B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
70%
70% -- ai overview content change rate for Google AI Overview content for the same query (2025)
Google AI Overview content changes roughly 70% of the time for the same query between runs.
- Reported as roughly 70%
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
70%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
35
Freshness
95
Source
BrightEdge
Primary
Tier C
https://fogtrail.ai/blog/post-publication-verification-aeo ↗
Source Article
Post-Publication Verification: The Missing Step in Every AEO Workflow
Post-publication verification means systematically rechecking AI search engines after content goes live to confirm citations actually improved, and it is the step that separates content production from actual optimization. The process requires comparing per-engine, per-query results against a pre-pu…
Original Research
BrightEdge
· Original study ↗
Methodology
Reported as 'roughly 70%'; share of repeat runs for the same query where AI Overview content changes. BrightEdge research as cited by FogTrail blog (secondary source); article undated, vintage estimated.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google AI Overview content for the same query: 70% ai overview content change rate. Source: BrightEdge (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-overview-content-changes-same-query
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ai-overview-content-changes-same-query" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>70%</strong> -- ai overview content change rate for Google AI Overview content for the same query<br><small>Source: BrightEdge (2025) · <a href="https://lighthousedata.io/data/ai-overview-content-changes-same-query" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Related Statistics
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.