https://bhg.com
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
76
GRADE
C
FIX
2
REVIEW
1
PASS
3
INFO
0
Checks
63 PASS 1 REVIEW 2 FIX
FCO2 Per Page LoadAction1.71g CO2 per viewFIX
CO2 Per Page Load
Action1.71g CO2 per view
1.71g CO2 per view
Warning::
1.71g CO2 per page view
This page transfers 7.2 MB, producing an estimated 1.71g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.04g, network 0.35g, end-user device 1.31g.
Got: 1.71g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 204.8 kg CO2/year
With 10,000 page views per month, this page would generate approximately 204.8 kg of CO2 annually — equivalent to charging 25599 smartphones.
Info::
Green hosting reduces data center emissions
1.71g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 19% of websites
Sustainable Web Design model v4 · Page size: 7.2 MB
Your site
1.71g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.04g
Network
0.35g
End-user device
1.31g
At 10,000 monthly views: Monthly: 17.1 kg · Annual: 204.8 kg · ≈ 25599 smartphone charges
FCarbon BudgetAction81th percentileFIX
Carbon Budget
Action81th percentile
81th percentile
Warning::
1.71g CO2 — above the median website (0.60g)
Heavier than an estimated 19% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 81th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
1.71g
81st percentile
Cleaner than 19% of websites
✗ Above the median website
vs Median 184% more
vs Target 241% more
BTransfer Efficiency87% efficientREVIEW
Transfer Efficiency
87% efficient
87% efficient
Info::
Transfer efficiency: 87%
An estimated 967 KB (13%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 967 KB of unused JavaScript. This wasted data produces 0.22g of unnecessary CO2 per page view.
Total waste: 967 KB (13% of page weight)
Unused JS 967 KB
0.22g unnecessary CO2 per visit
Actual transfer 7383 KB
Theoretical minimum 6415 KB
Potential savings 967 KB (0.22g 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: Google Cloud, CDN: Cloudflare
Info::
Google Cloud: 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 Google Cloud✓CDN Cloudflare✓
Google Cloud: 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 142 KB (vs 7383 KB first visit). 312 of 320 resources are served from browser cache, saving 1.67g CO2 per repeat visit.
Info::
Repeat visit: 0.03g CO2 (first visit: 1.71g)
First visit
7383 KB
Repeat visit
142 KB
98% reduction on repeat visits
Saving 1.67g CO2 per returning visitor
312 resources served from cache · 8 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.