Skip to content
https://media.net

Sustainability

· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
56
GRADE
D
FIX
3
REVIEW
1
PASS
2
INFO
0
Checks
6
2 PASS 1 REVIEW 3 FIX
F
CO2 Per Page Load
Action
11.61g CO2 per view
FIX
11.61g CO2 per view
Critical::
11.61g CO2 per page view
This page transfers 41.0 MB, producing an estimated 11.61g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 2.15g, network 2.01g, end-user device 7.45g.
Got: 11.61g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 1393.2 kg CO2/year
With 10,000 page views per month, this page would generate approximately 1393.2 kg of CO2 annually — equivalent to charging 174147 smartphones.

11.61g

Carbon Footprint per page view

Above sustainability target (0.50g)

Cleaner than 5% of websites

Sustainable Web Design model v4 · Page size: 41.0 MB

Your site
11.61g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
2.15g
Network
2.01g
End-user device
7.45g
At 10,000 monthly views: Monthly: 116.1 kg · Annual: 1393.2 kg · ≈ 174147 smartphone charges
D
Green Hosting
Action
Unknown
FIX
Unknown
Info::
Hosting provider could not be identified
Without knowing the provider, we cannot determine their energy sourcing. Check with your hosting provider about their renewable energy commitments.
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 HostingUnable to Determine
Hosting Not identifiedCDN Not identified

Based on known provider commitments. Verify at thegreenwebfoundation.org

F
Carbon Budget
Action
95th percentile
FIX
95th percentile
Warning::
11.61g 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

11.61g

95th percentile

Cleaner than 5% of websites

Above the median website

vs Median 1835% more
vs Target 2222% more
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Repeat Visit Weight
100% cached
PASS
100% cached
Info::
100% reduction on repeat visits
Returning visitors download only 33 KB (vs 41979 KB first visit). 81 of 82 resources are served from browser cache, saving 11.60g CO2 per repeat visit.
Info::
Repeat visit: 0.01g CO2 (first visit: 11.61g)
First visit
41979 KB
Repeat visit
33 KB

100% reduction on repeat visits

Saving 11.60g CO2 per returning visitor

81 resources served from cache · 1 resources re-downloaded

A+
Transfer Efficiency
99% efficient
PASS
99% efficient
Info::
Transfer efficiency: 99%
Only 262 KB of potential savings identified. Your page is well-optimized for size.
99% efficient

Total waste: 262 KB (1% of page weight)

Unused JS 262 KB

0.07g unnecessary CO2 per visit

Actual transfer 41979 KB
Theoretical minimum 41716 KB
Potential savings 262 KB (0.07g CO2)

See Deep Analysis sections above for specific optimizations.

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

Send Feedback