Skip to content
https://thepornbin.com

Sustainability

· 8 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
85
GRADE
B
FIX
0
REVIEW
2
PASS
5
INFO
1
Device:
Mobile Desktop
Checks
8
5 PASS 2 REVIEW
B
Transfer Efficiency
81% efficient
REVIEW
81% efficient
Info::
Transfer efficiency: 81%
An estimated 313 KB (19%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 313 KB of unused JavaScript. This wasted data produces 0.07g of unnecessary CO2 per page view.
81% efficient

Total waste: 313 KB (19% of page weight)

Unused JS 313 KB

0.07g unnecessary CO2 per visit

Actual transfer 1673 KB
Theoretical minimum 1360 KB
Potential savings 313 KB (0.07g CO2)

See Deep Analysis sections above for specific optimizations.

B
Web Font Weight Variants
7 font weights loaded across 1 famil(y/ies)
REVIEW
7 font weights loaded across 1 famil(y/ies)
Info::
7 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: Inter.
A
CO2 Per Page Load
0.39g CO2 per view
PASS
0.39g CO2 per view
Info::
0.39g CO2 per page view
This page transfers 1.6 MB, producing an estimated 0.39g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.01g, network 0.08g, end-user device 0.30g.
Got: 0.39g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 46.4 kg CO2/year
With 10,000 page views per month, this page would generate approximately 46.4 kg of CO2 annually — equivalent to charging 5803 smartphones.
Info::
Green hosting reduces data center emissions

0.39g

Carbon Footprint per page view

✓ Below sustainability target (0.50g)

Cleaner than 72% of websites

Sustainable Web Design model v4 · Page size: 1.6 MB

Your site
0.39g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.01g
Network
0.08g
End-user device
0.30g
At 10,000 monthly views: Monthly: 3.9 kg · Annual: 46.4 kg · ≈ 5803 smartphone charges
A+
Green Hosting
Green (both)
PASS
Green (both)
Info::
Both hosting and CDN use renewable energy
Got: Hosting: Cloudflare, CDN: Cloudflare
Info::
Cloudflare: 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 Cloudflare✓CDN Cloudflare✓

Cloudflare: 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
97% cached
PASS
97% cached
Info::
97% reduction on repeat visits
Returning visitors download only 50 KB (vs 1673 KB first visit). 253 of 254 resources are served from browser cache, saving 0.38g CO2 per repeat visit.
Info::
Repeat visit: 0.01g CO2 (first visit: 0.39g)
First visit
1673 KB
Repeat visit
50 KB

97% reduction on repeat visits

Saving 0.38g CO2 per returning visitor

253 resources served from cache · 1 resources re-downloaded

A
Carbon Budget
28th percentile
PASS
28th percentile
Info::
0.39g CO2 — below the sustainability target of 0.50g
Cleaner than an estimated 72% of websites analyzed. This page meets the Web Sustainability Guidelines target.
Info::
Estimated 28th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

0.39g

28th percentile

Cleaner than 72% of websites

✓ Below the Web Sustainability Guidelines target

vs Median 36% cleaner ✓
vs Target 23% cleaner ✓
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

Image Optimization
200 images, 82 KB total, 70 KB wasted
INFO

Image Optimization Audit

Total Images

200

Total Size

82 KB

Oversized

3

Wasted

70 KB

192 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