Highlight.io

Name: Highlight.io
Brand: Highlight.io

Full‑stack monitoring with session replay, error tracking, logs and performance in one platform.

softwareMonitoring & Logging monitoringsession-replayerror-tracking

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Our Verdict

Best for

Dev teams needing all‑in‑one monitoring with customizable open‑source core

Skip if

Teams that can’t handle self‑hosting or require advanced analytics for free

What is Highlight.io?

Highlight.io is an open‑source monitoring platform that unifies session replay, error tracking, logging, and performance monitoring. It gives developers real‑time visibility into user behavior and application health without stitching together multiple tools. The platform can be self‑hosted or used as a SaaS service, offering a free tier with core features and paid plans for advanced analytics, retention, and support. Its open‑source nature lets teams customize instrumentation and integrate with existing observability stacks.

SpecificationsAI-estimated

open source✅ Yes

api available✅ Yes

support optionsEmail, Community Slack, GitHub Issues

key integrationsSlack, GitHub, Jira, Datadog, Sentry

Key Features of Highlight.io

Capture and replay every user session to see exactly what users experienced before an error occurred.

Automatically group and prioritize JavaScript errors with stack traces and contextual metadata.

Ingest structured and unstructured logs from any source and correlate them with sessions and performance data.

Measure page load, API latency, and custom performance metrics with end‑to‑end tracing.

Set real‑time alerts on error spikes, latency thresholds, or custom events via Slack or email.

Deploy Highlight on your own infrastructure or use the hosted SaaS version with a free tier.

Integrate with CI/CD pipelines and issue trackers to create tickets directly from detected issues.

Export raw data via a REST API for custom dashboards or downstream analytics.

Use Cases for Highlight.io

Debugging Production Issues

Replay user sessions to pinpoint the exact steps that caused a crash.

Performance Optimization

Track page load times and API latency to identify bottlenecks.

Quality Assurance

Automatically capture errors during testing and link them to session recordings.

Customer Support

Support agents view user sessions to understand problems without asking the user to reproduce them.

Pros & Cons of Highlight.io

Pros

All‑in‑one monitoring reduces tool sprawl.
Open‑source core allows deep customization.
Free tier includes core session replay and error tracking.
Real‑time alerts integrate with common communication channels.

Cons

Self‑hosting requires operational overhead.
Advanced analytics and retention are only in paid plans.
UI can feel cluttered when many sessions are loaded.

Frequently Asked Questions

Is Highlight.io truly open source?

Yes, the core platform is released under an open‑source license and the source code is publicly available on GitHub.

Can I use Highlight.io on-premises?

Yes, you can self‑host the platform on your own servers or Kubernetes cluster.

What languages does Highlight support for instrumentation?

Highlight provides SDKs for JavaScript/TypeScript, React, Next.js, Node.js, and other web frameworks; server‑side support is expanding.

Is there a limit on the number of sessions stored on the free tier?

The free SaaS tier retains a limited number of recent sessions (e.g., 1 GB of data) and older sessions are pruned automatically.

Pricing Overview

View full pricing →

Freemium

Detailed plans are not listed. Visit the official website for pricing information.

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