B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
46.7%
46.7% -- share of top cited sources for Reddit on Perplexity (2026)
Reddit accounts for 46.7% of Perplexity's most-cited sources based on Profound's analysis of 680 million citations.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
46.7%
Unit
Percentage
Data Vintage
2026
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Profound
Primary
Tier B
https://www.shadow.inc/resources/how-to-optimize-content-for-perplexity-and-chatgpt ↗
Source Article
How to Optimize Content for Perplexity and ChatGPT Search (2026 Guide)
Last updated: June 6, 2026 · By Jessen Gibbs, CEO, Shadow
TL;DR
Optimizing content for Perplexity and ChatGPT requires platform-specific strategies because they use different retrieval backends, freshness signals, and citation behaviors. Perplexity uses a proprietary index and weights freshness 3.3x…
Original Research
Profound
· Original study ↗
Methodology
Profound analysis of 680 million citations
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Reddit on Perplexity: 46.7% share of top cited sources. Source: Profound (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/reddit-share-perplexity-citations
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<blockquote cite="https://lighthousedata.io/data/reddit-share-perplexity-citations" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>46.7%</strong> -- share of top cited sources for Reddit on Perplexity<br><small>Source: Profound (2026) · <a href="https://lighthousedata.io/data/reddit-share-perplexity-citations" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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