---
title: "SpeedIndex (Help Center / Glossary / Metrics)"
canonical: "https://www.rumvision.com/help-center/glossary/metrics/speedindex/"
---

Breadcrumbs: [Home](https://www.rumvision.com/?format=md) > [Help Center](https://www.rumvision.com/help-center/?format=md) > [Glossary](https://www.rumvision.com/help-center/glossary/?format=md) > [Metrics](https://www.rumvision.com/help-center/glossary/metrics/?format=md) > SpeedIndex

# SpeedIndex

> This metric is only available in [synthetic monitoring](https://www.rumvision.com/help-center/glossary/monitoring/synthetic-monitoring/?format=md), [WebPageTest](https://www.rumvision.com/help-center/glossary/monitoring/webpagetest/?format=md) being a good example here.