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

3 PASS 2 REVIEW 2 FIX

CO2 Per Page Load

Action

1.39g CO2 per view

FIX

1.39g CO2 per view

1.39g CO2 per page view

This page transfers 5.9 MB, producing an estimated 1.39g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.03g, network 0.29g, end-user device 1.06g.

Got: 1.39g CO2 Expected: < 0.50g (sustainability target)

At 10,000 monthly views: 166.4 kg CO2/year

With 10,000 page views per month, this page would generate approximately 166.4 kg of CO2 annually — equivalent to charging 20796 smartphones.

Green hosting reduces data center emissions

1.39g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 28% of websites

Sustainable Web Design model v4 · Page size: 5.9 MB

Your site

1.39g

Top 10%

0.20g

Target

0.50g

Median website

0.60g

Energy Breakdown

Data center

0.03g

Network

0.29g

End-user device

1.06g

At 10,000 monthly views: Monthly: 13.9 kg · Annual: 166.4 kg · ≈ 20796 smartphone charges

Carbon Budget

Action

72th percentile

FIX

72th percentile

1.39g CO2 — above the median website (0.60g)

Heavier than an estimated 28% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.

Estimated 72th percentile

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

Top 10%

Target

Median website

1.39g

72nd percentile

Cleaner than 28% of websites

✗ Above the median website

vs Median 131% more

vs Target 177% more

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

Web Font Weight Variants

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

REVIEW

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

5 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: Roboto.

A+

Repeat Visit Weight

100% cached

PASS

100% cached

100% reduction on repeat visits

Returning visitors download only 16 KB (vs 5998 KB first visit). 65 of 66 resources are served from browser cache, saving 1.38g CO2 per repeat visit.

Repeat visit: 0.00g CO2 (first visit: 1.39g)

First visit

5998 KB

Repeat visit

16 KB

100% reduction on repeat visits

Saving 1.38g CO2 per returning visitor

65 resources served from cache · 1 resources re-downloaded

A+

Transfer Efficiency

93% efficient

PASS

93% efficient

Transfer efficiency: 93%

Only 429 KB of potential savings identified. Your page is well-optimized for size.

Total waste: 429 KB (7% of page weight)

Unused JS 429 KB

0.10g unnecessary CO2 per visit

Actual transfer 5998 KB

Theoretical minimum 5568 KB

Potential savings 429 KB (0.10g CO2)

See Deep Analysis sections above for specific optimizations.

A+

Green Hosting

Whether the site is served from green-energy infrastructure

PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Google Cloud

Image Optimization

3 images, 21 KB total, 0 KB wasted

INFO

Image Optimization Audit

Total Images

Total Size

21 KB

3 missing dimensions

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