https://myfonts.com
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
68
GRADE
D
FIX
2
REVIEW
1
PASS
3
INFO
0
Checks
63 PASS 1 REVIEW 2 FIX
FCO2 Per Page LoadAction1.60g CO2 per viewFIX
CO2 Per Page Load
Action1.60g CO2 per view
1.60g CO2 per view
Warning::
1.60g CO2 per page view
This page transfers 6.7 MB, producing an estimated 1.60g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.04g, network 0.33g, end-user device 1.23g.
Got: 1.60g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 191.5 kg CO2/year
With 10,000 page views per month, this page would generate approximately 191.5 kg of CO2 annually — equivalent to charging 23932 smartphones.
Info::
Green hosting reduces data center emissions
1.60g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 22% of websites
Sustainable Web Design model v4 · Page size: 6.7 MB
Your site
1.60g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.04g
Network
0.33g
End-user device
1.23g
At 10,000 monthly views: Monthly: 16.0 kg · Annual: 191.5 kg · ≈ 23932 smartphone charges
FCarbon BudgetAction78th percentileFIX
Carbon Budget
Action78th percentile
78th percentile
Warning::
1.60g CO2 — above the median website (0.60g)
Heavier than an estimated 22% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 78th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
1.60g
78th percentile
Cleaner than 22% of websites
✗ Above the median website
vs Median 166% more
vs Target 219% more
BTransfer Efficiency84% efficientREVIEW
Transfer Efficiency
84% efficient
84% efficient
Info::
Transfer efficiency: 84%
An estimated 1135 KB (16%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 1135 KB of unused JavaScript. This wasted data produces 0.26g of unnecessary CO2 per page view.
Total waste: 1135 KB (16% of page weight)
Unused JS 1135 KB
0.26g unnecessary CO2 per visit
Actual transfer 6902 KB
Theoretical minimum 5767 KB
Potential savings 1135 KB (0.26g 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: Cloudflare, CDN: Cloudflare
Info::
Cloudflare: Verified by the Green Web Foundation
Info::
Cloudflare: 100% renewable energy for global network since 2019
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 Cloudflare✓CDN Cloudflare✓
Cloudflare: 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 Weight98% cachedPASS
Repeat Visit Weight
98% cached
98% cached
Info::
98% reduction on repeat visits
Returning visitors download only 172 KB (vs 6902 KB first visit). 309 of 311 resources are served from browser cache, saving 1.56g CO2 per repeat visit.
Info::
Repeat visit: 0.04g CO2 (first visit: 1.60g)
First visit
6902 KB
Repeat visit
172 KB
98% reduction on repeat visits
Saving 1.56g CO2 per returning visitor
309 resources served from cache · 2 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: Cloudflare
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.