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https://sentry.io

Stop hoping your users will report errors

6,393

https://openreplay.com/

OpenReplay is developer-friendly, open-source session replay.

4,965

Declarative tracking for React apps.

1,639

https://rollbar.com/

Error tracking software

https://zizzamia.github.io/perfume/

Web performance library for measuring all User-centric performance metrics

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https://www.smartlook.com

Analyze user behavior in ways never possible before

https://www.hotjar.com

The fast & visual way to understand your users

https://getfal.co

Falco helps you monitor, analyze, and optimize your websites.

766

https://www.monitis.com/

Website performance monitoring platform

https://github.com/sanathp/statusok

Monitor your Website and APIs from your Computer.

1,548

https://uptimerobot.com/

Downtime Happens. Get Notified!

https://snyk.io/

Securing open source packages throughout your modern development process

4,011

https://www.fullstory.com/

Do you know the truth about your customer's digital experience?

https://calibreapp.com/

Build better, faster products

https://logrocket.com/

Stop guessing why bugs happen

https://gtmetrix.com/

How fast does your website load?