https://www.theverge.com
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
72
GRADE
C
FIX
2
REVIEW
1
PASS
3
INFO
0
Checks
63 PASS 1 REVIEW 2 FIX
DCO2 Per Page LoadAction1.22g CO2 per viewFIX
CO2 Per Page Load
Action1.22g CO2 per view
1.22g CO2 per view
Warning::
1.22g CO2 per page view
This page transfers 5.2 MB, producing an estimated 1.22g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.03g, network 0.25g, end-user device 0.94g.
Got: 1.22g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 146.3 kg CO2/year
With 10,000 page views per month, this page would generate approximately 146.3 kg of CO2 annually — equivalent to charging 18287 smartphones.
Info::
Green hosting reduces data center emissions
1.22g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 33% of websites
Sustainable Web Design model v4 · Page size: 5.2 MB
Your site
1.22g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.03g
Network
0.25g
End-user device
0.94g
At 10,000 monthly views: Monthly: 12.2 kg · Annual: 146.3 kg · ≈ 18287 smartphone charges
DCarbon BudgetAction67th percentileFIX
Carbon Budget
Action67th percentile
67th percentile
Warning::
1.22g CO2 — above the median website (0.60g)
Heavier than an estimated 33% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 67th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
1.22g
67th percentile
Cleaner than 33% of websites
✗ Above the median website
vs Median 103% more
vs Target 144% more
CTransfer EfficiencyAction74% efficientREVIEW
Transfer Efficiency
Action74% efficient
74% efficient
Warning::
Transfer efficiency: 74%
An estimated 1382 KB (26%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 1382 KB of unused JavaScript. This wasted data produces 0.32g of unnecessary CO2 per page view.
Total waste: 1382 KB (26% of page weight)
Unused JS 1382 KB
0.32g unnecessary CO2 per visit
Actual transfer 5274 KB
Theoretical minimum 3891 KB
Potential savings 1382 KB (0.32g CO2)
See Deep Analysis sections above for specific optimizations.
A+Green HostingGreen (both)PASS
Green Hosting
Green (both)
Green (both)
Info::
Both hosting and CDN use renewable energy
Got: Hosting: Next.js, CDN: Fastly
Info::
Next.js: Verified by the Green Web Foundation
Info::
Fastly: 100% renewable energy for edge network
Info::
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 Next.js✓CDN Fastly✓
Next.js: Verified by the Green Web Foundation
Fastly: 100% renewable energy for edge network
Based on known provider commitments. Verify at thegreenwebfoundation.org
A+Repeat Visit Weight98% cachedPASS
Repeat Visit Weight
98% cached
98% cached
Info::
98% reduction on repeat visits
Returning visitors download only 114 KB (vs 5274 KB first visit). 178 of 187 resources are served from browser cache, saving 1.19g CO2 per repeat visit.
Info::
Repeat visit: 0.03g CO2 (first visit: 1.22g)
First visit
5274 KB
Repeat visit
114 KB
98% reduction on repeat visits
Saving 1.19g CO2 per returning visitor
178 resources served from cache · 9 resources re-downloaded
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
Whether the site is served from green-energy infrastructure
Green Hosting
This site is hosted on green energy infrastructure
Provider: Axis12 Ltd
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.