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https://active.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
2
PASS
2
INFO
0
Device:
Mobile Desktop
Checks
6
2 PASS 2 REVIEW 2 FIX
F
CO2 Per Page Load
Action
1.79g CO2 per view
FIX
1.79g CO2 per view
Warning::
1.79g CO2 per page view
This page transfers 7.6 MB, producing an estimated 1.79g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.04g, network 0.37g, end-user device 1.37g.
Got: 1.79g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 214.5 kg CO2/year
With 10,000 page views per month, this page would generate approximately 214.5 kg of CO2 annually — equivalent to charging 26816 smartphones.
Info::
Green hosting reduces data center emissions

1.79g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 17% of websites

Sustainable Web Design model v4 · Page size: 7.6 MB

Your site
1.79g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.04g
Network
0.37g
End-user device
1.37g
At 10,000 monthly views: Monthly: 17.9 kg · Annual: 214.5 kg · ≈ 26816 smartphone charges
F
Carbon Budget
Action
83th percentile
FIX
83th percentile
Warning::
1.79g CO2 — above the median website (0.60g)
Heavier than an estimated 17% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 83th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

1.79g

83rd percentile

Cleaner than 17% of websites

✗ Above the median website

vs Median 198% more
vs Target 258% more
B
Green Hosting
Green (hosting)
REVIEW
Green (hosting)
Info::
Google Cloud uses renewable energy
Info::
Google Cloud: Verified by the Green Web Foundation
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 Not identified✗

Google Cloud: Verified by the Green Web Foundation

Based on known provider commitments. Verify at thegreenwebfoundation.org

B
Transfer Efficiency
84% efficient
REVIEW
84% efficient
Info::
Transfer efficiency: 84%
An estimated 1240 KB (16%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 1240 KB of unused JavaScript. This wasted data produces 0.29g of unnecessary CO2 per page view.
84% efficient

Total waste: 1240 KB (16% of page weight)

Unused JS 1240 KB

0.29g unnecessary CO2 per visit

Actual transfer 7734 KB
Theoretical minimum 6493 KB
Potential savings 1240 KB (0.29g CO2)

See Deep Analysis sections above for specific optimizations.

A+
Repeat Visit Weight
95% cached
PASS
95% cached
Info::
95% reduction on repeat visits
Returning visitors download only 388 KB (vs 7734 KB first visit). 456 of 490 resources are served from browser cache, saving 1.70g CO2 per repeat visit.
Info::
Repeat visit: 0.09g CO2 (first visit: 1.79g)
First visit
7734 KB
Repeat visit
388 KB

95% reduction on repeat visits

Saving 1.70g CO2 per returning visitor

456 resources served from cache · 34 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: Google Cloud

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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