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TechnologyBy Alejandra Martínez2 min read

Know it’s broken before your customers do

In 30 seconds

The problem

I only find out the checkout is down from an email from an unhappy customer.

A chart on a dashboard spikes and an alert fires before any customer notices.

The idea

Logs, metrics, errors and uptime checks answer: Is something wrong? Where? Since when?

What to do

Set up uptime checks, error tracking and symptom-based alerts, and write a short runbook.

Read in full

Full text

The worst way to discover that your checkout is down is an email from a customer. By then, you have already lost sales, and trust. The good news is that you do not need a large team or an enterprise budget to find out first.

The signals that matter

  • Logs: A record of what happened, event by event.
  • Metrics: Numbers over time, such as response times, error rates, and orders per hour.
  • Error tracking: Where the code failed, with the details needed to reproduce it.
  • Uptime checks: Someone from the outside asking, every minute, "Is the site really reachable?"

Together, these answer the three questions that matter during an incident: Is something wrong? Where? Since when?

A practical starter kit

  1. Uptime monitoring on your key pages and on a health endpoint of your application.
  2. Error tracking that groups identical errors, shows which release introduced them, and tells you how many users were affected.
  3. Structured logs with request IDs, so you can follow a single customer’s journey through the system.
  4. Business metrics next to technical ones: Sign-ups, payments, and failed background jobs often reveal a problem before any server alarm does. (If you are new to measuring the business side, start with Why Google website stats matter for your business.)
  5. Alerts on symptoms, not noise: "Payments are failing" is useful. "CPU is at 71%" at 3 a.m. usually is not.

Avoid alert fatigue

If every alert pages someone, soon nobody listens. Decide what is urgent enough to interrupt a person, route the rest to a daily summary, and review your alerts every few weeks, deleting the ones that never led to action.

After the alert

Observability is only half the story. Prepare for the moment it fires:

  • A short runbook: The first three things to check, and who to call.
  • A fast way back: Rollbacks and backups that you have actually tested. This is also why keeping your website updated and secure is a continuous habit and not a one-time task.
  • Blameless reviews: Learn what failed and fix the process, not the person.

At falcani, we include monitoring and alerting in the applications we deliver, so you can run your business with a clear view of what is happening under the hood.

Want to stop finding out about problems from your customers? Let’s talk about setting up your early-warning system.

Want us to build it for your business?

Set up uptime checks, error tracking and symptom-based alerts, and write a short runbook.

Tell us what you have in mind and we will answer by email.