https://eaglepatches.uk
Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
69
GRADE
D
FIX
2
REVIEW
2
PASS
3
INFO
1
Checks
83 PASS 2 REVIEW 2 FIX
FCO2 Per Page LoadAction1.65g CO2 per viewFIX
CO2 Per Page Load
Action1.65g CO2 per view
1.65g CO2 per view
Warning::
1.65g CO2 per page view
This page transfers 7.0 MB, producing an estimated 1.65g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.04g, network 0.34g, end-user device 1.27g.
Got: 1.65g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 198.4 kg CO2/year
With 10,000 page views per month, this page would generate approximately 198.4 kg of CO2 annually — equivalent to charging 24794 smartphones.
Info::
Green hosting reduces data center emissions
1.65g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 20% of websites
Sustainable Web Design model v4 · Page size: 7.0 MB
Your site
1.65g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.04g
Network
0.34g
End-user device
1.27g
At 10,000 monthly views: Monthly: 16.5 kg · Annual: 198.4 kg · ≈ 24794 smartphone charges
FCarbon BudgetAction80th percentileFIX
Carbon Budget
Action80th percentile
80th percentile
Warning::
1.65g CO2 — above the median website (0.60g)
Heavier than an estimated 20% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 80th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
1.65g
80th percentile
Cleaner than 20% of websites
✗ Above the median website
vs Median 175% more
vs Target 231% more
CWeb Font Weight VariantsAction27 font weights loaded across 2 famil(y/ies)REVIEW
Web Font Weight Variants
Action27 font weights loaded across 2 famil(y/ies)
27 font weights loaded across 2 famil(y/ies)
Warning::
27 font weights loaded -- likely 100+ KB of unused payload
Loading 27 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, Jost.
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::
Cloudflare CDN uses renewable energy
Since most traffic is served through the CDN, the majority of data transfer energy is renewable.
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 Not identified✗CDN Cloudflare✓
Cloudflare: 100% renewable energy for global network since 2019
Based on known provider commitments. Verify at thegreenwebfoundation.org
A+Repeat Visit Weight99% cachedPASS
Repeat Visit Weight
99% cached
99% cached
Info::
99% reduction on repeat visits
Returning visitors download only 55 KB (vs 7151 KB first visit). 256 of 257 resources are served from browser cache, saving 1.64g CO2 per repeat visit.
Info::
Repeat visit: 0.01g CO2 (first visit: 1.65g)
First visit
7151 KB
Repeat visit
55 KB
99% reduction on repeat visits
Saving 1.64g CO2 per returning visitor
256 resources served from cache · 1 resources re-downloaded
A+Transfer Efficiency92% efficientPASS
Transfer Efficiency
92% efficient
92% efficient
Info::
Transfer efficiency: 92%
Only 595 KB of potential savings identified. Your page is well-optimized for size.
Total waste: 595 KB (8% of page weight)
Unused JS 595 KB
0.14g unnecessary CO2 per visit
Actual transfer 7151 KB
Theoretical minimum 6555 KB
Potential savings 595 KB (0.14g CO2)
See Deep Analysis sections above for specific optimizations.
Image Optimization188 images, 3681 KB total, 2100 KB wastedINFO
Image Optimization
188 images, 3681 KB total, 2100 KB wasted
Image Optimization Audit
Total Images
188
Total Size
3681 KB
Oversized
38
Wasted
2100 KB
100 missing dimensions 18 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.