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https://mediaroom.com

Sustainability

· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
68
GRADE
D
FIX
2
REVIEW
1
PASS
3
INFO
0
Checks
6
3 PASS 1 REVIEW 2 FIX
F
CO2 Per Page Load
Action
1.61g CO2 per view
FIX
1.61g CO2 per view
Warning::
1.61g CO2 per page view
This page transfers 6.8 MB, producing an estimated 1.61g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.04g, network 0.33g, end-user device 1.24g.
Got: 1.61g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 193.2 kg CO2/year
With 10,000 page views per month, this page would generate approximately 193.2 kg of CO2 annually — equivalent to charging 24155 smartphones.
Info::
Green hosting reduces data center emissions

1.61g

Carbon Footprint per page view

Above sustainability target (0.50g)

Cleaner than 22% of websites

Sustainable Web Design model v4 · Page size: 6.8 MB

Your site
1.61g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.04g
Network
0.33g
End-user device
1.24g
At 10,000 monthly views: Monthly: 16.1 kg · Annual: 193.2 kg · ≈ 24155 smartphone charges
F
Carbon Budget
Action
78th percentile
FIX
78th percentile
Warning::
1.61g CO2 — above the median website (0.60g)
Heavier than an estimated 22% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 78th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

1.61g

78th percentile

Cleaner than 22% of websites

Above the median website

vs Median 168% more
vs Target 222% more
B
Transfer Efficiency
80% efficient
REVIEW
80% efficient
Info::
Transfer efficiency: 80%
An estimated 1396 KB (20%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 1396 KB of unused JavaScript. This wasted data produces 0.32g of unnecessary CO2 per page view.
80% efficient

Total waste: 1396 KB (20% of page weight)

Unused JS 1396 KB

0.32g unnecessary CO2 per visit

Actual transfer 6966 KB
Theoretical minimum 5570 KB
Potential savings 1396 KB (0.32g CO2)

See Deep Analysis sections above for specific optimizations.

A+
Green Hosting
Green (both)
PASS
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 CloudCDN 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 Weight
98% cached
PASS
98% cached
Info::
98% reduction on repeat visits
Returning visitors download only 105 KB (vs 6966 KB first visit). 205 of 212 resources are served from browser cache, saving 1.59g CO2 per repeat visit.
Info::
Repeat visit: 0.02g CO2 (first visit: 1.61g)
First visit
6966 KB
Repeat visit
105 KB

98% reduction on repeat visits

Saving 1.59g CO2 per returning visitor

205 resources served from cache · 7 resources re-downloaded

A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

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.

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