C
Evidence Grade C
Graded
under review
Use with Hedging
Current
37%
37% -- email open rate for marketing emails (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
37%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
C
Moderate quality evidence
Useful directional data with some methodological gaps. Treat as indicative rather than definitive -- corroborate before citing in formal research.
Score breakdown
Extraction
95
Source Trust
50
Citation Chain
20
Independence
30
Methodology
45
Freshness
86
Sources (2)
Constant Contact
Primary
Tier A
https://blog.taboola.com/most-hated-advertising-techniques/ ↗
Source Article
Best and Worst Advertising Techniques
No matter what type of advertising you’re planning to use to promote your brand, product, or services, you have to get the messaging right, and that means knowing your audience. Here, I’ll look at a variety of specific advertising techniques with proven track records of success, and several to be av…
Also cited by
2026-09-14
Original Research
Constant Contact
· Original study ↗
Methodology
Per Constant Contact
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2021 | 12% | |
| 2026 (current) | 37% | +208.3% |
Segmentation
Channelrss_feed
Cite this stat
Suggested hedging: According to limited, single-source data, with unverified sample sizes...
Plain Text
marketing emails: 37% email open rate. Source: Constant Contact (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-marketing-open-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/email-marketing-open-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>37%</strong> -- email open rate for marketing emails<br><small>Source: Constant Contact (2026) · <a href="https://lighthousedata.io/data/email-marketing-open-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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