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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
Device:
Mobile Desktop
Checks
8
2 PASS 2 REVIEW 3 FIX
D
CO2 Per Page Load
Action
1.13g CO2 per view
FIX
1.13g CO2 per view
Warning::
1.13g CO2 per page view
This page transfers 4.0 MB, producing an estimated 1.13g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.21g, network 0.20g, end-user device 0.73g.
Got: 1.13g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 136.2 kg CO2/year
With 10,000 page views per month, this page would generate approximately 136.2 kg of CO2 annually — equivalent to charging 17023 smartphones.

1.13g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 35% of websites

Sustainable Web Design model v4 · Page size: 4.0 MB

Your site
1.13g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.21g
Network
0.20g
End-user device
0.73g
At 10,000 monthly views: Monthly: 11.3 kg · Annual: 136.2 kg · ≈ 17023 smartphone charges
D
Green Hosting
Action
Unknown
FIX
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

D
Carbon Budget
Action
65th percentile
FIX
65th percentile
Warning::
1.13g CO2 — above the median website (0.60g)
Heavier than an estimated 35% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 65th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

1.13g

65th percentile

Cleaner than 35% of websites

✗ Above the median website

vs Median 89% more
vs Target 127% more
C
Web Font Weight Variants
Action
20 font weights loaded across 4 famil(y/ies)
REVIEW
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.
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Repeat Visit Weight
99% cached
PASS
99% cached
Info::
99% reduction on repeat visits
Returning visitors download only 32 KB (vs 4103 KB first visit). 130 of 131 resources are served from browser cache, saving 1.13g CO2 per repeat visit.
Info::
Repeat visit: 0.01g CO2 (first visit: 1.13g)
First visit
4103 KB
Repeat visit
32 KB

99% reduction on repeat visits

Saving 1.13g CO2 per returning visitor

130 resources served from cache · 1 resources re-downloaded

A+
Transfer Efficiency
98% efficient
PASS
98% efficient
Info::
Transfer efficiency: 98%
Only 80 KB of potential savings identified. Your page is well-optimized for size.
98% efficient

Total waste: 80 KB (2% of page weight)

Unused JS 80 KB

0.02g unnecessary CO2 per visit

Actual transfer 4103 KB
Theoretical minimum 4022 KB
Potential savings 80 KB (0.02g CO2)

See Deep Analysis sections above for specific optimizations.

Image Optimization
13 images, 624 KB total, 191 KB wasted
INFO

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.

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