If you're using eleventy, you should be able to just add the RSS plugin: https://www.11ty.dev/docs/plugins/rss/ https://www.11ty.dev/docs/plugins/rss/ and easi

If you're using eleventy, you should be able to just add the RSS plugin: https://www.11ty.dev/docs/plugins/rss/ https://www.11ty.dev/docs/plugins/rss/ and easily configure it. If you're using a theme then check to see if it already bundles this.