https://printxpressgp.com
Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
68
GRADE
D
FIX
3
REVIEW
2
PASS
2
INFO
1
Checks
82 PASS 2 REVIEW 3 FIX
DCO2 Per Page LoadAction0.98g CO2 per viewFIX
CO2 Per Page Load
Action0.98g CO2 per view
0.98g CO2 per view
Info::
0.98g CO2 per page view
This page transfers 3.5 MB, producing an estimated 0.98g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.18g, network 0.17g, end-user device 0.63g.
Got: 0.98g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 117.4 kg CO2/year
With 10,000 page views per month, this page would generate approximately 117.4 kg of CO2 annually — equivalent to charging 14670 smartphones.
0.98g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 40% of websites
Sustainable Web Design model v4 · Page size: 3.5 MB
Your site
0.98g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.18g
Network
0.17g
End-user device
0.63g
At 10,000 monthly views: Monthly: 9.8 kg · Annual: 117.4 kg · ≈ 14670 smartphone charges
DGreen HostingActionUnknownFIX
Green Hosting
ActionUnknown
Unknown
Info::
Hosting provider could not be identified
Without knowing the provider, we cannot determine their energy sourcing. Check with your hosting provider about their renewable energy commitments.
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 HostingUnable to Determine
Hosting Not identified✗CDN Not identified✗
Based on known provider commitments. Verify at thegreenwebfoundation.org
DCarbon BudgetAction60th percentileFIX
Carbon Budget
Action60th percentile
60th percentile
Warning::
0.98g CO2 — above the median website (0.60g)
Heavier than an estimated 40% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 60th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.98g
60th percentile
Cleaner than 40% of websites
✗ Above the median website
vs Median 63% more
vs Target 96% more
CTransfer EfficiencyAction68% efficientREVIEW
Transfer Efficiency
Action68% efficient
68% efficient
Warning::
Transfer efficiency: 68%
An estimated 1142 KB (32%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 1142 KB of unused JavaScript. This wasted data produces 0.32g of unnecessary CO2 per page view.
Total waste: 1142 KB (32% of page weight)
Unused JS 1142 KB
0.32g unnecessary CO2 per visit
Actual transfer 3536 KB
Theoretical minimum 2393 KB
Potential savings 1142 KB (0.32g CO2)
See Deep Analysis sections above for specific optimizations.
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
A+Repeat Visit Weight98% cachedPASS
Repeat Visit Weight
98% cached
98% cached
Info::
98% reduction on repeat visits
Returning visitors download only 74 KB (vs 3536 KB first visit). 79 of 81 resources are served from browser cache, saving 0.96g CO2 per repeat visit.
Info::
Repeat visit: 0.02g CO2 (first visit: 0.98g)
First visit
3536 KB
Repeat visit
74 KB
98% reduction on repeat visits
Saving 0.96g CO2 per returning visitor
79 resources served from cache · 2 resources re-downloaded
A+Web Font Weight Variants4 font weights loaded across 1 famil(y/ies) -- reasonablePASS
Web Font Weight Variants
4 font weights loaded across 1 famil(y/ies) -- reasonable
4 font weights loaded across 1 famil(y/ies) -- reasonable
Info::
4 font weight(s) loaded across 1 famil(y/ies)
Image Optimization14 images, 358 KB total, 236 KB wastedINFO
Image Optimization
14 images, 358 KB total, 236 KB wasted
Image Optimization Audit
Total Images
14
Total Size
358 KB
Oversized
10
Wasted
236 KB
4 missing dimensions 3 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.