Turning your metrics into decisions

A campaign report is a to-do list in disguise. Each pattern in your numbers points to a specific fix. This guide takes the four situations you'll run into most and tells you exactly where to focus next — no guesswork required.

One habit to build first: change one thing at a time. If you rewrite the subject line, swap the offer, and re-time the send all at once, you'll never know which change moved the needle. Fix the biggest problem, measure it, then move on.

Low opens: fix who and what they see first

If few people are opening, the problem is almost always in the tiny slice of your email people see before they open: the sender name, the subject line, and whether the message reached the inbox at all.

1. 1

   Sharpen the subject line

   This is the single biggest lever on opens. Make it specific, curious, or clearly useful — and test versions against each other rather than guessing.

2. 2

   Check your sender name

   People open emails from names they recognize and trust. Use a consistent, human "from" name rather than a generic or unfamiliar one.

3. 3

   Rule out a deliverability problem

   If opens dropped suddenly across the board, your mail may be landing in spam. Check your delivery and bounce rates before blaming the subject line.

Good opens but low clicks: fix the message

When lots of people open but few click, your subject line did its job — the problem is inside the email. People looked, and nothing moved them to act. Look at three things:

• The offer — is it genuinely worth a click? A weak or unclear offer is the most common culprit. Make the value obvious.
• The content — is the email focused, easy to scan, and leading toward one clear action? Walls of text and competing messages dilute clicks.
• The call to action (CTA) — is there an obvious, single button that tells people exactly what to do? Bury it or offer five links and clicks scatter.

This is a perfect place to A/B test: try two versions of the CTA or the offer against a slice of your list and send the winner to everyone else.

High unsubscribes or complaints: fix relevance and frequency

When opt-outs or spam complaints climb, people are telling you something is off with the relationship — not usually with a single email's design. Ask yourself:

• Frequency — are you emailing more often than people expected when they signed up? Sending less, but with more value, often beats sending more.
• Relevance — is everyone getting the same message regardless of their interests? Sending the right content to the right people is the strongest fix here. Use segments and tags to target.
• List source — where did these contacts come from? A purchased or scraped list, or one that no longer remembers you, will always generate complaints. Grow your list with people who genuinely opted in.

Rising bounces: fix your list hygiene

Climbing bounces mean you're mailing addresses that no longer work. The fix is list hygiene: remove hard-bounced and long-inactive contacts so you're only sending to real, reachable people. A cleaner list improves your delivery rate and protects your sending reputation, which lifts every other metric too. Good hygiene is a core part of staying out of spam.

Ready to put these fixes to work? These guides show you the how behind each decision.