https://www.dentistwandsworth.co.uk/veneers-cost

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

2 PASS 2 REVIEW 3 FIX

CO2 Per Page Load

Action

0.87g CO2 per view

FIX

0.87g CO2 per view

0.87g CO2 per page view

This page transfers 3.1 MB, producing an estimated 0.87g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.16g, network 0.15g, end-user device 0.56g.

Got: 0.87g CO2 Expected: < 0.50g (sustainability target)

At 10,000 monthly views: 104.5 kg CO2/year

With 10,000 page views per month, this page would generate approximately 104.5 kg of CO2 annually — equivalent to charging 13066 smartphones.

0.87g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 43% of websites

Sustainable Web Design model v4 · Page size: 3.1 MB

Your site

0.87g

Top 10%

0.20g

Target

0.50g

Median website

0.60g

Energy Breakdown

Data center

0.16g

Network

0.15g

End-user device

0.56g

At 10,000 monthly views: Monthly: 8.7 kg · Annual: 104.5 kg · ≈ 13066 smartphone charges

Green Hosting

Action

Unknown

FIX

Unknown

Hosting provider could not be identified

Without knowing the provider, we cannot determine their energy sourcing. Check with your hosting provider about their renewable energy commitments.

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 HostingUnable to Determine

Hosting Not identified✗CDN Not identified✗

Based on known provider commitments. Verify at thegreenwebfoundation.org

Carbon Budget

Action

57th percentile

FIX

57th percentile

0.87g CO2 — above the median website (0.60g)

Heavier than an estimated 43% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.

Estimated 57th percentile

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

Top 10%

Target

Median website

0.87g

57th percentile

Cleaner than 43% of websites

✗ Above the median website

vs Median 45% more

vs Target 74% more

Transfer Efficiency

82% efficient

REVIEW

82% efficient

Transfer efficiency: 82%

An estimated 571 KB (18%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 571 KB of unused JavaScript. This wasted data produces 0.16g of unnecessary CO2 per page view.

Total waste: 571 KB (18% of page weight)

Unused JS 571 KB

0.16g unnecessary CO2 per visit

Actual transfer 3149 KB

Theoretical minimum 2577 KB

Potential savings 571 KB (0.16g CO2)

See Deep Analysis sections above for specific optimizations.

Green Hosting

Action

Whether the site is served from green-energy infrastructure

REVIEW

Green Hosting

No green hosting detected

A+

Repeat Visit Weight

99% cached

PASS

99% cached

99% reduction on repeat visits

Returning visitors download only 38 KB (vs 3149 KB first visit). 73 of 75 resources are served from browser cache, saving 0.86g CO2 per repeat visit.

Repeat visit: 0.01g CO2 (first visit: 0.87g)

First visit

3149 KB

Repeat visit

38 KB

99% reduction on repeat visits

Saving 0.86g CO2 per returning visitor

73 resources served from cache · 2 resources re-downloaded

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)

Image Optimization

30 images, 1741 KB total, 0 KB wasted

INFO

Image Optimization Audit

Total Images

Total Size

1741 KB

21 missing dimensions 24 missing lazy loading

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