https://informa.com
Sustainability
· 6 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
0
PASS
4
INFO
0
Checks
64 PASS 2 FIX
FCO2 Per Page LoadAction2.94g CO2 per viewFIX
CO2 Per Page Load
Action2.94g CO2 per view
2.94g CO2 per view
Critical::
2.94g CO2 per page view
This page transfers 12.4 MB, producing an estimated 2.94g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.07g, network 0.61g, end-user device 2.26g.
Got: 2.94g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 352.6 kg CO2/year
With 10,000 page views per month, this page would generate approximately 352.6 kg of CO2 annually — equivalent to charging 44077 smartphones.
Info::
Green hosting reduces data center emissions
2.94g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 5% of websites
Sustainable Web Design model v4 · Page size: 12.4 MB
Your site
2.94g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.07g
Network
0.61g
End-user device
2.26g
At 10,000 monthly views: Monthly: 29.4 kg · Annual: 352.6 kg · ≈ 44077 smartphone charges
FCarbon BudgetAction95th percentileFIX
Carbon Budget
Action95th percentile
95th percentile
Warning::
2.94g CO2 — above the median website (0.60g)
Heavier than an estimated 5% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 95th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
2.94g
95th percentile
Cleaner than 5% of websites
✗ Above the median website
vs Median 390% more
vs Target 488% more
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 Weight100% cachedPASS
Repeat Visit Weight
100% cached
100% cached
Info::
100% reduction on repeat visits
Returning visitors download only 14 KB (vs 12713 KB first visit). 66 of 69 resources are served from browser cache, saving 2.94g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 2.94g)
First visit
12713 KB
Repeat visit
14 KB
100% reduction on repeat visits
Saving 2.94g CO2 per returning visitor
66 resources served from cache · 3 resources re-downloaded
A+Transfer Efficiency98% efficientPASS
Transfer Efficiency
98% efficient
98% efficient
Info::
Transfer efficiency: 98%
Only 266 KB of potential savings identified. Your page is well-optimized for size.
Total waste: 266 KB (2% of page weight)
Unused JS 266 KB
0.06g unnecessary CO2 per visit
Actual transfer 12713 KB
Theoretical minimum 12447 KB
Potential savings 266 KB (0.06g CO2)
See Deep Analysis sections above for specific optimizations.
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.