B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
12%
12% -- open rate lift for Klaviyo (2026)
Klaviyo's smart send time feature delivered roughly a 12% to 16% lift in open rates over fixed optimal send times in testing.
- Reported as an approximate range (12–16% lift) in testing
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
12%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
AI Marketing Compare
Primary
Tier B
https://aimarketingcompare.com/guide/best-ai-email-marketing-platforms-2026/ ↗
Source Article
Best AI Email Marketing Platforms 2026: Ecosystems, Int
Original Research
AI Marketing Compare
· Original study ↗
Methodology
First-party testing; range 12-16%, midpoint used
Methodology documented
Segmentation
IndustryeCommerce
Company SizeAll sizes
RoleAll marketers
Channelemail
Cite this stat
Plain Text
Klaviyo: 12% open rate lift. Source: AI Marketing Compare (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/klaviyo-smart-send-open-lift-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/klaviyo-smart-send-open-lift-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>12%</strong> -- open rate lift for Klaviyo<br><small>Source: AI Marketing Compare (2026) · <a href="https://lighthousedata.io/data/klaviyo-smart-send-open-lift-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Related Statistics
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.