An XML file at the root of a domain that lists every URL you want crawlers to index, with optional metadata like last modification date and change frequency.
A clean sitemap accelerates discovery for both search engines and AI crawlers. Best practice: dynamically generate it from your CMS, include only canonical URLs, set <lastmod> on every entry, and reference it from robots.txt.
VibecodeAEO scans your site for all AEO factors weekly and tells you exactly what to fix.