---
title: Server Timing
slug: Glossary/Server_Timing
tags:
  - Glossary
  - Reference
  - Server Timing
  - Web Performance
---
The [Server Timing specification](https://www.w3.org/TR/server-timing/) enables the server to communicate performance metrics from the request-response cycle to the user agent, and utilizes a JavaScript interface to allow applications to collect, process, and act on these metrics to optimize application delivery.

## See also

- <https://www.w3.org/TR/server-timing/>
- [Resource Timing](https://www.w3.org/TR/resource-timing/)
