# Obsolete feature

An old HTML feature that current documents should not use.

## What is **Obsolete feature**?

**Obsolete feature** — An old HTML feature that current documents should not use.

Level: Master · [More HTML terms at this level](https://www.ask-codey.com/glossary/subjects/html/master)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/obsolete-feature