Skip to content
https://temu.com

Sustainability

· 6 checks — CO2 emissions, green hosting, repeat-visit weight, carbon budget, and transfer efficiency rolled into one auditable list.
SCORE
77
GRADE
C
FIX
0
REVIEW
4
PASS
2
INFO
0
Device:
Mobile Desktop
Checks
6
2 PASS 4 REVIEW
B
CO2 Per Page Load
0.52g CO2 per view
REVIEW
0.52g CO2 per view
Info::
0.52g CO2 per page view
This page transfers 2.2 MB, producing an estimated 0.52g of CO2 per visit using the Sustainable Web Design model (v4). Breakdown: data center 0.01g, network 0.11g, end-user device 0.40g.
Got: 0.52g CO2 Expected: < 0.50g (sustainability target)
Info::
At 10,000 monthly views: 63.0 kg CO2/year
With 10,000 page views per month, this page would generate approximately 63.0 kg of CO2 annually — equivalent to charging 7869 smartphones.
Info::
Green hosting reduces data center emissions

0.52g

Carbon Footprint per page view

✗ Above sustainability target (0.50g)

Cleaner than 58% of websites

Sustainable Web Design model v4 · Page size: 2.2 MB

Your site
0.52g
Top 10%
0.20g
Target
0.50g
Median website
0.60g

Energy Breakdown

Data center
0.01g
Network
0.11g
End-user device
0.40g
At 10,000 monthly views: Monthly: 5.2 kg · Annual: 63.0 kg · ≈ 7869 smartphone charges
B
Carbon Budget
42th percentile
REVIEW
42th percentile
Info::
0.52g CO2 — below the median website (0.60g)
Better than an estimated 58% of websites, but above the sustainability target of 0.50g. Reducing page weight would help reach the target.
Info::
Estimated 42th percentile
Compared to: top 10% = 0.20g, target = 0.50g, median = 0.60g per page view.
Top 10%
Target
Median website

0.52g

42nd percentile

Cleaner than 58% of websites

✗ Above the median website

vs Median 13% cleaner ✓
vs Target 5% more
B
Transfer Efficiency
88% efficient
REVIEW
88% efficient
Info::
Transfer efficiency: 88%
An estimated 276 KB (12%) could be eliminated: 0 KB via better compression, 0 KB via modern image formats, 276 KB of unused JavaScript. This wasted data produces 0.06g of unnecessary CO2 per page view.
88% efficient

Total waste: 276 KB (12% of page weight)

Unused JS 276 KB

0.06g unnecessary CO2 per visit

Actual transfer 2269 KB
Theoretical minimum 1992 KB
Potential savings 276 KB (0.06g CO2)

See Deep Analysis sections above for specific optimizations.

C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A
Green Hosting
Green (cdn)
PASS
Green (cdn)
Info::
Fastly CDN uses renewable energy
Since most traffic is served through the CDN, the majority of data transfer energy is renewable.
Info::
Fastly: 100% renewable energy for edge network
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 Fastly✓

Fastly: 100% renewable energy for edge network

Based on known provider commitments. Verify at thegreenwebfoundation.org

A+
Repeat Visit Weight
94% cached
PASS
94% cached
Info::
94% reduction on repeat visits
Returning visitors download only 143 KB (vs 2269 KB first visit). 162 of 164 resources are served from browser cache, saving 0.49g CO2 per repeat visit.
Info::
Repeat visit: 0.03g CO2 (first visit: 0.52g)
First visit
2269 KB
Repeat visit
143 KB

94% reduction on repeat visits

Saving 0.49g CO2 per returning visitor

162 resources served from cache · 2 resources re-downloaded

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

Send Feedback