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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
80
GRADE
B
FIX
2
REVIEW
1
PASS
4
INFO
1
Device:
Mobile Desktop
Checks
8
4 PASS 1 REVIEW 2 FIX
D
CO2 Per Page Load
Action
0.94g CO2 per view
FIX
0.94g CO2 per view
Info::
0.94g CO2 per page view
This page transfers 4.0 MB, producing an estimated 0.94g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.02g, network 0.19g, end-user device 0.72g.
Got: 0.94g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 113.0 kg CO2/year
With 10,000 page views per month, this page would generate approximately 113.0 kg of CO2 annually — equivalent to charging 14127 smartphones.
Info::
Green hosting reduces data center emissions

0.94g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 41% of websites

Sustainable Web Design model v4 · Page size: 4.0 MB

Your site
0.94g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.02g
Network
0.19g
End-user device
0.72g
At 10,000 monthly views: Monthly: 9.4 kg · Annual: 113.0 kg · ≈ 14127 smartphone charges
D
Carbon Budget
Action
59th percentile
FIX
59th percentile
Warning::
0.94g CO2 — above the median website (0.60g)
Heavier than an estimated 41% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 59th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

0.94g

59th percentile

Cleaner than 41% of websites

✗ Above the median website

vs Median 57% more
vs Target 88% 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
100% cached
PASS
100% cached
Info::
100% reduction on repeat visits
Returning visitors download only 7 KB (vs 4074 KB first visit). 16 of 17 resources are served from browser cache, saving 0.94g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 0.94g)
First visit
4074 KB
Repeat visit
7 KB

100% reduction on repeat visits

Saving 0.94g CO2 per returning visitor

16 resources served from cache · 1 resources re-downloaded

A+
Transfer Efficiency
94% efficient
PASS
94% efficient
Info::
Transfer efficiency: 94%
Only 247 KB of potential savings identified. Your page is well-optimized for size.
94% efficient

Total waste: 247 KB (6% of page weight)

Unused JS 247 KB

0.06g unnecessary CO2 per visit

Actual transfer 4074 KB
Theoretical minimum 3827 KB
Potential savings 247 KB (0.06g CO2)

See Deep Analysis sections above for specific optimizations.

A+
Web Font Weight Variants
2 font weights loaded across 2 famil(y/ies) -- reasonable
PASS
2 font weights loaded across 2 famil(y/ies) -- reasonable
Info::
2 font weight(s) loaded across 2 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
14 images, 2945 KB total, 1410 KB wasted
INFO

Image Optimization Audit

Total Images

14

Total Size

2945 KB

Oversized

4

Wasted

1410 KB

12 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.

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