https://vishalperipherals.com
Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
75
GRADE
C
FIX
2
REVIEW
2
PASS
3
INFO
1
Checks
83 PASS 2 REVIEW 2 FIX
DCO2 Per Page LoadAction0.89g CO2 per viewFIX
CO2 Per Page Load
Action0.89g CO2 per view
0.89g CO2 per view
Info::
0.89g CO2 per page view
This page transfers 3.8 MB, producing an estimated 0.89g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.02g, network 0.18g, end-user device 0.69g.
Got: 0.89g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 107.1 kg CO2/year
With 10,000 page views per month, this page would generate approximately 107.1 kg of CO2 annually — equivalent to charging 13390 smartphones.
Info::
Green hosting reduces data center emissions
0.89g
Carbon Footprint per page view
✗ Above sustainability target (0.50g)
Cleaner than 42% of websites
Sustainable Web Design model v4 · Page size: 3.8 MB
Your site
0.89g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.02g
Network
0.18g
End-user device
0.69g
At 10,000 monthly views: Monthly: 8.9 kg · Annual: 107.1 kg · ≈ 13390 smartphone charges
DCarbon BudgetAction58th percentileFIX
Carbon Budget
Action58th percentile
58th percentile
Warning::
0.89g CO2 — above the median website (0.60g)
Heavier than an estimated 42% of websites. Reducing page weight, optimizing images, and removing unused JavaScript would lower the carbon footprint. See the Performance tab.
Info::
Estimated 58th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.89g
58th percentile
Cleaner than 42% of websites
✗ Above the median website
vs Median 49% more
vs Target 79% more
BTransfer Efficiency87% efficientREVIEW
Transfer Efficiency
87% efficient
87% efficient
Info::
Transfer efficiency: 87%
An estimated 497 KB (13%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 497 KB of unused JavaScript. This wasted data produces 0.12g of unnecessary CO2 per page view.
Total waste: 497 KB (13% of page weight)
Unused JS 497 KB
0.12g unnecessary CO2 per visit
Actual transfer 3862 KB
Theoretical minimum 3364 KB
Potential savings 497 KB (0.12g CO2)
See Deep Analysis sections above for specific optimizations.
CWeb Font Weight VariantsAction19 font weights loaded across 3 famil(y/ies)REVIEW
Web Font Weight Variants
Action19 font weights loaded across 3 famil(y/ies)
19 font weights loaded across 3 famil(y/ies)
Warning::
19 font weights loaded -- likely 100+ KB of unused payload
Loading 19 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: Bai Jamjuree, Overpass, Tomorrow.
A+Green HostingGreen (both)PASS
Green Hosting
Green (both)
Green (both)
Info::
Both hosting and CDN use renewable energy
Got: Hosting: GoDaddy, CDN: Cloudflare
Info::
GoDaddy: 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 GoDaddy✓CDN Cloudflare✓
GoDaddy: 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 Weight97% cachedPASS
Repeat Visit Weight
97% cached
97% cached
Info::
97% reduction on repeat visits
Returning visitors download only 124 KB (vs 3862 KB first visit). 287 of 290 resources are served from browser cache, saving 0.86g CO2 per repeat visit.
Info::
Repeat visit: 0.03g CO2 (first visit: 0.89g)
First visit
3862 KB
Repeat visit
124 KB
97% reduction on repeat visits
Saving 0.86g CO2 per returning visitor
287 resources served from cache · 3 resources re-downloaded
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
Whether the site is served from green-energy infrastructure
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
Image Optimization150 images, 3900 KB total, 162 KB wastedINFO
Image Optimization
150 images, 3900 KB total, 162 KB wasted
Image Optimization Audit
Total Images
150
Total Size
3900 KB
Oversized
12
Wasted
162 KB
3 missing alt text 30 missing dimensions 55 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.