B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
55%
55% -- tracking rate decline for US digital advertising tracking (post-iOS privacy changes) (2023)
Tracking rates in the US dropped 55% following iOS privacy changes according to Frankfurt University research.
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
55%
Unit
Percentage
Data Vintage
2023
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
Frankfurt University
Primary
Tier C
https://www.pilothouse.co/post/q1-meta-technical-review-the-facebook-ads-optimization-checklist ↗
Source Article
Q1 Meta Technical Review: The Facebook Ads Optimization Checklist - Pilothouse Digital
Q1 Meta Technical Review: The Facebook Ads Optimization Checklist
Q1 creates a strategic window for validating Meta's technical infrastructure. Holiday campaign volume has dropped off, giving marketing teams space to focus on foundational systems without disrupting live initiatives.
Frankfurt Univer…
Original Research
Frankfurt University
· Original study ↗
Methodology
Frankfurt University research on tracking rates after iOS privacy changes, as cited by Pilothouse Digital
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
US digital advertising tracking (post-iOS privacy changes): 55% tracking rate decline. Source: Frankfurt University (2023). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ios-privacy-tracking-drop-us-2023
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<blockquote cite="https://lighthousedata.io/data/ios-privacy-tracking-drop-us-2023" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>55%</strong> -- tracking rate decline for US digital advertising tracking (post-iOS privacy changes)<br><small>Source: Frankfurt University (2023) · <a href="https://lighthousedata.io/data/ios-privacy-tracking-drop-us-2023" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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