https://tomorrowspayment.com
Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
75
GRADE
C
FIX
2
REVIEW
1
PASS
4
INFO
1
Checks
84 PASS 1 REVIEW 2 FIX
DCO2 Per Page LoadAction1.42g CO2 per viewFIX
CO2 Per Page Load
Action1.42g CO2 per view
1.42g CO2 per view
Warning::
1.42g CO2 per page view
This page transfers 6.0 MB, producing an estimated 1.42g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.04g, network 0.29g, end-user device 1.09g.
Got: 1.42g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 170.4 kg CO2/year
With 10,000 page views per month, this page would generate approximately 170.4 kg of CO2 annually — equivalent to charging 21303 smartphones.
Info::
Green hosting reduces data center emissions
1.42g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 27% of websites
Sustainable Web Design model v4 · Page size: 6.0 MB
Your site
1.42g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.04g
Network
0.29g
End-user device
1.09g
At 10,000 monthly views: Monthly: 14.2 kg · Annual: 170.4 kg · ≈ 21303 smartphone charges
FCarbon BudgetAction73th percentileFIX
Carbon Budget
Action73th percentile
73th percentile
Warning::
1.42g CO2 — above the median website (0.60g)
Heavier than an estimated 27% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 73th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
1.42g
73rd percentile
Cleaner than 27% of websites
✗ Above the median website
vs Median 137% more
vs Target 184% more
CWeb Font Weight VariantsAction18 font weights loaded across 5 famil(y/ies)REVIEW
Web Font Weight Variants
Action18 font weights loaded across 5 famil(y/ies)
18 font weights loaded across 5 famil(y/ies)
Warning::
18 font weights loaded -- likely 100+ KB of unused payload
Loading 18 font weights typically transfers 200-400 KB just for fonts. Most pages legitimately use 2-3 weights (regular + bold, maybe medium). Audit which weights your stylesheet actually applies and trim the Google Fonts URL accordingly. Affected families: Fustat, Inter, JetBrains Mono, Newsreader, Outfit.
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 Weight100% cachedPASS
Repeat Visit Weight
100% cached
100% cached
Info::
100% reduction on repeat visits
Returning visitors download only 16 KB (vs 6144 KB first visit). 20 of 21 resources are served from browser cache, saving 1.42g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 1.42g)
First visit
6144 KB
Repeat visit
16 KB
100% reduction on repeat visits
Saving 1.42g CO2 per returning visitor
20 resources served from cache · 1 resources re-downloaded
A+Transfer Efficiency100% efficientPASS
Transfer Efficiency
100% efficient
100% efficient
Info::
Transfer efficiency: 100%
Only 0 KB of potential savings identified. Your page is well-optimized for size.
Actual transfer 6144 KB
Theoretical minimum 6144 KB
See Deep Analysis sections above for specific optimizations.
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
Image Optimization7 images, 1013 KB total, 0 KB wastedINFO
Image Optimization
7 images, 1013 KB total, 0 KB wasted
Image Optimization Audit
Total Images
7
Total Size
1013 KB
7 missing dimensions 1 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.