https://thrillist.com
Sustainability
· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
80
GRADE
B
FIX
2
REVIEW
1
PASS
3
INFO
0
Checks
63 PASS 1 REVIEW 2 FIX
DCO2 Per Page LoadAction0.90g CO2 per viewFIX
CO2 Per Page Load
Action0.90g CO2 per view
0.90g CO2 per view
Info::
0.90g CO2 per page view
This page transfers 3.8 MB, producing an estimated 0.90g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.02g, network 0.19g, end-user device 0.69g.
Got: 0.90g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 107.6 kg CO2/year
With 10,000 page views per month, this page would generate approximately 107.6 kg of CO2 annually — equivalent to charging 13444 smartphones.
Info::
Green hosting reduces data center emissions
0.90g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 42% of websites
Sustainable Web Design model v4 · Page size: 3.8 MB
Your site
0.90g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.02g
Network
0.19g
End-user device
0.69g
At 10,000 monthly views: Monthly: 9.0 kg · Annual: 107.6 kg · ≈ 13444 smartphone charges
DCarbon BudgetAction58th percentileFIX
Carbon Budget
Action58th percentile
58th percentile
Warning::
0.90g CO2 — above the median website (0.60g)
Heavier than an estimated 42% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 58th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.90g
58th percentile
Cleaner than 42% of websites
✗ Above the median website
vs Median 49% more
vs Target 79% more
BTransfer Efficiency86% efficientREVIEW
Transfer Efficiency
86% efficient
86% efficient
Info::
Transfer efficiency: 86%
An estimated 549 KB (14%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 549 KB of unused JavaScript. This wasted data produces 0.13g of unnecessary CO2 per page view.
Total waste: 549 KB (14% of page weight)
Unused JS 549 KB
0.13g unnecessary CO2 per visit
Actual transfer 3877 KB
Theoretical minimum 3328 KB
Potential savings 549 KB (0.13g 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: Next.js, CDN: Fastly
Info::
Next.js: Verified by the Green Web Foundation
Info::
Fastly: 100% renewable energy for edge network
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 Next.js✓CDN Fastly✓
Next.js: Verified by the Green Web Foundation
Fastly: 100% renewable energy for edge network
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 65 KB (vs 3877 KB first visit). 127 of 130 resources are served from browser cache, saving 0.88g CO2 per repeat visit.
Info::
Repeat visit: 0.02g CO2 (first visit: 0.90g)
First visit
3877 KB
Repeat visit
65 KB
98% reduction on repeat visits
Saving 0.88g CO2 per returning visitor
127 resources served from cache · 3 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: Axis12 Ltd
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.