B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
1%
1% -- online sales share for US eyewear market (2009-2010)
In 2009 and 2010, less than 1% of glasses were sold online.
- Source states 'less than 1 per cent'
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
1%
Unit
Percentage
Data Vintage
2009-2010
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.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Warby Parker founders
Primary
Tier C
https://www.anderssorman-nilsson.com/blog/warby-parkers-secrets-to-seamless-success ↗
Source Article
Warby Parker's Secrets To Seamless Success
Original Research
Warby Parker founders
· Original study ↗
Methodology
Founder research into eyewear industry prior to Warby Parker launch; cited as less than 1%
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
US eyewear market: 1% online sales share. Source: Warby Parker founders (2009-2010). Via Lighthouse Intelligence -- https://lighthousedata.io/data/eyewear-online-sales-share-2010
HTML Embed
<blockquote cite="https://lighthousedata.io/data/eyewear-online-sales-share-2010" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>1%</strong> -- online sales share for US eyewear market<br><small>Source: Warby Parker founders (2009-2010) · <a href="https://lighthousedata.io/data/eyewear-online-sales-share-2010" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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