Paste your URL list — get a valid sitemap.xml.
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sitemap.xml to your site root (e.g. https://example.com/sitemap.xml)robots.txt: Sitemap: https://example.com/sitemap.xmlGoogle has confirmed it largely ignores the priority and changefreq fields. They're hints, not commands. Focus on lastmod — that one is still used to detect changed pages.
URLs stay in your browser. Nothing is uploaded.