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Sustainability

· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
73
GRADE
C
FIX
2
REVIEW
1
PASS
4
INFO
1
Device:
Mobile Desktop
Checks
8
4 PASS 1 REVIEW 2 FIX
F
CO2 Per Page Load
Action
1.63g CO2 per view
FIX
1.63g CO2 per view
Warning::
1.63g CO2 per page view
This page transfers 6.9 MB, producing an estimated 1.63g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.04g, network 0.34g, end-user device 1.25g.
Got: 1.63g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 196.0 kg CO2/year
With 10,000 page views per month, this page would generate approximately 196.0 kg of CO2 annually — equivalent to charging 24502 smartphones.
Info::
Green hosting reduces data center emissions

1.63g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 21% of websites

Sustainable Web Design model v4 · Page size: 6.9 MB

Your site
1.63g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.04g
Network
0.34g
End-user device
1.25g
At 10,000 monthly views: Monthly: 16.3 kg · Annual: 196.0 kg · ≈ 24502 smartphone charges
F
Carbon Budget
Action
79th percentile
FIX
79th percentile
Warning::
1.63g CO2 — above the median website (0.60g)
Heavier than an estimated 21% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 79th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

1.63g

79th percentile

Cleaner than 21% of websites

✗ Above the median website

vs Median 172% more
vs Target 227% more
B
Green Hosting
Green (hosting)
REVIEW
Green (hosting)
Info::
Hostinger uses renewable energy
Info::
Hostinger: Verified by the Green Web Foundation
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 Hosting✓ Green Hosted
Hosting Hostinger✓CDN Not identified✗

Hostinger: Verified by the Green Web Foundation

Based on known provider commitments. Verify at thegreenwebfoundation.org

A+
Repeat Visit Weight
99% cached
PASS
99% cached
Info::
99% reduction on repeat visits
Returning visitors download only 77 KB (vs 7066 KB first visit). 68 of 70 resources are served from browser cache, saving 1.62g CO2 per repeat visit.
Info::
Repeat visit: 0.02g CO2 (first visit: 1.63g)
First visit
7066 KB
Repeat visit
77 KB

99% reduction on repeat visits

Saving 1.62g CO2 per returning visitor

68 resources served from cache · 2 resources re-downloaded

A+
Transfer Efficiency
97% efficient
PASS
97% efficient
Info::
Transfer efficiency: 97%
Only 195 KB of potential savings identified. Your page is well-optimized for size.
97% efficient

Total waste: 195 KB (3% of page weight)

Unused JS 195 KB

0.05g unnecessary CO2 per visit

Actual transfer 7066 KB
Theoretical minimum 6871 KB
Potential savings 195 KB (0.05g CO2)

See Deep Analysis sections above for specific optimizations.

A+
Web Font Weight Variants
4 font weights loaded across 1 famil(y/ies) -- reasonable
PASS
4 font weights loaded across 1 famil(y/ies) -- reasonable
Info::
4 font weight(s) loaded across 1 famil(y/ies)
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Hostinger

Image Optimization
21 images, 4107 KB total, 3964 KB wasted
INFO

Image Optimization Audit

Total Images

21

Total Size

4107 KB

Oversized

3

Wasted

3964 KB

21 missing dimensions 19 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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