B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
22%
22% -- click through rate lift for AI-generated email image overlays (2026)
AI-generated image overlays increase email click-through rates by up to 22% compared to generic placements.
- up to 22%
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
22%
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
Knak
Primary
Tier C
https://alpacarelay.com/tools/add-image-overlay-for-discount-offer-email-for-financial-services ↗
Source Article
Add Image Overlay — Discount Offer Email | AlpacaRelay
- Tools
- Discount Offer Tools
- Add Image Overlay
Add Image Overlay for Your Discount Offer Email
Paste your discount offer email content below and get AI-scored suggestions instantly. Each suggestion is rated on the 8-Dimension Email Quality Framework.
Discount Offer Email Image Overlay: Before vs…
Original Research
Knak
· Original study ↗
Methodology
Cited from Knak Email Creation & AI Statistics; 'up to' phrasing indicates upper bound
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
AI-generated email image overlays: 22% click through rate lift. Source: Knak (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-overlay-ctr-lift-22pct-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ai-overlay-ctr-lift-22pct-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>22%</strong> -- click through rate lift for AI-generated email image overlays<br><small>Source: Knak (2026) · <a href="https://lighthousedata.io/data/ai-overlay-ctr-lift-22pct-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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