https://www.globalmaritimecontainers.com
Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
79
GRADE
C
FIX
1
REVIEW
3
PASS
3
INFO
1
Checks
83 PASS 3 REVIEW 1 FIX
DCarbon BudgetAction55th percentileFIX
Carbon Budget
Action55th percentile
55th percentile
Warning::
0.80g CO2 — above the median website (0.60g)
Heavier than an estimated 45% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 55th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.80g
55th percentile
Cleaner than 45% of websites
✗ Above the median website
vs Median 33% more
vs Target 60% more
BCO2 Per Page Load0.80g CO2 per viewREVIEW
CO2 Per Page Load
0.80g CO2 per view
0.80g CO2 per view
Info::
0.80g CO2 per page view
This page transfers 3.4 MB, producing an estimated 0.80g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.02g, network 0.16g, end-user device 0.61g.
Got: 0.80g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 95.7 kg CO2/year
With 10,000 page views per month, this page would generate approximately 95.7 kg of CO2 annually — equivalent to charging 11966 smartphones.
Info::
Green hosting reduces data center emissions
0.80g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 45% of websites
Sustainable Web Design model v4 · Page size: 3.4 MB
Your site
0.80g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.02g
Network
0.16g
End-user device
0.61g
At 10,000 monthly views: Monthly: 8.0 kg · Annual: 95.7 kg · ≈ 11966 smartphone charges
CWeb Font Weight VariantsAction8 font weights loaded across 2 famil(y/ies)REVIEW
Web Font Weight Variants
Action8 font weights loaded across 2 famil(y/ies)
8 font weights loaded across 2 famil(y/ies)
Warning::
8 font weights loaded -- likely 100+ KB of unused payload
Loading 8 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: Inter, Outfit.
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
ActionWhether the site is served from green-energy infrastructure
Green Hosting
No green hosting detected
AGreen HostingGreen (cdn)PASS
Green Hosting
Green (cdn)
Green (cdn)
Info::
Netlify CDN uses renewable energy
Since most traffic is served through the CDN, the majority of data transfer energy is renewable.
Info::
Netlify: Hosted on AWS/Google Cloud with renewable energy matching
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 Not identified✗CDN Netlify✓
Netlify: Hosted on AWS/Google Cloud with renewable energy matching
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 4 KB (vs 3451 KB first visit). 32 of 33 resources are served from browser cache, saving 0.80g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 0.80g)
First visit
3451 KB
Repeat visit
4 KB
100% reduction on repeat visits
Saving 0.80g CO2 per returning visitor
32 resources served from cache · 1 resources re-downloaded
A+Transfer Efficiency93% efficientPASS
Transfer Efficiency
93% efficient
93% efficient
Info::
Transfer efficiency: 93%
Only 230 KB of potential savings identified. Your page is well-optimized for size.
Total waste: 230 KB (7% of page weight)
Unused JS 230 KB
0.05g unnecessary CO2 per visit
Actual transfer 3451 KB
Theoretical minimum 3220 KB
Potential savings 230 KB (0.05g CO2)
See Deep Analysis sections above for specific optimizations.
Image Optimization14 images, 398 KB total, 365 KB wastedINFO
Image Optimization
14 images, 398 KB total, 365 KB wasted
Image Optimization Audit
Total Images
14
Total Size
398 KB
Oversized
10
Wasted
365 KB
14 missing dimensions 9 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.