B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
85%
85% -- ai overview citations from past year content for Google AI Overviews (2026)
85% of AI Overview citations pointed to content published or updated within the past year.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
85%
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
Seer Interactive
Primary
Tier B
https://rctrl.com/blog/content-refresh-ai-search-reindexing-signals ↗
Source Article
Content Refresh for AI Search: What Triggers Re-Indexing
In June we watched a SaaS team refresh their best comparison page and get two completely different verdicts. Within five days, ChatGPT was citing the updated version. Six weeks later, Google's AI Overview for the same query still quoted the old numbers from a competitor. Same page, same refresh, opp…
Original Research
Seer Interactive
· Original study ↗
Methodology
Seer Interactive log-file analysis, per-surface breakdown
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google AI Overviews: 85% ai overview citations from past year content. Source: Seer Interactive (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-overview-citations-past-year-85-percent
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<blockquote cite="https://lighthousedata.io/data/ai-overview-citations-past-year-85-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>85%</strong> -- ai overview citations from past year content for Google AI Overviews<br><small>Source: Seer Interactive (2026) · <a href="https://lighthousedata.io/data/ai-overview-citations-past-year-85-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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