https://Nurevealed.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
2
REVIEW
3
PASS
2
INFO
1
Checks
82 PASS 3 REVIEW 2 FIX
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 BudgetAction53th percentileFIX
Carbon Budget
Action53th percentile
53th percentile
Warning::
0.73g CO2 — above the median website (0.60g)
Heavier than an estimated 47% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 53th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.73g
53rd percentile
Cleaner than 47% of websites
✗ Above the median website
vs Median 22% more
vs Target 47% more
BCO2 Per Page Load0.73g CO2 per viewREVIEW
CO2 Per Page Load
0.73g CO2 per view
0.73g CO2 per view
Info::
0.73g CO2 per page view
This page transfers 2.6 MB, producing an estimated 0.73g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.14g, network 0.13g, end-user device 0.47g.
Got: 0.73g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 88.1 kg CO2/year
With 10,000 page views per month, this page would generate approximately 88.1 kg of CO2 annually — equivalent to charging 11008 smartphones.
0.73g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 47% of websites
Sustainable Web Design model v4 · Page size: 2.6 MB
Your site
0.73g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.14g
Network
0.13g
End-user device
0.47g
At 10,000 monthly views: Monthly: 7.3 kg · Annual: 88.1 kg · ≈ 11008 smartphone charges
CWeb Font Weight VariantsAction19 font weights loaded across 2 famil(y/ies)REVIEW
Web Font Weight Variants
Action19 font weights loaded across 2 famil(y/ies)
19 font weights loaded across 2 famil(y/ies)
Warning::
19 font weights loaded -- likely 100+ KB of unused payload
Loading 19 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: Courier Prime, Jost%3Awght%40400%3B500%3B600%3B700.
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 Weight100% cachedPASS
Repeat Visit Weight
100% cached
100% cached
Info::
100% reduction on repeat visits
Returning visitors download only 13 KB (vs 2653 KB first visit). 69 of 70 resources are served from browser cache, saving 0.73g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 0.73g)
First visit
2653 KB
Repeat visit
13 KB
100% reduction on repeat visits
Saving 0.73g CO2 per returning visitor
69 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 2653 KB
Theoretical minimum 2653 KB
See Deep Analysis sections above for specific optimizations.
Image Optimization17 images, 479 KB total, 17 KB wastedINFO
Image Optimization
17 images, 479 KB total, 17 KB wasted
Image Optimization Audit
Total Images
17
Total Size
479 KB
Oversized
1
Wasted
17 KB
9 missing alt text 8 missing dimensions 8 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.