AppSignal Blog

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

Ways to Optimize Your Code in Python
Python

Ways to Optimize Your Code in Python

We'll dive into four ways to optimize your Python project and improve performance.

By Federico Trotta on

Set Up Tracing for a Ruby on Rails Application in AppSignal
Ruby

Set Up Tracing for a Ruby on Rails Application in AppSignal

Let's use AppSignal to detect, diagnose, remove performance bottlenecks, and employ tracing in a Ruby on Rails application.

By Daniel Amah on

An Introduction to Ecto for Elixir Monitoring with AppSignal
Elixir

An Introduction to Ecto for Elixir Monitoring with AppSignal

Let's set up Ecto monitoring in your Elixir application using AppSignal.

By Aestimo Kirina on

What's New in Node.js 24
JavaScript

What's New in Node.js 24

Let's see what's worth getting excited about in the Node.js 24 release.

By Damilola Olatunji on

An Introduction to Solid Queue for Ruby on Rails
Ruby

An Introduction to Solid Queue for Ruby on Rails

In this two-part series, we'll dig deep into Solid Queue's internals, discover what makes it unique, and learn more about why it was created in the first place.

By Hans-Jörg Schnedlitz on

Migrating A JavaScript Project from Prettier and ESLint to BiomeJS
JavaScript

Migrating A JavaScript Project from Prettier and ESLint to BiomeJS

We'll introduce the BiomeJS project, set it up in a project, and help you decide if you should migrate from Prettier or ESLint to Biome.

By Damilola Olatunji on

AppSignal Closes $22 Million Growth Investment
AppSignal

AppSignal Closes $22 Million Growth Investment

AppSignal closes a $22 million growth investment led by Elsewhere Partners, enabling us to take AppSignal to the next level.

By Roy Tomeij, Thijs Cadier, Wes Oudshoorn on

Using JWTs in Python Flask REST Framework
Python

Using JWTs in Python Flask REST Framework

We'll build a JWT-based authentication system by creating a to-do list API using Flask.

By Federico Trotta on

How To Write Unit Tests in Node.js Using Mocha
JavaScript

How To Write Unit Tests in Node.js Using Mocha

Mocha has emerged as one of the most popular choices for unit testing in Node.js. Let's see it in action.

By Antonello Zanini on

An Introduction to JavaScript Bundler Rspack
JavaScript

An Introduction to JavaScript Bundler Rspack

Let's explore what Rspack brings to the JavaScript ecosystem, its key offerings, and how to use Rspack to create a React project.

By Antonello Zanini on

Pre-build a Secure Authentication Layer with Authentication Zero for Ruby on Rails
Ruby

Pre-build a Secure Authentication Layer with Authentication Zero for Ruby on Rails

Let's build a configurable generator that equips your Ruby on Rails app with an authentication scaffold.

By Thomas Riboulet on

Instrumenting Redis in Python with AppSignal
Python

Instrumenting Redis in Python with AppSignal

Let's instrument Redis in a Python application using AppSignal.

By Camilo Reyes on

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AppSignal monitors your apps

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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