https://ariesdesignstore.com
Sustainability
· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.SCORE
90
GRADE
A
FIX
0
REVIEW
2
PASS
5
INFO
1
Checks
85 PASS 2 REVIEW
BWeb Font Weight VariantsNo detectable Google Fonts weightsREVIEW
Web Font Weight Variants
No detectable Google Fonts weights
No detectable Google Fonts weights
Info::
No detectable Google Fonts weights
The analyzer detects font weights via Google Fonts URL parameters (~70% of font-using sites). Self-hosted fonts and non-Google CDN fonts aren't visible to URL-based detection. If you self-host fonts, manually audit how many @font-face weights you ship -- 2-3 weights per family is typically enough; 5+ is usually unused payload.
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 Load0.35g CO2 per viewPASS
CO2 Per Page Load
0.35g CO2 per view
0.35g CO2 per view
Info::
0.35g CO2 per page view
This page transfers 1.5 MB, producing an estimated 0.35g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.01g, network 0.07g, end-user device 0.27g.
Got: 0.35g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 41.8 kg CO2/year
With 10,000 page views per month, this page would generate approximately 41.8 kg of CO2 annually — equivalent to charging 5224 smartphones.
Info::
Green hosting reduces data center emissions
0.35g
Carbon Footprint per page view
✓ Below sustainability target (0.50g)
Cleaner than 76% of websites
Sustainable Web Design model v4 · Page size: 1.5 MB
Your site
0.35g
Top 10%
0.20g
Target
0.50g
Median website
0.60g
Energy Breakdown
Data center
0.01g
Network
0.07g
End-user device
0.27g
At 10,000 monthly views: Monthly: 3.5 kg · Annual: 41.8 kg · ≈ 5224 smartphone charges
AGreen HostingGreen (cdn)PASS
Green Hosting
Green (cdn)
Green (cdn)
Info::
Cloudflare CDN uses renewable energy
Since most traffic is served through the CDN, the majority of data transfer energy is renewable.
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 Not identified✗CDN Cloudflare✓
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 42 KB (vs 1506 KB first visit). 184 of 186 resources are served from browser cache, saving 0.34g CO2 per repeat visit.
Info::
Repeat visit: 0.01g CO2 (first visit: 0.35g)
First visit
1506 KB
Repeat visit
42 KB
97% reduction on repeat visits
Saving 0.34g CO2 per returning visitor
184 resources served from cache · 2 resources re-downloaded
ACarbon Budget24th percentilePASS
Carbon Budget
24th percentile
24th percentile
Info::
0.35g CO2 — below the sustainability target of 0.50g
Cleaner than an estimated 76% of websites analyzed. This page meets the Web Sustainability Guidelines target.
Info::
Estimated 24th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website
0.35g
24th percentile
Cleaner than 76% of websites
✓ Below the Web Sustainability Guidelines target
vs Median 42% cleaner ✓
vs Target 30% cleaner ✓
A+Transfer Efficiency95% efficientPASS
Transfer Efficiency
95% efficient
95% efficient
Info::
Transfer efficiency: 95%
Only 78 KB of potential savings identified. Your page is well-optimized for size.
Total waste: 78 KB (5% of page weight)
Unused JS 78 KB
0.02g unnecessary CO2 per visit
Actual transfer 1506 KB
Theoretical minimum 1427 KB
Potential savings 78 KB (0.02g CO2)
See Deep Analysis sections above for specific optimizations.
Image Optimization28 images, 172 KB total, 0 KB wastedINFO
Image Optimization
28 images, 172 KB total, 0 KB wasted
Image Optimization Audit
Total Images
28
Total Size
172 KB
4 missing alt text 3 missing dimensions
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.