There's one question that improves your email marketing more than any other, and almost nobody asks it: was this campaign better or worse than my previous ones? Not "did I hit the 20% they say is good," but "did I improve compared to myself?" Because internet benchmarks come from a different industry, a different list, and a different product; your real point of comparison is you, last week.
In this guide you'll learn to compare your campaigns to find your best version and repeat whatever made it work. Here's what lining up your sends side by side looks like:
Open rate by campaign
Last 5- May newsletter28%
- Fall promo22%
- Season re-opening41%
- Care tips35%
- Black Week31%
Your best campaign: "Season re-opening" (41%). The question that's worth gold: what was different — the subject line, the day, the offer? That's what's worth repeating next time.
Before you start
- At least three or four sent campaigns, so you have something to compare.
The 6 steps
- 1
Compare yourself against yourself, not against benchmarks
Your north star is your own trend, not an average pulled from the internet.
- 2
Gather your recent campaigns
Pull your latest comparable sends (same type of campaign).
- 3
Look at the same metric across all of them
Pick one — opens, clicks — and line the campaigns up side by side.
- 4
Find your best-performing version
The campaign that performed best is your model to study.
- 5
Ask what made it different
The subject line, the day, the offer, the segment: that's where the lesson lives.
- 6
Repeat what works
Apply the winning pattern and let the AI spot trends for you.
1. Compare yourself against yourself, not against benchmarks
Industry references (15–25% opens, 2–5% clicks) are useful for a rough sense of where you stand, but not for making decisions. A "good" rate for an e-commerce store is a bad one for a B2B service, and vice versa. What actually matters is your trend: are you climbing or slipping? Which send broke your personal record? That internal comparison is honest and actionable.
2. Gather your recent campaigns
Pull your latest comparable sends. Comparing your monthly newsletter to a flash promo doesn't tell you much — they're different animals. Group like with like — newsletters with newsletters, promos with promos — and look at that series.
3. Look at the same metric across all of them
Pick one metric to compare at a time: open rate is the most common starting point (it speaks to your subject line and reputation), while clicks or CTOR measure your content. Line the campaigns up side by side on that metric, like in the chart above. One clear metric per comparison — mixing everything together just muddies the picture.
4. Find your best-performing version
Somewhere in that series, one campaign will stand out. That's your best version: the send that, for whatever reason, connected best with your audience. Don't write it off as a lucky break — it's your best teacher.
Tip: look at your worst one too. The contrast between your best and worst campaign usually spells out the lesson loud and clear: often it's the subject line, sometimes the day and time, sometimes which segment received it.
5. Ask what made it different
With your best campaign identified, the question worth its weight in gold comes next: what was different about it? The subject line, the day of the week, the offer, the image, the segment it reached. Go through those elements comparing it against the rest. That difference is where the recipe you want to repeat is hiding.
And if you'd rather not dig through it by hand, you can hand it to the AI: Amanda runs comparative analysis across campaigns and picks up trends that are easy to miss at a glance. We cover that in understanding your reports with Amanda AI.
6. Repeat what works
Continuous improvement is exactly this, on a loop: you compare, you find what worked, you repeat it next time, and you compare again to confirm it wasn't a fluke. Campaign after campaign, your "average" climbs — not because you're chasing someone else's number, but because each send learns from the one before it.
Common mistakes to avoid
- Measuring yourself against another industry's benchmarks. It either deflates you or gives you false confidence. Your north star is your own series.
- Comparing unlike campaigns. Newsletter vs. flash promo isn't a fair fight. Group what's comparable.
- Watching ten metrics at once. You'll lose the thread. One metric per comparison.
- Chalking up your best campaign to luck. It's your best data point. Study it and repeat what made it win.
Next steps
- Let the AI do the comparing for you in understanding your reports with Amanda AI.
- Revisit each metric in detail in reading your reports.
- See the full power of your reports in stats.