Sustainability

· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.

SCORE

GRADE

FIX

REVIEW

PASS

INFO

Device:

Mobile Desktop

Checks

4 PASS 3 REVIEW

Green Hosting

Green (hosting)

REVIEW

Green (hosting)

GoDaddy uses renewable energy

GoDaddy: Verified by the Green Web Foundation

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 GoDaddy✓CDN Not identified✗

GoDaddy: Verified by the Green Web Foundation

Based on known provider commitments. Verify at thegreenwebfoundation.org

Transfer Efficiency

79% efficient

REVIEW

79% efficient

Transfer efficiency: 79%

An estimated 133 KB (21%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 133 KB of unused JavaScript. This wasted data produces 0.03g of unnecessary CO2 per page view.

Total waste: 133 KB (21% of page weight)

Unused JS 133 KB

0.03g unnecessary CO2 per visit

Actual transfer 646 KB

Theoretical minimum 512 KB

Potential savings 133 KB (0.03g CO2)

See Deep Analysis sections above for specific optimizations.

Web Font Weight Variants

6 font weights loaded across 1 famil(y/ies)

REVIEW

6 font weights loaded across 1 famil(y/ies)

6 font weights loaded -- review whether all are used

5+ weights for a single page is often more than needed. Compare against the actual font-weight CSS rules in your stylesheets; trim weights that aren't applied to any element. Affected families: Manrope.

A+

CO2 Per Page Load

0.15g CO2 per view

PASS

0.15g CO2 per view

0.15g CO2 per page view

This page transfers 0.6 MB, producing an estimated 0.15g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.00g, network 0.03g, end-user device 0.11g.

Got: 0.15g CO2 Expected: < 0.50g (sustainability target)

At 10,000 monthly views: 17.9 kg CO2/year

With 10,000 page views per month, this page would generate approximately 17.9 kg of CO2 annually — equivalent to charging 2240 smartphones.

Green hosting reduces data center emissions

0.15g

Carbon Footprint per page view

✓ Below sustainability target (0.50g)

Cleaner than 90% of websites

Sustainable Web Design model v4 · Page size: 0.6 MB

Your site

0.15g

Top 10%

0.20g

Target

0.50g

Median website

0.60g

Energy Breakdown

Data center

0.00g

Network

0.03g

End-user device

0.11g

At 10,000 monthly views: Monthly: 1.5 kg · Annual: 17.9 kg · ≈ 2240 smartphone charges

A+

Repeat Visit Weight

97% cached

PASS

97% cached

97% reduction on repeat visits

Returning visitors download only 17 KB (vs 646 KB first visit). 17 of 18 resources are served from browser cache, saving 0.15g CO2 per repeat visit.

Repeat visit: 0.00g CO2 (first visit: 0.15g)

First visit

646 KB

Repeat visit

17 KB

97% reduction on repeat visits

Saving 0.15g CO2 per returning visitor

17 resources served from cache · 1 resources re-downloaded

A+

Carbon Budget

10th percentile

PASS

10th percentile

0.15g CO2 — below the sustainability target of 0.50g

Cleaner than an estimated 90% of websites analyzed. This page meets the Web Sustainability Guidelines target.

Estimated 10th percentile

Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.

Top 10%

Target

Median website

0.15g

10th percentile

Cleaner than 90% of websites

✓ Below the Web Sustainability Guidelines target

vs Median 75% cleaner ✓

vs Target 70% cleaner ✓

A+

Green Hosting

Whether the site is served from green-energy infrastructure

PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: OVHcloud

Image Optimization

7 images, 117 KB total, 27 KB wasted

INFO

Image Optimization Audit

Total Images

Total Size

117 KB

Oversized

Wasted

27 KB

4 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.