# Website performance monitoring tool

DevFeed: [Website performance monitoring tool](<https://devfeed.tech/articles/website-performance-monitoring-tool-20735.md>)

Original publisher: [Read original article](<https://blog.fedecarg.com/2016/08/01/website-performance-monitoring-open-source-tool/>)

Author: Federico

Published: 2016-08-01T16:54:00Z

Content type: article

Language: en

Sources: [Federico Cargnelutti](<https://devfeed.tech/sources/federico-cargnelutti.md>)

Topics: [Monitoring](<https://devfeed.tech/topics/monitoring.md>), [Website](<https://devfeed.tech/topics/website.md>), [dashboards](<https://devfeed.tech/topics/dashboards.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [Self-hosted](<https://devfeed.tech/topics/self-hosted.md>), [GitHub](<https://devfeed.tech/topics/github.md>)

Tags: [dashboards](<https://devfeed.tech/tags/dashboards.md>), [github](<https://devfeed.tech/tags/github.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [monitoring](<https://devfeed.tech/tags/monitoring.md>), [node-js](<https://devfeed.tech/tags/node-js.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [performance-metrics](<https://devfeed.tech/tags/performance-metrics.md>), [performance-monitoring](<https://devfeed.tech/tags/performance-monitoring.md>), [self-hosted](<https://devfeed.tech/tags/self-hosted.md>), [slack](<https://devfeed.tech/tags/slack.md>), [tool](<https://devfeed.tech/tags/tool.md>), [tools](<https://devfeed.tech/tags/tools.md>), [web](<https://devfeed.tech/tags/web.md>), [web-apps](<https://devfeed.tech/tags/web-apps.md>), [web-services](<https://devfeed.tech/tags/web-services.md>)

## AI overview

The article introduces SpeedTracker, an open-source, MIT-licensed, self-hosted tool that runs on WebPageTest to periodically test website performance. It visualizes performance metrics over time, supports performance budgets, and can send alerts by email or Slack.

## Source excerpt

Monitoring systems allow you to monitor changes to your front-end code base over time, catching any regression issues and monitoring the ongoing effects of any performance optimisation changes. Easy to use dashboards are a must when it comes to monitoring the state of your web apps. Companies like Calibre or SpeedCurve offer this as a [...]