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Email Open Rate

Email open rate is the percentage of recipients who opened your email out of those who received it.

Category

Email Marketing

Difficulty

Beginner

Monetization

High

Used by

Every email marketer

Related tool

Build your Creator Hub

What is Email Open Rate?

Email open rate = unique opens ÷ delivered emails × 100. It's the most-watched email metric because it signals two things: deliverability (your email reached inbox not spam) and subject line strength (the headline earned a click). Note that Apple Mail Privacy Protection (MPP) inflates open rates by pre-fetching emails — modern marketers cross-reference open rate with click rate for a clearer picture. Strong creator newsletters hit 40–60% opens; e-com averages 20–25%.

Why it matters for creators

Open rate is the gate to every other email metric. No open = no click = no revenue. Sharper subject lines often deliver bigger ROI than rewriting body copy.

How it works

  1. 1Tracked via invisible pixel in HTML emails.
  2. 2Apple MPP pre-fetches, inflating opens 20–40%.
  3. 3Compared to industry benchmarks for context.
  4. 4Used to test subject lines, send time, segmentation.

Examples

  • Newsletter: 50% open rate from a 5k list.
  • Promo blast: 22% open rate average.
  • Welcome email: 60–80% open rate.

Common mistakes

  • Obsessing over opens while ignoring clicks/conversions.
  • Comparing your opens to wildly different industries.
  • Same subject line style every time — fatigue.
  • Not segmenting — broad sends dilute opens.

Creator use cases

Newsletter writers

A/B test subject lines weekly to learn what your list opens.

Course creators

Pre-launch opens predict launch revenue.

Coaches

Open rate decay signals it's time to re-engage.

Open rate calculator

open rate = unique opens ÷ delivered × 100

Open rate

44.0%

Open rate benchmarks (post Apple MPP)

Creator newsletter

35–55%

Strong engagement

B2B newsletter

25–35%

Industry avg

E-commerce promo

18–25%

Industry avg

Welcome email

60–80%

Highest performing

Re-engagement

10–20%

Cold list

Related metrics

Related Vyntr.ee tools

Turn this into income

Who this matters for

Creator niches where Email Open Rate comes up most.

Related terms

Frequently asked questions

Everything else you might want to know about email open rate.

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