--- title: "robots.txt has no absolute Sitemap: line (seo/robots-sitemap-directive)" description: "seo/robots-sitemap-directive: The Sitemap directive is how crawlers other than Google (Bing, AI search crawlers) find your sitemap; it must be an absolute…" canonical: https://void-design.vercel.app/rules/seo/robots-sitemap-directive lastModified: 2026-09-16 --- # robots.txt has no absolute Sitemap: line `seo/robots-sitemap-directive` · severity **warn** · category SEO · detected by `void seo` and `void audit` ## Why it matters The Sitemap directive is how crawlers other than Google (Bing, AI search crawlers) find your sitemap; it must be an absolute URL. ## How to fix it Return sitemap: 'https://your.site/sitemap.xml' from app/robots.ts. ## References - https://developers.google.com/search/docs/crawling-indexing/sitemaps/build-sitemap#addsitemap ## More seo rules `void seo` reports 60 rules in this category. What search engines need from the raw response: status codes, titles and descriptions in , self-referencing canonicals, one h1, crawlable links, Open Graph, icons, robots.txt and a sitemap with real dates. - `robots-txt-missing` No robots.txt — [seo/robots-txt-missing](https://void-design.vercel.app/rules/seo/robots-txt-missing) - `robots-txt-invalid` robots.txt serves HTML, exceeds 500 KiB, or has unparseable lines — [seo/robots-txt-invalid](https://void-design.vercel.app/rules/seo/robots-txt-invalid) - `robots-blocks-all` robots.txt disallows the site for * / Googlebot / Bingbot — [seo/robots-blocks-all](https://void-design.vercel.app/rules/seo/robots-blocks-all) - `robots-blocks-resources` robots.txt blocks JS/CSS needed to render — [seo/robots-blocks-resources](https://void-design.vercel.app/rules/seo/robots-blocks-resources) - `sitemap-missing` No reachable sitemap — [seo/sitemap-missing](https://void-design.vercel.app/rules/seo/sitemap-missing) - `sitemap-invalid` Sitemap isn't valid sitemap XML or exceeds protocol limits — [seo/sitemap-invalid](https://void-design.vercel.app/rules/seo/sitemap-invalid) - `sitemap-url-invalid` Sitemap is relative or on another host — [seo/sitemap-url-invalid](https://void-design.vercel.app/rules/seo/sitemap-url-invalid) - `sitemap-lastmod` invalid, in the future, or identical across entries — [seo/sitemap-lastmod](https://void-design.vercel.app/rules/seo/sitemap-lastmod) Detected by `void seo` and `void audit`. Explain it in a terminal: `void rules seo/robots-sitemap-directive`