We onboarded a new SaaS client last February. They had 4,000 trial signups per month. Their welcome email sequence had a 3% open rate. Three percent. The industry average is closer to 50% for welcome emails. Something was very, very wrong.

Welcome Emails Are Your First Impression

That welcome email is the single most-opened email you'll ever send. People expect it. They look for it. If it doesn't arrive, or arrives broken, or lands in spam, your entire onboarding sequence falls apart.

But most teams set up their welcome email sequence once and forget about it. I get it. You've got campaigns to run, landing pages to build, reports to pull. The welcome sequence is "done," right?

Except it breaks all the time. And nobody notices because nobody is monitoring it.

The Three Ways Welcome Email Sequence Monitoring Fails

From working with dozens of teams, I've found the same three failure modes come up again and again.

The trigger breaks silently. Your CRM or email platform uses a trigger (form submission, API call, tag applied) to start the sequence. If that trigger stops firing, new signups never enter the sequence. We found this with a HubSpot workflow that was accidentally deactivated during a CRM cleanup. It was off for 11 days before anyone checked.

The emails land in spam. Your sending domain reputation can change without warning. A sudden spike in sends, a batch of bad addresses, or even a change in email content can trigger spam filters. If your welcome emails start hitting spam folders, your open rate tanks and you won't know unless you're watching deliverability metrics weekly.

The content is broken. Links in the email point to old URLs. Dynamic content blocks show fallback text instead of personalized data. An image host goes down and your email looks like a broken webpage from 2004. These things happen gradually, and they compound.

What Real Welcome Email Sequence Monitoring Looks Like

Here's what I check every week for clients running email funnels:

  • Is the welcome sequence trigger firing for every new signup? Compare signup count against sequence enrollment count.
  • What's the open rate on email 1? If it drops below 40%, investigate deliverability immediately.
  • Are all links in the sequence valid? Click each one. I use Ahrefs broken link checker as a fast way to scan for dead URLs.
  • Do dynamic merge fields (first name, company, plan type) populate correctly?
  • Is the unsubscribe link working? A broken unsub link can get you flagged by ISPs.

This isn't glamorous work. It takes 20 minutes. But those 20 minutes protect the most important email in your entire automation stack.

Automate What You Can

You shouldn't have to manually click through your welcome emails every week. Set up automated checks on the landing pages and confirmation pages that your emails link to. FunnelLeaks monitors those destination pages so you'll know immediately if a link in your welcome email sends users to a 404 or a broken onboarding flow.

Pair that with your email platform's built-in deliverability reports, and you've got welcome email sequence monitoring that actually catches problems before your new users ghost you.

Your welcome sequence is too important to ignore. Start monitoring it properly and stop losing new users at the very first touchpoint.