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Tracing for modern web applications.

Search for and query the traces across your full-stack web app. Get started in seconds.
Feature Spotlight

Measure performance across your application.

Pinpoint latency across your entire codebase, all the way from the client to server.

Dig deep into nested code execution.

Scrutinize every layer of your codebase and identify bottlenecks, inefficiencies, and areas of optimization.

Powerful search. Powered by ClickHouse.

Perform fine-grained searches across all of your traces. Powered by ClickHouse, an industry leading time-series database.

From a “click” to a server-side trace.

Visualize a complete, cohesive view of your entire stack. All the way from a user clicking a button to a server-side trace.

Support for all the modern frameworks.

Whether its Python, Golang, or even vanilla JS, we got you covered. Get started with just a few lines of code.

H.init("<YOUR_PROJECT_ID>", { tracingOrigins: ['localhost', 'example.myapp.com/backend'], ... });
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A few lines of code. That’s it.

Install highlight.io in seconds and get tracing out of the box.

Check out the Optimizing AI Applications with OpenTelemetry livestream.

Join us November 5th at 9am PT to learn about optimizing AI applications. We'll cover best practices, performance tips, and monitoring strategies to enhance AI-powered software.

Our customers

Highlight powers forward-thinking companies. More about our customers →
PipePortalDriposKnockHightouchBasedashImpiraMageAirplane
Secoda
Max Musing

Highlight helps us catch bugs that would otherwise go undetected and makes it easy to replicate and debug them.

Max Musing
Max Musing, Founder & CEO
Lorilyn McCue

Before Highlight, I was flying blind, but now I can see exactly where users are succeeding, failing, and running into issues.

Lorilyn McCue
Lorilyn McCue, Head of Product
Kai Hess

Highlight weaves together the incredible, varied, and complex interactions of our users into something understandable and actionable.

Kai Hess
Kai Hess, Founding Product Designer
Meryl Dakin

I love Highlight because not only does it help me debug more quickly, but it gives me insight into how customers are actually using our product.

Meryl Dakin
Meryl Dakin, Founding Software Engineer
Neil Raina

Highlight has helped us win over several customers by making it possible for us to provide hands-on support, based on a detailed understanding of what each user was doing.

Neil Raina
Neil Raina, CTO
Max Musing

Highlight helps us catch bugs that would otherwise go undetected and makes it easy to replicate and debug them.

Max Musing
Max Musing, Founder & CEO
Lorilyn McCue

Before Highlight, I was flying blind, but now I can see exactly where users are succeeding, failing, and running into issues.

Lorilyn McCue
Lorilyn McCue, Head of Product
Kai Hess

Highlight weaves together the incredible, varied, and complex interactions of our users into something understandable and actionable.

Kai Hess
Kai Hess, Founding Product Designer
Meryl Dakin

I love Highlight because not only does it help me debug more quickly, but it gives me insight into how customers are actually using our product.

Meryl Dakin
Meryl Dakin, Founding Software Engineer
Neil Raina

Highlight has helped us win over several customers by making it possible for us to provide hands-on support, based on a detailed understanding of what each user was doing.

Neil Raina
Neil Raina, CTO
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