g)
Heavier than an estimated 34% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 66th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
1.17g
66th percentile
Cleaner than 34% of websites
✗ Above the median website
vs Median 96% more
vs Target 135% more
CWeb Font Weight VariantsAction20 font weights loaded across 4 famil(y/ies)REVIEW
Web Font Weight Variants
Action20 font weights loaded across 4 famil(y/ies)
20 font weights loaded across 4 famil(y/ies)
Warning::
20 font weights loaded -- likely 100+ KB of unused payload
Loading 20 font weights typically transfers 200-400 KB just for fonts. Most pages legitimately use 2-3 weights (regular + bold, maybe medium). Audit which weights your stylesheet actually applies and trim the Google Fonts URL accordingly. Affected families: K2D, Poppins, Roboto, Roboto%3A300%2C400%2C400i%2C500%2C500i%2C600%2C600i%2C700%2C700i%7CPoppins%3A300%2C400%2C400i%2C500%2C500i%2C600%2C600i%2C700%2C700i%7CPlayfair Display%3A400%2C400i%2C700%2C700i%2C800%2C900%7CMuli%3A400%7CLato%3A400%7CNunito Sans%3A400%2C600%2C700%2C900%7CKalam%3A400%7CRubik%3A400.
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 Weight99% cachedPASS
Repeat Visit Weight
99% cached
99% cached
Info::
99% reduction on repeat visits
Returning visitors download only 32 KB (vs 4245 KB first visit). 131 of 132 resources are served from browser cache, saving 1.17g CO2 per repeat visit.
Info::
Repeat visit: 0.01g CO2 (first visit: 1.17g)
First visit
4245 KB
Repeat visit
32 KB
99% reduction on repeat visits
Saving 1.17g CO2 per returning visitor
131 resources served from cache · 1 resources re-downloaded
A+Transfer Efficiency98% efficientPASS
Transfer Efficiency
98% efficient
98% efficient
Info::
Transfer efficiency: 98%
Only 80 KB of potential savings identified. Your page is well-optimized for size.
Total waste: 80 KB (2% of page weight)
Unused JS 80 KB
0.02g unnecessary CO2 per visit
Actual transfer 4245 KB
Theoretical minimum 4164 KB
Potential savings 80 KB (0.02g CO2)
See Deep Analysis sections above for specific optimizations.
Image Optimization13 images, 624 KB total, 191 KB wastedINFO
Image Optimization
13 images, 624 KB total, 191 KB wasted
Image Optimization Audit
Total Images
13
Total Size
624 KB
Oversized
4
Wasted
191 KB
4 missing dimensions 11 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.