https://sportingnews.com
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
84
GRADE
B
FIX
1
REVIEW
2
PASS
3
INFO
0
Checks
63 PASS 2 REVIEW 1 FIX
DCarbon BudgetAction54th percentileFIX
Carbon Budget
Action54th percentile
54th percentile
Warning::
0.75g CO2 — above the median website (0.60g)
Heavier than an estimated 46% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 54th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.75g
54th percentile
Cleaner than 46% of websites
✗ Above the median website
vs Median 25% more
vs Target 50% more
BCO2 Per Page Load0.75g CO2 per viewREVIEW
CO2 Per Page Load
0.75g CO2 per view
0.75g CO2 per view
Info::
0.75g CO2 per page view
This page transfers 3.2 MB, producing an estimated 0.75g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.02g, network 0.16g, end-user device 0.58g.
Got: 0.75g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 90.0 kg CO2/year
With 10,000 page views per month, this page would generate approximately 90.0 kg of CO2 annually — equivalent to charging 11255 smartphones.
Info::
Green hosting reduces data center emissions
0.75g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 46% of websites
Sustainable Web Design model v4 · Page size: 3.2 MB
Your site
0.75g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.02g
Network
0.16g
End-user device
0.58g
At 10,000 monthly views: Monthly: 7.5 kg · Annual: 90.0 kg · ≈ 11255 smartphone charges
BTransfer Efficiency85% efficientREVIEW
Transfer Efficiency
85% efficient
85% efficient
Info::
Transfer efficiency: 85%
An estimated 472 KB (15%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 472 KB of unused JavaScript. This wasted data produces 0.11g of unnecessary CO2 per page view.
Total waste: 472 KB (15% of page weight)
Unused JS 472 KB
0.11g unnecessary CO2 per visit
Actual transfer 3246 KB
Theoretical minimum 2774 KB
Potential savings 472 KB (0.11g CO2)
See Deep Analysis sections above for specific optimizations.
A+Green HostingGreen (both)PASS
Green Hosting
Green (both)
Green (both)
Info::
Both hosting and CDN use renewable energy
Got: Hosting: Cloudflare, CDN: Cloudflare
Info::
Cloudflare: Verified by the Green Web Foundation
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 Cloudflare✓CDN Cloudflare✓
Cloudflare: Verified by the Green Web Foundation
Cloudflare: 100% renewable energy for global network since 2019
Based on known provider commitments. Verify at thegreenwebfoundation.org
A+Repeat Visit Weight98% cachedPASS
Repeat Visit Weight
98% cached
98% cached
Info::
98% reduction on repeat visits
Returning visitors download only 53 KB (vs 3246 KB first visit). 301 of 302 resources are served from browser cache, saving 0.74g CO2 per repeat visit.
Info::
Repeat visit: 0.01g CO2 (first visit: 0.75g)
First visit
3246 KB
Repeat visit
53 KB
98% reduction on repeat visits
Saving 0.74g CO2 per returning visitor
301 resources served from cache · 1 resources re-downloaded
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
Whether the site is served from green-energy infrastructure
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.