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Title:Application Performance Monitoring & Error Tracking Software
Description:Application performance monitoring for developers & software teams to see errors clearer, solve issues faster & continue learning continuously. Get started at sentry.io.
HTML Size:695 KB
Markdown Size:12 KB
Fetched At:November 17, 2025

Page Structure

h3Holiday E-Commerce Checklist: A Developer’s Survival Guide
h1Code breaks, fix it faster
h2When your app breaks, fix it faster with Sentry
h2Error Monitoring
h3Identify, debug, and resolve
h4Prioritize what matters
h4Find the root cause
h4Automate everything
h2Tracing
h3Don't just observe. Take action.
h4Find and fix the problem, no matter where it occurs
h4Solve slow, fast
h4Investigate known problems
h2Session Replay
h3See what your users are seeing
h4Debug with visual context
h4Protect your users' privacy
h4See user frustration signals in the UX
h2Code Coverage
h3Get ahead of production issues
h4Get test coverage insights in the PR
h4Shorten review cycles
h4Group your testing concerns
h2Getting started with Sentry is simple
h2Trust & security
h2Of course we have more content
h3Lunch & Learn: Tracing with Smugmug
h3Performance Monitoring by Sentry
h3Sentry for Mobile Applications
h3Sentry for Gaming
h3Lunch & Learn: Tracing with Smugmug
h3Performance Monitoring by Sentry
h3Sentry for Mobile Applications
h3Sentry for Gaming
h3Lunch & Learn: Tracing with Smugmug
h3Performance Monitoring by Sentry
h3Sentry for Mobile Applications
h3Sentry for Gaming
h2Get monthly product updates from Sentry
h3Sign up for our newsletter.
h2Fix it, don't observe it.
h2A peek at your privacy
h3Who we collect PII from
h3PII we may collect about you
h3How we use your PII
h3Third parties who receive your PII
h3We use cookies (but not for advertising)
h3Know your rights

Markdown Content

Application Performance Monitoring & Error Tracking Software | Sentry



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### Holiday E-Commerce Checklist: A Developer’s Survival Guide

There’s never a good time for errors or performance degradations to show up, but during periods of peak traffic like the holidays, it’s especially critical to get immediate answers about what’s failing and how to fix it.

Learn More
- Docs
- Pricing

Sign InloginGet Demoget a demoGet Startedsign up

Marketing Mode

Want to connect with the folks building Sentry? Join us on Discord.  ➔

# Code breaks, fix it faster

Application monitoring software considered "not bad" by 4 million developers.

Try Sentry for FreeExplore The Sandbox

150,000+ Growing Teams Use Sentry to Find Problems Fast

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## When your app breaks, fix it faster with Sentry

Error MonitoringTracingSession ReplayCode Coverage

## Error Monitoring
### Identify, debug, and resolve

#### Prioritize what matters

Triage issues based on impacted customers

Read the Docs Prioritize what matters

#### Find the root cause

Get all the context. Sentry will tell you the environment, device, OS, even the very commit that introduced the error - down to the broken line of code.

Learn More Find the root cause

#### Automate everything

Keep your entire team informed with custom alerts in Slack, two-way sync issues with Jira, and track releases from GitHub, Vercel, or Netlify.

Learn More Automate everything

## Tracing
### Don't just observe. Take action.

#### Find and fix the problem, no matter where it occurs

With Tracing, see the complete, end-to-end path that data takes through your distributed system to pinpoint the exact origin of an issue. Navigate to a trace from a correlated metric, specific issue, or search.

Learn More Find and fix the problem, no matter where it occurs

#### Solve slow, fast

Sentry automatically detects and notifies you of critical performance issues so you can trace every slow transaction to a poor-performing API call or DB query.

Learn More Solve slow, fast

#### Investigate known problems

Pinpoint the specific operations that may be causing issues by searching for traces matching criteria like a route, API endpoint, or user ID—or get a quick overview of how your application is performing.

Learn More Investigate known problems

## Session Replay
### See what your users are seeing

#### Debug with visual context

Navigate your application's console output, network calls, and even inspect your application's DOM tree. It's like your browser's dev tools right inside Sentry.

Read the Docs Debug with visual context

#### Protect your users' privacy

Lock down your debugging experience without sacrificing user privacy with a range of privacy controls to ensure no sensitive user information leaves the browser.

Learn More Protect your users' privacy

#### See user frustration signals in the UX

See dead clicks and rage clicks in the Replay view to understand where users are getting stuck.

Read the Docs See user frustration signals in the UX

## Code Coverage
### Get ahead of production issues

#### Get test coverage insights in the PR

Code coverage pull request comments allow you to quickly analyze your PR's coverage and risk without leaving your workflow.

Read the Docs Get test coverage insights in the PR

#### Shorten review cycles

Catch software issues early in the development process, preventing them from escalating into more complex and time-consuming problems.

Learn More Shorten review cycles

#### Group your testing concerns

Create custom statuses and group coverage in your repo without modifying your test setup using Flags and Components.

Read the Docs Group your testing concerns

## Getting started with Sentry is simple

We support every technology (except the ones we don't).
Get started with just a few lines of code.

Android.NETGoSwiftJavaScriptPythonReactRubyNext.jsPHPLaravelASP.NET CoreSpring BootVueAngularSolidSvelteAstroSee All Platforms

Signup and install Sentry with just one line of code:

Click to Copy

Click to Copy

`npx @sentry/wizard@latest -i nextjs`

That's it. Check out our documentation to ensure you have the latest instructions.

Create a Sentry AccountSee All Platforms

Sentry's high-quality tooling helps Disney+ maintain high-quality service to its tens of millions of global subscribers.

Andrew Hay

Director of Streaming Services,

Disney+

Read more Disney+ testimonial

We deploy 10-20 times a day—only possible with Sentry pinpointing issues down to the commit and broken line of code. Instead of hours, fixes take minutes, keeping our team shipping without delays.

Dan Sadler

VP of Engineering,

Rootly

Read more Rootly testimonial

We migrated to Sentry SaaS in under 5 days with just 3 engineers. Now we can focus our efforts on building best in class team collaboration software instead of wasting time maintaining on-prem software.

David Angot

Engineering Manager,

Atlassian

Read more Atlassian testimonial

Sentry helps our team fix the most important issues in each release. We can track how a release is trending by percent of crash-free sessions. With this data, we can remediate issues that impact the most users and move on to building more features.

Byron Dover

Engineering Manager for IT,

Riot Games

Read more Riot Games testimonial

## Trust & security

Security and compliance are top priorities for Sentry because they are fundamental to your experience. We use a variety of industry-standard technologies and services to secure your data from unauthorized access

Contact SalesLearn more about Sentry for Enterprise

## Of course we have more content

### Lunch & Learn: Tracing with Smugmug

Errors are half the story. Left untreated, performance problems can become errors. If your customers experience timeouts...

### Performance Monitoring by Sentry

Built for the developer, Sentry’s performance monitoring cuts the guesswork out of figuring out what’s slowing down your...

### Sentry for Mobile Applications

Mobile app crash reporting and run time errors in a single view, give you a holistic overview of your application's heal...

### Sentry for Gaming

Your game's code is telling you more than what your logs let on. Whether you’re building the latest FPS or a turn-based ...

### Lunch & Learn: Tracing with Smugmug

Errors are half the story. Left untreated, performance problems can become errors. If your customers experience timeouts...

### Performance Monitoring by Sentry

Built for the developer, Sentry’s performance monitoring cuts the guesswork out of figuring out what’s slowing down your...

### Sentry for Mobile Applications

Mobile app crash reporting and run time errors in a single view, give you a holistic overview of your application's heal...

### Sentry for Gaming

Your game's code is telling you more than what your logs let on. Whether you’re building the latest FPS or a turn-based ...

### Lunch & Learn: Tracing with Smugmug

Errors are half the story. Left untreated, performance problems can become errors. If your customers experience timeouts...

### Performance Monitoring by Sentry

Built for the developer, Sentry’s performance monitoring cuts the guesswork out of figuring out what’s slowing down your...

### Sentry for Mobile Applications

Mobile app crash reporting and run time errors in a single view, give you a holistic overview of your application's heal...

### Sentry for Gaming

Your game's code is telling you more than what your logs let on. Whether you’re building the latest FPS or a turn-based ...

## Get monthly product updates from Sentry
### Sign up for our newsletter.

And yes, it really is monthly. Ok, maybe the occasional twice a month, but for sure not like one of those daily ones that you just tune out after a while.

Your Email:\*

Sentry Newsletter Consent\*I want to receive the monthly newsletter and other updates from Sentry. You may unsubscribe at any time.\*

By filling out this form, you agree to our privacy policy. This form is protected by reCAPTCHA and Google's Privacy Policy and Terms of Service apply.

Sign Up

## Fix it, don't observe it.

Get started with the only application monitoring platform that empowers developers to fix application problems without compromising on velocity

Try Sentry for FreeExplore our Sandbox

Company

- About
- Blog
- Careers
- Contact Us
- Trust

Platform

- Error Monitoring
- Tracing
- Session Replay
- Seer
- Logs
- Uptime Monitoring
- Profiling
- Cron Monitoring
- Integrations

Solutions

- Web / Frontend Development
- Mobile Crash Reporting
- Game Crash Reporting
- AI Observability
- Application Performance Monitoring
- Real User Monitoring
- Ecommerce
- Enterprise

Get Help

- Docs
- Help Center
- Status
- Dev Resources

TermsSecurity & CompliancePrivacy

© 2025 • Sentry is a registered Trademark of Functional Software, Inc.

## A peek at your privacy

Here's a quick look at how Sentry handles your personal information (PII).

×

### Who we collect PII from

We collect PII about people browsing our website, users of the Sentry service, prospective customers, and people who otherwise interact with us.

What if my PII is included in data sent to Sentry by a Sentry customer (e.g., someone using Sentry to monitor their app)? In this case you have to contact the Sentry customer (e.g., the maker of the app). We do not control the data that is sent to us through the Sentry service for the purposes of application monitoring.

Am I included?

### PII we may collect about you

- PII provided by you and related to your

- Account, profile, and login
- Requests and inquiries
- Purchases

- PII collected from your device and usage
- PII collected from third parties (e.g., social media)

Tell me more

### How we use your PII

- To operate our site and service
- To protect and improve our site and service
- To provide customer care and support
- To communicate with you
- For other purposes (that we inform you of at collection)

How exactly?

### Third parties who receive your PII

We may disclose your PII to the following type of recipients:

- Subsidiaries and other affiliates
- Service providers
- Partners (go-to-market, analytics)
- Third-party platforms (when you connect them to our service)
- Governmental authorities (where necessary)
- An actual or potential buyer

What do they do?

### We use cookies (but not for advertising)

- We do not use advertising or targeting cookies
- We use necessary cookies to run and improve our site and service
- You can disable cookies but this can impact your use or access to certain parts of our site and service

How can I choose?

### Know your rights

You may have the following rights related to your PII:

- Access, correct, and update
- Object to or restrict processing
- Port over
- Opt-out of marketing
- Be forgotten by Sentry
- Withdraw your consent
- Complain about us

What can I do?

If you have any questions or concerns about your privacy at Sentry, please email us at compliance@sentry.io.

If you are a California resident, see our Supplemental notice.

Read the full policy