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 1 REVIEW 2 FIX

CO2 Per Page Load

Action

4.46g CO2 per view

FIX

4.46g CO2 per view

4.46g CO2 per page view

This page transfers 18.8 MB, producing an estimated 4.46g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.11g, network 0.92g, end-user device 3.42g.

Got: 4.46g CO2 Expected: < 0.50g (sustainability target)

At 10,000 monthly views: 534.6 kg CO2/year

With 10,000 page views per month, this page would generate approximately 534.6 kg of CO2 annually — equivalent to charging 66826 smartphones.

Green hosting reduces data center emissions

4.46g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 5% of websites

Sustainable Web Design model v4 · Page size: 18.8 MB

Your site

4.46g

Top 10%

0.20g

Target

0.50g

Median website

0.60g

Energy Breakdown

Data center

0.11g

Network

0.92g

End-user device

3.42g

At 10,000 monthly views: Monthly: 44.6 kg · Annual: 534.6 kg · ≈ 66826 smartphone charges

Carbon Budget

Action

95th percentile

FIX

95th percentile

4.46g 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

4.46g

95th percentile

Cleaner than 5% of websites

✗ Above the median website

vs Median 643% more

vs Target 791% more

Green Hosting

Action

Whether the site is served from green-energy infrastructure

REVIEW

Green Hosting

No green hosting detected

A+

Green Hosting

Green (both)

PASS

Green (both)

Both hosting and CDN use renewable energy

Got: Hosting: Kinsta, CDN: Cloudflare

Kinsta: Listed in the Green Web Foundation dataset

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 Kinsta✓CDN Cloudflare✓

Kinsta: Listed in the Green Web Foundation dataset

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

100% reduction on repeat visits

Returning visitors download only 82 KB (vs 19274 KB first visit). 225 of 226 resources are served from browser cache, saving 4.44g CO2 per repeat visit.

Repeat visit: 0.02g CO2 (first visit: 4.46g)

First visit

19274 KB

Repeat visit

82 KB

100% reduction on repeat visits

Saving 4.44g CO2 per returning visitor

225 resources served from cache · 1 resources re-downloaded

A+

Transfer Efficiency

94% efficient

PASS

94% efficient

Transfer efficiency: 94%

Only 1062 KB of potential savings identified. Your page is well-optimized for size.

Total waste: 1062 KB (6% of page weight)

Unused JS 1062 KB

0.25g unnecessary CO2 per visit

Actual transfer 19274 KB

Theoretical minimum 18211 KB

Potential savings 1062 KB (0.25g 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

2 font weight(s) loaded across 2 famil(y/ies)

Image Optimization

119 images, 12184 KB total, 6418 KB wasted

INFO

Image Optimization Audit

Total Images

119

Total Size

12184 KB

Oversized

Wasted

6418 KB

103 missing lazy loading

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