B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
35%
35% -- title content retention rate for Original SEO title tags rewritten by Google (Q1 2025)
Google retains on average only 35% of the original title content when modifying/rewriting SEO titles.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
35%
Unit
Percentage
Data Vintage
Q1 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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
John McAlpin
Primary
Tier C
https://atom-business.fr/articles/10-title-seo ↗
Source Article
Le title en SEO : pourquoi il reste vital en 2025
Original Research
John McAlpin
· Original study ↗
Methodology
Share of the original title content kept by Google after rewriting; attributed to the 2025 John McAlpin research.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Original SEO title tags rewritten by Google: 35% title content retention rate. Source: John McAlpin (Q1 2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-retains-35-percent-of-original-title
HTML Embed
<blockquote cite="https://lighthousedata.io/data/google-retains-35-percent-of-original-title" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>35%</strong> -- title content retention rate for Original SEO title tags rewritten by Google<br><small>Source: John McAlpin (Q1 2025) · <a href="https://lighthousedata.io/data/google-retains-35-percent-of-original-title" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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