https://esteticdoctorpoa.com/index3.php
Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
81
GRADE
B
FIX
1
REVIEW
2
PASS
4
INFO
1
Checks
84 PASS 2 REVIEW 1 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
CWeb Font Weight VariantsAction10 font weights loaded across 3 famil(y/ies)REVIEW
Web Font Weight Variants
Action10 font weights loaded across 3 famil(y/ies)
10 font weights loaded across 3 famil(y/ies)
Warning::
10 font weights loaded -- likely 100+ KB of unused payload
Loading 10 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: Cormorant Garamond, Jost, Playfair Display.
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
ACO2 Per Page Load0.31g CO2 per viewPASS
CO2 Per Page Load
0.31g CO2 per view
0.31g CO2 per view
Info::
0.31g CO2 per page view
This page transfers 1.1 MB, producing an estimated 0.31g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.06g, network 0.05g, end-user device 0.20g.
Got: 0.31g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 37.5 kg CO2/year
With 10,000 page views per month, this page would generate approximately 37.5 kg of CO2 annually — equivalent to charging 4686 smartphones.
0.31g
Carbon Footprint per page view
✓ Below sustainability target (0.50g)
Cleaner than 79% of websites
Sustainable Web Design model v4 · Page size: 1.1 MB
Your site
0.31g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.06g
Network
0.05g
End-user device
0.20g
At 10,000 monthly views: Monthly: 3.1 kg · Annual: 37.5 kg · ≈ 4686 smartphone charges
A+Repeat Visit Weight98% cachedPASS
Repeat Visit Weight
98% cached
98% cached
Info::
98% reduction on repeat visits
Returning visitors download only 27 KB (vs 1129 KB first visit). 20 of 21 resources are served from browser cache, saving 0.30g CO2 per repeat visit.
Info::
Repeat visit: 0.01g CO2 (first visit: 0.31g)
First visit
1129 KB
Repeat visit
27 KB
98% reduction on repeat visits
Saving 0.30g CO2 per returning visitor
20 resources served from cache · 1 resources re-downloaded
ACarbon Budget21th percentilePASS
Carbon Budget
21th percentile
21th percentile
Info::
0.31g CO2 — below the sustainability target of 0.50g
Cleaner than an estimated 79% of websites analyzed. This page meets the Web Sustainability Guidelines target.
Info::
Estimated 21th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.31g
21st percentile
Cleaner than 79% of websites
✓ Below the Web Sustainability Guidelines target
vs Median 48% cleaner ✓
vs Target 38% cleaner ✓
A+Transfer Efficiency94% efficientPASS
Transfer Efficiency
94% efficient
94% efficient
Info::
Transfer efficiency: 94%
Only 71 KB of potential savings identified. Your page is well-optimized for size.
Total waste: 71 KB (6% of page weight)
Unused JS 71 KB
0.02g unnecessary CO2 per visit
Actual transfer 1129 KB
Theoretical minimum 1058 KB
Potential savings 71 KB (0.02g CO2)
See Deep Analysis sections above for specific optimizations.
Image Optimization11 images, 723 KB total, 538 KB wastedINFO
Image Optimization
11 images, 723 KB total, 538 KB wasted
Image Optimization Audit
Total Images
11
Total Size
723 KB
Oversized
7
Wasted
538 KB
11 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.