We monitor your favorite JavaScript frameworks:
And of course, you can catch plain JavaScript errors!
We save error details and provide you with the information to drill down to the root cause. Look at other occurrences of the same error to discover patterns. Tag errors with user ID's or anything else to make debugging easier, and add links back to your CRM to follow-up on affected users.
The error message is shown at the start of the page.
See the hostname, path, request ID and other information that was saved for this request.
Set issue status and notifications preferences.
We keep track of every occurrence of the exception, so you can inspect and compare.
AppSignal automatically sends real-time alerts to your favorite platforms.
Create and send issues to your favorite issue trackers with a single click.
Front-end errors can be quirky. That’s why we track what users did before the error occurred.
1500+ development teams rely on AppSignal to ship code with confidence. We are sharing a few of their stories with you.
AppSignal is built for ease of use. The installation is effortless and we'll set most things up automatically. You'll be monitoring exceptions and javascript in no-time.
// Install AppSignal
yarn add @appsignal/javascript
npm install --save @appsignal/javascript
// Initialize AppSignal
import Appsignal from "@appsignal/javascript" // For ES Module
const Appsignal = require("@appsignal/javascript").default // For CommonJS module
const appsignal = new Appsignal({
key: "YOUR FRONTEND API KEY"
})
AppSignal's monitoring agent is built with Rust. It's lightweight, stable and already runs in thousands of applications.
If you need us, we’re there for you. We’re committed to making AppSignal monitoring great for you and your team.
Got customers in the EU? Our data processing is GDPR compliant.
If there’s one thing you need to trust, it’s your APM. We're ready to help you monitor, at every scale.
AppSignal writes high-quality articles about programming in JavaScript on our blog. This is a collection of our best articles.
We'll explore how best to optimize performance in MongoDB.
We'll dive into the different types of timeouts and how to use them in popular Node.js libraries.
Let's explore what the two JavaScript runtime newcomers Deno and Bun have to offer.
Let's take a look at some of the major features from the recent Node.js 21 release.
AppSignal offers a 30-day free trial, no credit card is required. All features are available in all plans. Start monitoring your application in just a few clicks!
Do you need help, have a feature request or just need someone to rubber duck with? Get in touch with one of our engineers.
AppSignal is located in beautiful the Netherlands. We love stroopwafels. If you do too, let us know. We might send you some!