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https://legalizarte.app

Sustainability

· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
91
GRADE
A
FIX
0
REVIEW
1
PASS
6
INFO
1
Device:
Mobile Desktop
Checks
8
6 PASS 1 REVIEW
B
Transfer Efficiency
80% efficient
REVIEW
80% efficient
Info::
Transfer efficiency: 80%
An estimated 317 KB (20%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 317 KB of unused JavaScript. This wasted data produces 0.07g of unnecessary CO2 per page view.
80% efficient

Total waste: 317 KB (20% of page weight)

Unused JS 317 KB

0.07g unnecessary CO2 per visit

Actual transfer 1615 KB
Theoretical minimum 1297 KB
Potential savings 317 KB (0.07g CO2)

See Deep Analysis sections above for specific optimizations.

A
CO2 Per Page Load
0.37g CO2 per view
PASS
0.37g CO2 per view
Info::
0.37g CO2 per page view
This page transfers 1.6 MB, producing an estimated 0.37g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.01g, network 0.08g, end-user device 0.29g.
Got: 0.37g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 44.8 kg CO2/year
With 10,000 page views per month, this page would generate approximately 44.8 kg of CO2 annually — equivalent to charging 5599 smartphones.
Info::
Green hosting reduces data center emissions

0.37g

Carbon Footprint per page view

✓ Below sustainability target (0.50g)

Cleaner than 73% of websites

Sustainable Web Design model v4 · Page size: 1.6 MB

Your site
0.37g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.01g
Network
0.08g
End-user device
0.29g
At 10,000 monthly views: Monthly: 3.7 kg · Annual: 44.8 kg · ≈ 5599 smartphone charges
A+
Green Hosting
Green (both)
PASS
Green (both)
Info::
Both hosting and CDN use renewable energy
Got: Hosting: Cloudflare, CDN: Cloudflare
Info::
Cloudflare: Verified by the Green Web Foundation
Info::
Cloudflare: 100% renewable energy for global network since 2019
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 Cloudflare✓CDN Cloudflare✓

Cloudflare: Verified by the Green Web Foundation

Cloudflare: 100% renewable energy for global network since 2019

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 2 KB (vs 1615 KB first visit). 23 of 24 resources are served from browser cache, saving 0.37g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 0.37g)
First visit
1615 KB
Repeat visit
2 KB

100% reduction on repeat visits

Saving 0.37g CO2 per returning visitor

23 resources served from cache · 1 resources re-downloaded

A
Carbon Budget
27th percentile
PASS
27th percentile
Info::
0.37g CO2 — below the sustainability target of 0.50g
Cleaner than an estimated 73% of websites analyzed. This page meets the Web Sustainability Guidelines target.
Info::
Estimated 27th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

0.37g

27th percentile

Cleaner than 73% of websites

✓ Below the Web Sustainability Guidelines target

vs Median 38% cleaner ✓
vs Target 25% cleaner ✓
A+
Web Font Weight Variants
1 font weights loaded across 1 famil(y/ies) -- reasonable
PASS
1 font weights loaded across 1 famil(y/ies) -- reasonable
Info::
1 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: Cloudflare

Image Optimization
3 images, 943 KB total, 898 KB wasted
INFO

Image Optimization Audit

Total Images

3

Total Size

943 KB

Oversized

3

Wasted

898 KB

3 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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