AppSignal Blog

AppSignal APM combines performance monitoring and error tracking in one clear interface. For Ruby (on Rails), Elixir and Node.js.

AppSignal for Node.js 3.0 Introduces OpenTelemetry Support
AppSignal

AppSignal for Node.js 3.0 Introduces OpenTelemetry Support

AppSignal's latest release for our Node.js package introduces OpenTelemetry and six new integrations!

By Connor James on

Node.js Architecture Pitfalls to Avoid
JavaScript

Node.js Architecture Pitfalls to Avoid

Let's explore some common architecture pitfalls in Node.js and see how you can avoid them.

By Nate Anderson on

System Notifications with Noticed and CableReady in Rails
Ruby

System Notifications with Noticed and CableReady in Rails

Discover how to set up notifications for your Rails application using CableReady and Noticed.

By Julian Rubisch on

AppSignal's Future with OpenTelemetry
AppSignal

AppSignal's Future with OpenTelemetry

We're committing to OpenTelemetry. But what is OpenTelemetry, and how does AppSignal use telemetry data?

By Connor James on

Node.js Error Handling: Tips and Tricks
JavaScript

Node.js Error Handling: Tips and Tricks

Let's look at a few different strategies for error handling in Node.

By Kayode Oluwasegun on

Node.js 19 Release: What’s New
JavaScript

Node.js 19 Release: What’s New

Let's take a look at some of the major features from the recent Node.js 19 release.

By Camilo Reyes on

Parser Combinators in Elixir: A Deeper Dive
Elixir

Parser Combinators in Elixir: A Deeper Dive

In the second part of our two-part series, we'll improve the parser combinator we've written.

By David Sulc on

AppSignal Supports Mastodon
AppSignal

AppSignal Supports Mastodon

Lots of people are leaving Twitter for Mastodon - but how does Mastodon work?

By Connor James on

How to Handle Async Code in JavaScript
JavaScript

How to Handle Async Code in JavaScript

Explore the basics of using callbacks, promises, and the modern async/await style in JavaScript.

By Geshan Manandhar on

How to Scale Ruby on Rails Applications
Ruby

How to Scale Ruby on Rails Applications

Check out some ways to scale your Ruby on Rails applications, including with caching and background workers.

By Sapan Diwakar on

What's New in Next.js 13
JavaScript

What's New in Next.js 13

Let's explore the new features and improvements in Next.js 13.

By Nikola Đuza on

Sanitize Strings in Elixir with Pattern Matching and Recursion
Elixir

Sanitize Strings in Elixir with Pattern Matching and Recursion

Let's use two great features in Elixir - recursion and binary pattern matching - to sanitize a string.

By Sophie DeBenedetto on

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AppSignal provides insights for Ruby, Rails, Elixir, Phoenix, Node.js, Express and many other frameworks and libraries. We are located in beautiful Amsterdam. We love stroopwafels. If you do too, let us know. We might send you some!

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