B
Evidence Grade B
Graded
under review
Safe to Cite
Current
6%
6% -- conversion increase rate for GA4 and Google Ads advertiser conversions (from switching to data-driven attribution) (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
6%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Google
Primary
Tier C
https://www.alphalyr.fr/fr/actualites/disparition-de-4-modeles-dattribution-ga4-et-google-ads-que-fa… ↗
Source Article
Disparition de 4 modèles d'attribution GA4 et Google Ads : que faire ?
Original Research
Google
· Original study ↗
Methodology
Google's stated justification for deprecating four attribution models (position-based, etc.): low adoption plus a promised 6% conversion increase from data-driven attribution. Article is in French; no year stated in the article, so vintage set from collection date (2026). Rollout noted as May on GA4 and the following month on Google Ads.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
GA4 and Google Ads advertiser conversions (from switching to data-driven attribution): 6% conversion increase rate. Source: Google (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-dda-6-percent-conversion-increase
HTML Embed
<blockquote cite="https://lighthousedata.io/data/google-dda-6-percent-conversion-increase" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>6%</strong> -- conversion increase rate for GA4 and Google Ads advertiser conversions (from switching to data-driven attribution)<br><small>Source: Google (2026) · <a href="https://lighthousedata.io/data/google-dda-6-percent-conversion-increase" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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