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https://philstar.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
Device:
Mobile Desktop
Checks
6
3 PASS 1 REVIEW 2 FIX
F
CO2 Per Page Load
Action
1.63g CO2 per view
FIX
1.63g CO2 per view
Warning::
1.63g CO2 per page view
This page transfers 6.9 MB, producing an estimated 1.63g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.04g, network 0.34g, end-user device 1.25g.
Got: 1.63g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 195.1 kg CO2/year
With 10,000 page views per month, this page would generate approximately 195.1 kg of CO2 annually — equivalent to charging 24383 smartphones.
Info::
Green hosting reduces data center emissions

1.63g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 21% of websites

Sustainable Web Design model v4 · Page size: 6.9 MB

Your site
1.63g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.04g
Network
0.34g
End-user device
1.25g
At 10,000 monthly views: Monthly: 16.3 kg · Annual: 195.1 kg · ≈ 24383 smartphone charges
F
Carbon Budget
Action
79th percentile
FIX
79th percentile
Warning::
1.63g CO2 — above the median website (0.60g)
Heavier than an estimated 21% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 79th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

1.63g

79th percentile

Cleaner than 21% of websites

✗ Above the median website

vs Median 171% more
vs Target 225% more
B
Transfer Efficiency
79% efficient
REVIEW
79% efficient
Info::
Transfer efficiency: 79%
An estimated 1482 KB (21%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 1482 KB of unused JavaScript. This wasted data produces 0.34g of unnecessary CO2 per page view.
79% efficient

Total waste: 1482 KB (21% of page weight)

Unused JS 1482 KB

0.34g unnecessary CO2 per visit

Actual transfer 7032 KB
Theoretical minimum 5550 KB
Potential savings 1482 KB (0.34g 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: Snowplow Analytics, CDN: Cloudflare
Info::
Snowplow Analytics: 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 Snowplow Analytics✓CDN Cloudflare✓

Snowplow Analytics: 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
90% cached
PASS
90% cached
Info::
90% reduction on repeat visits
Returning visitors download only 687 KB (vs 7032 KB first visit). 2423 of 2862 resources are served from browser cache, saving 1.47g CO2 per repeat visit.
Info::
Repeat visit: 0.16g CO2 (first visit: 1.63g)
First visit
7032 KB
Repeat visit
687 KB

90% reduction on repeat visits

Saving 1.47g CO2 per returning visitor

2423 resources served from cache · 439 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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