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

5 PASS 2 FIX

CO2 Per Page Load

Action

2.12g CO2 per view

FIX

2.12g CO2 per view

2.12g CO2 per page view

This page transfers 9.0 MB, producing an estimated 2.12g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.05g, network 0.44g, end-user device 1.63g.

Got: 2.12g CO2 Expected: < 0.50g (sustainability target)

At 10,000 monthly views: 254.5 kg CO2/year

With 10,000 page views per month, this page would generate approximately 254.5 kg of CO2 annually — equivalent to charging 31809 smartphones.

Green hosting reduces data center emissions

2.12g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 5% of websites

Sustainable Web Design model v4 · Page size: 9.0 MB

Your site

2.12g

Top 10%

0.20g

Target

0.50g

Median website

0.60g

Energy Breakdown

Data center

0.05g

Network

0.44g

End-user device

1.63g

At 10,000 monthly views: Monthly: 21.2 kg · Annual: 254.5 kg · ≈ 31809 smartphone charges

Carbon Budget

Action

95th percentile

FIX

95th percentile

2.12g CO2 — above the median website (0.60g)

Heavier than an estimated 5% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.

Estimated 95th percentile

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

Top 10%

Target

Median website

2.12g

95th percentile

Cleaner than 5% of websites

✗ Above the median website

vs Median 253% more

vs Target 324% more

A+

Green Hosting

Green (both)

PASS

Green (both)

Both hosting and CDN use renewable energy

Got: Hosting: GoDaddy, CDN: Cloudflare

GoDaddy: Verified by the Green Web Foundation

Cloudflare: 100% renewable energy for global network since 2019

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 Cloudflare✓

GoDaddy: 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

99% cached

PASS

99% cached

99% reduction on repeat visits

Returning visitors download only 130 KB (vs 9174 KB first visit). 364 of 368 resources are served from browser cache, saving 2.09g CO2 per repeat visit.

Repeat visit: 0.03g CO2 (first visit: 2.12g)

First visit

9174 KB

Repeat visit

130 KB

99% reduction on repeat visits

Saving 2.09g CO2 per returning visitor

364 resources served from cache · 4 resources re-downloaded

A+

Transfer Efficiency

91% efficient

PASS

91% efficient

Transfer efficiency: 91%

Only 812 KB of potential savings identified. Your page is well-optimized for size.

Total waste: 812 KB (9% of page weight)

Unused JS 812 KB

0.19g unnecessary CO2 per visit

Actual transfer 9174 KB

Theoretical minimum 8362 KB

Potential savings 812 KB (0.19g CO2)

See Deep Analysis sections above for specific optimizations.

A+

Web Font Weight Variants

3 font weights loaded across 2 famil(y/ies) -- reasonable

PASS

3 font weights loaded across 2 famil(y/ies) -- reasonable

3 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: Cloudflare

Image Optimization

57 images, 928 KB total, 0 KB wasted

INFO

Image Optimization Audit

Total Images

Total Size

928 KB

3 missing alt text 57 missing dimensions 43 missing lazy loading

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.