Percentage of email recipients who open a marketing or product email.
Unique Opens / Emails Delivered × 100
Higher is better · Unit: percentage
How to Improve
Segment lists by engagement level and personalize subject lines with recipient data. Send at optimal times based on timezone and past open behavior. Remove inactive subscribers quarterly.
Ehsan's Analysis
Growth-stage CleanTech founders obsess over this metric at the wrong altitude. Zoom out: does improving this metric compound into durable competitive advantage, or is it just vanity? In CleanTech, this metric directly correlates with 18-month survival rates. That makes it worth the obsession, but only if you tie it to the specific product and go-to-market actions that drive it.
EJ
Ehsan Jahandarpour
AI Growth Strategist & Fractional CMO
Forbes Top 20 Growth Hacker · TEDx Speaker · 716 Academic Citations · Ex-Microsoft · CMO at FirstWave (ASX:FCT) · Forbes Communications Council
Frequently Asked Questions
What is a good Email Open Rate for CleanTech at Growth?
Median is 18.5%. Top-quartile achieves 21.3%. Aim for top-quartile to attract investors.
How does Transactional model affect Email Open Rate?
The Transactional business model impacts this metric through pricing mechanics and customer behavior patterns. Benchmark against companies with the same model for accurate comparison.
How to improve Email Open Rate?
Focus on the primary driver for your stage. At Growth, the biggest lever is usually operational efficiency and product-market fit refinement.