B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
14x
14x -- crawl to referral ratio for Google (2025-06)
Google crawled roughly 14 pages for every referral visit it sent back in June 2025 according to Cloudflare data.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
14x
Unit
Ratio
Data Vintage
2025-06
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Cloudflare
Primary
Tier B
https://apollodigital.io/blog/ai-crawler-access/ ↗
Source Article
Which AI Crawlers Can Reach Your Site (2-Min Check)
Original Research
Cloudflare
· Original study ↗
Methodology
Cloudflare network measurement of crawl-to-referral trade imbalance
Methodology documented
Segmentation
IndustryTechnology
RegionGlobal
RoleAll marketers
Channelmulti-channel
Cite this stat
Plain Text
Google: 14x crawl to referral ratio. Source: Cloudflare (2025-06). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-crawl-referral-ratio-2025
HTML Embed
<blockquote cite="https://lighthousedata.io/data/google-crawl-referral-ratio-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>14x</strong> -- crawl to referral ratio for Google<br><small>Source: Cloudflare (2025-06) · <a href="https://lighthousedata.io/data/google-crawl-referral-ratio-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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