B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
5%
5% -- conversion rate lift for Tarte (eCommerce brand) using Yottaa web performance optimization (2025)
Tarte achieved a 5% lift in conversions with Yottaa.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
5%
Unit
Percentage
Data Vintage
2025
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Sources (2)
Yottaa
Primary
Tier B
https://www.yottaa.com/2025-etail-west/ ↗
Source Article
eTail West 2025 | Yottaa
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Products & Services
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Solutions
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CapabilitiesWeb Performance CloudOptimize
Streamline third-party loading
Dynamically cache content in the browser
Make your site user-specific
MonitorMonitor your users in real-time
Track your Core Web Vitals metrics
Compare site performance with peers
Know what t…
Also cited by
2026-09-21
Original Research
Yottaa
· Original study ↗
Methodology
Self-reported vendor case-study figure cited on Yottaa's eTail West 2025 event page; no study date specified, so collection year used
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Tarte (eCommerce brand) using Yottaa web performance optimization: 5% conversion rate lift. Source: Yottaa (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/tarte-yottaa-5pct-conversion-lift
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<blockquote cite="https://lighthousedata.io/data/tarte-yottaa-5pct-conversion-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>5%</strong> -- conversion rate lift for Tarte (eCommerce brand) using Yottaa web performance optimization<br><small>Source: Yottaa (2025) · <a href="https://lighthousedata.io/data/tarte-yottaa-5pct-conversion-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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