Learning center
Learn monitoring with AppSignal
Monitoring can feel complicated. But it doesn’t have to be. We’ll teach you how to monitor your applications from A–Z with AppSignal. From your first error to your Nth cluster.

Get to know AppSignal in five minutes
Learn about how AppSignal's core features help you monitor your app.
What are good and acceptable error rates?
How do you define what acceptable and good error rates are for your application?

What is logging?
Learn the basics that are essential for effective log management.
What is an N+1 query?3 min read What are namespaces?4 min read Understanding Ruby error messages and backtraces9 min read What logs should I store?8 min read What is lazy and eager loading?5 min read Monitoring tool strategies7 min read What is an application performance monitoring (APM) tool?2 min read How to use tags in AppSignal3 min read Understanding Elixir error messages and stack traces8 min read Understanding your monitoring statistics7 min read What are the stages of product development?2 min read How can I monitor background processes with Check-ins?6 min read Understanding Python error messages and stack traces9 min read What is Alert Fatigue?4 min read How do I monitor my application during development?5 min read How do I monitor my application during launch?3 min read How do I monitor my application when scaling?3 min read How to maintain my application post-development4 min read What Is a Cron Job? Crontab Syntax Explained (With Examples)7 min read How do I sort and filter sample data?6 min read Why should my app and server use Coordinated Universal Time (UTC)?5 min read
$appsignal install
Make your next crash make sense.
Free for 30 days. No credit card. Two-minute install.