Skip to content
https://stry-kon.com

Sustainability

· 8 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
3
INFO
1
Checks
8
3 PASS 2 REVIEW 2 FIX
F
CO2 Per Page Load
Action
1.86g CO2 per view
FIX
1.86g CO2 per view
Warning::
1.86g CO2 per page view
This page transfers 7.9 MB, producing an estimated 1.86g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.05g, network 0.39g, end-user device 1.43g.
Got: 1.86g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 223.8 kg CO2/year
With 10,000 page views per month, this page would generate approximately 223.8 kg of CO2 annually — equivalent to charging 27973 smartphones.
Info::
Green hosting reduces data center emissions

1.86g

Carbon Footprint per page view

Above sustainability target (0.50g)

Cleaner than 14% of websites

Sustainable Web Design model v4 · Page size: 7.9 MB

Your site
1.86g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.05g
Network
0.39g
End-user device
1.43g
At 10,000 monthly views: Monthly: 18.6 kg · Annual: 223.8 kg · ≈ 27973 smartphone charges
F
Carbon Budget
Action
86th percentile
FIX
86th percentile
Warning::
1.86g CO2 — above the median website (0.60g)
Heavier than an estimated 14% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 86th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

1.86g

86th percentile

Cleaner than 14% of websites

Above the median website

vs Median 211% more
vs Target 273% more
B
Green Hosting
Green (hosting)
REVIEW
Green (hosting)
Info::
Hostinger uses renewable energy
Info::
Hostinger: 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 HostingerCDN Not identified

Hostinger: Verified by the Green Web Foundation

Based on known provider commitments. Verify at thegreenwebfoundation.org

C
Web Font Weight Variants
Action
9 font weights loaded across 3 famil(y/ies)
REVIEW
9 font weights loaded across 3 famil(y/ies)
Warning::
9 font weights loaded -- likely 100+ KB of unused payload
Loading 9 font weights typically transfers 200-400 KB just for fonts. Most pages legitimately use 2-3 weights (regular + bold, maybe medium). Audit which weights your stylesheet actually applies and trim the Google Fonts URL accordingly. Affected families: Inter, Material Symbols Outlined, Montserrat.
A+
Repeat Visit Weight
100% cached
PASS
100% cached
Info::
100% reduction on repeat visits
Returning visitors download only 13 KB (vs 8068 KB first visit). 18 of 19 resources are served from browser cache, saving 1.86g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 1.86g)
First visit
8068 KB
Repeat visit
13 KB

100% reduction on repeat visits

Saving 1.86g CO2 per returning visitor

18 resources served from cache · 1 resources re-downloaded

A+
Transfer Efficiency
100% efficient
PASS
100% efficient
Info::
Transfer efficiency: 100%
Only 0 KB of potential savings identified. Your page is well-optimized for size.
100% efficient
Actual transfer 8068 KB
Theoretical minimum 8068 KB

See Deep Analysis sections above for specific optimizations.

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

Green Hosting

This site is hosted on green energy infrastructure

Provider: Hostinger

Image Optimization
8 images, 6764 KB total, 4364 KB wasted
INFO

Image Optimization Audit

Total Images

8

Total Size

6764 KB

Oversized

6

Wasted

4364 KB

8 missing dimensions 6 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

Send Feedback