Glossary / Technical
sitemap.xml
What is sitemap.xml?
Last updated
In practice
Why it matters for AI visibility
A sitemap will not win you answers, but it decides how quickly the engines notice the work that might. Search-index bots discover and prioritise through sitemaps, and the AI engines building citation indexes have crawl budgets a small site is fighting for; a clean sitemap with honest lastmod dates is how your updated pricing page gets refetched this week rather than whenever your turn comes round. Honesty is the operative word: lastmod only earns attention if it tells the truth, and CMSs that stamp every URL with today's date on every regeneration teach crawlers to ignore yours entirely. The hygiene list is short: include only live, indexable pages, keep it generated rather than hand-maintained so nothing new is forgotten, update lastmod when content genuinely changes and never otherwise, and declare the sitemap in robots.txt where every crawler you have allowed will find it. It takes five minutes to verify and sits upstream of every freshness-sensitive answer about you.
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Related terms
Sources
- sitemaps.org protocol reference (accessed 7 August 2026)
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