Error and Performance Monitoring for Javascript

JavaScript error monitoring - to help you track errors and get actionable insights to resolve JavaScript issues. Squash JavaScript bugs and boost performance.

14 days free trial. No credit card required.

Zipy JavaScript debugger for JS error monitoring and tracking - JavaScript

Get started in a minute

Add the following to the <head> tag of your website, before other code:
<script src="" crossorigin="anonymous"></script><script> window.zipy && window.zipy.init('YOUR_PROJECT_SDK_KEY');</script>
Read our SDK documentation to ensure you have the latest instructions for installing Zipy. Get started quickly with our Javascript debugger.
1. Install the ‘zipy’ module via NPM:
npm i --save zipy
2. Import ‘zipy’ and call ‘zipy.init’ as following:
import zipy from ‘zipy’;
Read our SDK documentation to ensure you have the latest instructions for installing Zipy. Get started in minutes.
Zipy error monitoring - javascript


The best JavaScript error monitoring tool

Awaken the JavaScript detective in you. Monitor frontend, network, and API failures with this JavaScript error monitoring and tracking tool. Deliver a great user experience.

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JavaScript debugging with stack trace.

Monitor JavaScript errors and get to their root cause instantly with features like stack trace, console logs, and network request response details in our JavaScript error monitoring tool.

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Zipy stack trace - javascript
Zipy api performance - javascript


Supercharge your JavaScript app with performance monitoring.

Stay ahead in monitoring your JavaScript application's performance with our cutting-edge JavaScript performance monitoring and diagnostic platform. Detect API hiccups or latency issues and seamlessly improve your application's speed for enhanced user experience and satisfaction.

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“As a unified platform for user session replay, frontend & network monitoring, Zipy offers an efficient solution for all my debugging needs. It is an indispensable tool for any developer.

Patryk Pijanowski, Co-Founder

Codejet  - Zipy's Happy Customer
Patryk Pijanowski - Zipy's Happy Customer

"Also, we had a call with a customer yesterday end user's message was "it's broken". In Zipy, found the session, found the error, fixed the error. Five minutes total time from reporting to resolution. Zipy is amazing."

Eddy Martinez, CEO

Read this twice  - Zipy's Happy Customer
Vahe Hovhannisyan  - Zipy's Happy Customer

Zipy has changed my life in ways I can’t tell you! Between 2 projects, I have found bugs that would have taken developers years of debugging.

Timothy Connolly, Co-founder & CTO

Directnorth  - Zipy's Happy Customer
Timothy Connolly  - Zipy's Happy Customer

“We look at user sessions on Zipy on a daily basis. We understand what's going wrong in terms of technical issues and you fix those practically before the customer even reports it to you.”

Anjali Arya, Product & Analytics

SuprSend  - Zipy's Happy Customer
Read Case Study

“You realize how good a product is when you have been using it for a while and then discover that this use case is not even what the creators had in mind, but your tool has much more.”

Tomás Charles, Co-founder & CEO

Tomás Charles  - Zipy's Happy Customer

“We integrated Zipy early on and it's now part of our daily scrums - my team has a constant eye on Production bugs. Zipy improves our Productivity significantly.”

Manish Mishra, Co-founder & CTO

Pazcare  - Zipy's Happy Customer
Manish Mishra  - Zipy's Happy Customer

“Zipy is clearly providing a very differentiated solution. Observability is going to be the key to understanding customer issues proactively and it impacts business outcomes directly.”

Jyoti Bansal, Co-founder

Appdynamics  - Zipy's Happy Customer
Jyoti Bansal  - Zipy's Happy Customer

“5 Stars. In no time, Zipy has become our go-to place for watching user journeys, and fix the most important bugs or workflows that our users are experiencing.”

Sandeep Rangdal, Senior Staff Engineer

mindtickle  - Zipy's Happy Customer
Sandeep Rangdal  - Zipy's Happy Customer

“Zipy has been a 2-in-1 solution for us. Signed up solely for error debugging, but the session playback was so smooth that we also ended up ditching a well-known session recording tool.”

Vahe Hovhannisyan, Founder

Read this twice  - Zipy's Happy Customer
Vahe Hovhannisyan  - Zipy's Happy Customer

“We use Zipy as a UX Performance & Debugging Tool. Every time there is a feature release, the testers use it to find issues. We really enjoy working with Zipy, they're very responsive & proactive.

Vineet Jawa, Founder  - Zipy's Happy Customer
Vineet Jawa  - Zipy's Happy Customer


Replay errors instead of recreating them.

Using Zipy error session recordings, quickly unveil the underlying reason for JavaScript errors or user experience issues, capturing comprehensive context from DOM events, console logs, and network calls. Zipy is a JavaScript error monitoring tool that helps monitor and align errors with user behavior.

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Zipy session replay - javascript
Zipy user environment - javascript


See the whole story, no secrets

Capture user environment and usage specifics to precisely replicate JavaScript bugs, encompassing browser, OS version, geography, and over 20 custom user identification parameters tailored for your app and users. Stay proactive with our JavaScript error monitoring tool.

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Custom error logging with the magic of Zipy logs

Apart from capturing your regular console logs, Zipy also enables you to log custom JS exceptions, messages, and errors, facilitating personalized JavaScript error monitoring tailored to your app's needs. With this, you can conveniently filter error sessions based on these custom logs.

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Zipy custom logs - javascript

Works seamlessly with your stack

Zipy for ReactJSZipy for Vue.jsZipy for AngularZipy for Next.jsZipy for JqueryZipy for EmberZipy for JavaScriptZipy for AndroidZipy for ios

Frequently Asked Questions

If you have any more questions, feel free to reach out to us at

What is error monitoring in JavaScript?

JavaScript error monitoring tracks and highlights any errors in your JS code. It even provides advanced developer tools to fix these issues. Some JavaScript error monitoring tools also come with AI assistance to make error resolution even easier and faster. Most web browsers come with built-in error monitoring tools, but for advanced tools and faster issue resolution, developers tend to prefer online monitoring tools like Zipy.

How to use JavaScript error monitoring tools?

If you are using Zipy as your JavaScript error monitoring tool, all you have to do is insert Zipy’s SDK into your web app. Zipy will then start capturing JavaScript errors and alert you as well. You can come back to Zipy and debug them using our advanced dev tools like stack trace, console, and network logs. You can even capture custom logs and resolve issues using AI assistance.

How do I monitor and fix JavaScript errors?

To perform JavaScript debugging in your browser, you can open the browser devtools and check the console tab to see the errors logged there. But if you want to monitor errors for your end-users in their environment, you can use a JavaScript debugger like Zipy. Once you install Zipy SDK in your JavaScript app, the platform starts capturing all the JS errors and exceptions during user interactions with the app. These JavaScript errors are then categorized by their type in the Zipy dashboard. You can check user sessions for each error and access the stack traces of these JS errors to fix them using Zipy's AI Resolve feature.

How to check the performance of JavaScript code?

One effective approach to check the performance of JavaScript code is to use browser developer tools. These tools provide insights into execution times and bottlenecks. Additionally, for advanced JavaScript performance monitoring, consider tools like Zipy, the best JavaScript performance monitoring tool online used to monitor JS based apps performance across real user data. Zipy's performance diagnostic tool enables you to identify API latencies and proactively address issues for seamless performance.

What are the three types of errors shown in JavaScript?

Syntax errors, runtime errors, and logical errors are the three main types of errors that can occur while compiling a JavaScript program. You can catch them all proactively with a platform like Zipy, your JavaScript error monitoring tool online. You can use Zipy to access the stack trace of the code, figure out the exact problem, and fix it using the AI Resolve feature.

Empower your JavaScript app with Zipy

Zipy, online javascript debugger, provides you with full customer visibility without multiple back and forths between Customers, Customer Support and your Engineering teams.

The unified digital experience platform to drive growth with Product Analytics, Error Tracking, and Session Replay in one.

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