B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
50%
50% -- citation performance decay for content without maintenance (2025)
Content without maintenance loses 50% of its citation performance within 12-18 months.
- Occurs within 12-18 months
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
50%
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.
Single source - not yet corroborated
Score breakdown
Extraction
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Semrush
Primary
Tier A
https://rankenstein.pro/blog/prompt-based-vs-crawl-based-ai-for-seo ↗
Source Article
Prompt-Based vs Crawl-Based AI for SEO: What the Data Shows
Prompt-Based vs Crawl-Based AI for SEO: What the Data Shows
RAG cuts AI hallucinations from 40% to under 6% (JMIR Cancer, 2025). What Cloudflare and Chroma research shows about prompt-based vs crawl-based AI for SEO.
TL;DR: RAG reduces AI hallucination rates from 40% to under 6% (JMIR Cancer, 2025).…
Original Research
Semrush
· Original study ↗
Methodology
Semrush research
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
content without maintenance: 50% citation performance decay. Source: Semrush (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/content-citation-decay-2025
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<blockquote cite="https://lighthousedata.io/data/content-citation-decay-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>50%</strong> -- citation performance decay for content without maintenance<br><small>Source: Semrush (2025) · <a href="https://lighthousedata.io/data/content-citation-decay-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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