https://www.shreeinfotechsystems.com
Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
80
GRADE
B
FIX
1
REVIEW
3
PASS
3
INFO
1
Checks
83 PASS 3 REVIEW 1 FIX
DGreen HostingActionUnknownFIX
Green Hosting
ActionUnknown
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 identified✗CDN Not identified✗
Based on known provider commitments. Verify at thegreenwebfoundation.org
BTransfer Efficiency86% efficientREVIEW
Transfer Efficiency
86% efficient
86% efficient
Info::
Transfer efficiency: 86%
An estimated 196 KB (14%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 196 KB of unused JavaScript. This wasted data produces 0.05g of unnecessary CO2 per page view.
Total waste: 196 KB (14% of page weight)
Unused JS 196 KB
0.05g unnecessary CO2 per visit
Actual transfer 1452 KB
Theoretical minimum 1256 KB
Potential savings 196 KB (0.05g CO2)
See Deep Analysis sections above for specific optimizations.
BWeb Font Weight Variants5 font weights loaded across 2 famil(y/ies)REVIEW
Web Font Weight Variants
5 font weights loaded across 2 famil(y/ies)
5 font weights loaded across 2 famil(y/ies)
Info::
5 font weights loaded -- review whether all are used
5+ weights for a single page is often more than needed. Compare against the actual font-weight CSS rules in your stylesheets; trim weights that aren't applied to any element. Affected families: Plus Jakarta Sans, Space Grotesk.
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
ActionWhether the site is served from green-energy infrastructure
Green Hosting
No green hosting detected
ACO2 Per Page Load0.40g CO2 per viewPASS
CO2 Per Page Load
0.40g CO2 per view
0.40g CO2 per view
Info::
0.40g CO2 per page view
This page transfers 1.4 MB, producing an estimated 0.40g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.07g, network 0.07g, end-user device 0.26g.
Got: 0.40g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 48.2 kg CO2/year
With 10,000 page views per month, this page would generate approximately 48.2 kg of CO2 annually — equivalent to charging 6027 smartphones.
0.40g
Carbon Footprint per page view
✓ Below sustainability target (0.50g)
Cleaner than 70% of websites
Sustainable Web Design model v4 · Page size: 1.4 MB
Your site
0.40g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.07g
Network
0.07g
End-user device
0.26g
At 10,000 monthly views: Monthly: 4.0 kg · Annual: 48.2 kg · ≈ 6027 smartphone charges
A+Repeat Visit Weight100% cachedPASS
Repeat Visit Weight
100% cached
100% cached
Info::
100% reduction on repeat visits
Returning visitors download only 3 KB (vs 1452 KB first visit). 51 of 52 resources are served from browser cache, saving 0.40g CO2 per repeat visit.
Info::
Repeat visit: 0.00g CO2 (first visit: 0.40g)
First visit
1452 KB
Repeat visit
3 KB
100% reduction on repeat visits
Saving 0.40g CO2 per returning visitor
51 resources served from cache · 1 resources re-downloaded
ACarbon Budget30th percentilePASS
Carbon Budget
30th percentile
30th percentile
Info::
0.40g CO2 — below the sustainability target of 0.50g
Cleaner than an estimated 70% of websites analyzed. This page meets the Web Sustainability Guidelines target.
Info::
Estimated 30th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.40g
30th percentile
Cleaner than 70% of websites
✓ Below the Web Sustainability Guidelines target
vs Median 33% cleaner ✓
vs Target 20% cleaner ✓
Image Optimization57 images, 338 KB total, 19 KB wastedINFO
Image Optimization
57 images, 338 KB total, 19 KB wasted
Image Optimization Audit
Total Images
57
Total Size
338 KB
Oversized
1
Wasted
19 KB
47 missing dimensions 14 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.