https://terrebleu.ca
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
72
GRADE
C
FIX
2
REVIEW
0
PASS
4
INFO
0
Checks
64 PASS 2 FIX
FCO2 Per Page LoadAction1.52g CO2 per viewFIX
CO2 Per Page Load
Action1.52g CO2 per view
1.52g CO2 per view
Warning::
1.52g CO2 per page view
This page transfers 6.4 MB, producing an estimated 1.52g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.04g, network 0.31g, end-user device 1.16g.
Got: 1.52g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 181.9 kg CO2/year
With 10,000 page views per month, this page would generate approximately 181.9 kg of CO2 annually — equivalent to charging 22741 smartphones.
Info::
Green hosting reduces data center emissions
1.52g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 24% of websites
Sustainable Web Design model v4 · Page size: 6.4 MB
Your site
1.52g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.04g
Network
0.31g
End-user device
1.16g
At 10,000 monthly views: Monthly: 15.2 kg · Annual: 181.9 kg · ≈ 22741 smartphone charges
FCarbon BudgetAction76th percentileFIX
Carbon Budget
Action76th percentile
76th percentile
Warning::
1.52g CO2 — above the median website (0.60g)
Heavier than an estimated 24% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 76th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
1.52g
76th percentile
Cleaner than 24% of websites
✗ Above the median website
vs Median 153% more
vs Target 203% more
A+Green HostingGreen (both)PASS
Green Hosting
Green (both)
Green (both)
Info::
Both hosting and CDN use renewable energy
Got: Hosting: GoDaddy, CDN: Cloudflare
Info::
GoDaddy: 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 GoDaddy✓CDN Cloudflare✓
GoDaddy: 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 137 KB (vs 6559 KB first visit). 311 of 318 resources are served from browser cache, saving 1.48g CO2 per repeat visit.
Info::
Repeat visit: 0.03g CO2 (first visit: 1.52g)
First visit
6559 KB
Repeat visit
137 KB
98% reduction on repeat visits
Saving 1.48g CO2 per returning visitor
311 resources served from cache · 7 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 6559 KB
Theoretical minimum 6559 KB
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.