B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
12
12 -- content age threshold for ai overview inclusion for Google AI Overviews (2026)
Pages that go without updates for more than 12 months risk being completely excluded from AI Overviews.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
12
Unit
Duration Months
Data Vintage
2026
Entity
Geography
Global
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
AnyPost
Primary
Tier C
https://anypost.ai/blog/content-decay-how-to-spot-and-reverse-declining-pages ↗
Source Article
Content Decay: How to Spot and Reverse Declining Pages
Original Research
AnyPost
· Original study ↗
Methodology
Vendor blog claim without cited methodology
Methodology documented
Segmentation
IndustryMedia
RegionGlobal
RoleContent Marketer
Channelcontent
Cite this stat
Plain Text
Google AI Overviews: 12 content age threshold for ai overview inclusion. Source: AnyPost (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-overview-disappearance-12-months
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ai-overview-disappearance-12-months" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>12</strong> -- content age threshold for ai overview inclusion for Google AI Overviews<br><small>Source: AnyPost (2026) · <a href="https://lighthousedata.io/data/ai-overview-disappearance-12-months" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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