B
Evidence Grade B
Graded
under review
Safe to Cite
Current
100%
100% -- attribution accuracy for Deterministic Attribution (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
100%
Unit
Percentage
Data Vintage
2026
Entity
Geography
US
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Score breakdown
Extraction
95
Source Trust
50
Citation Chain
90
Independence
30
Methodology
45
Freshness
95
Sources (3)
Mapendo
Primary
Tier A
https://mapendo.co/blog/identifier-for-advertisers-idfa ↗
Source Article
Identifier For Advertisers (IDFA) | Mapendo Blog
Also cited by
2026-08-10
2026-08-08
Original Research
Mapendo
· Original study ↗
Methodology
IDFA allows MMPs to match actions like clicks on ads and impressions to installs and in-app events, ensuring 100% accurate attribution.
Methodology documented
Segmentation
IndustryAdTech
RegionUS
RoleAll marketers
Channelpaid_ads
Cite this stat
Plain Text
Deterministic Attribution: 100% attribution accuracy. Source: Mapendo (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/idfa-attribution-accuracy
HTML Embed
<blockquote cite="https://lighthousedata.io/data/idfa-attribution-accuracy" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>100%</strong> -- attribution accuracy for Deterministic Attribution<br><small>Source: Mapendo (2026) · <a href="https://lighthousedata.io/data/idfa-attribution-accuracy" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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