Sitemap Generator (Lite)
Generate a valid XML sitemap with lastmod dates and correct structure, and learn which URLs belong in it and which do not.
Last reviewed by the Radiatus Cloud team
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Radiatus delivers secure cloud, DevOps & compliance engineering.
A sitemap is a discovery aid, not a ranking factor
Submitting a sitemap does not make pages rank and does not guarantee indexing. It helps search engines find URLs, which matters most for large sites, sites with weak internal linking, and new sites with few inbound links. For a well-linked twenty-page site it changes almost nothing. Its real value on a large site is diagnostic: Search Console reports indexed versus submitted per sitemap, so splitting by section tells you which part of the site is failing to get indexed.
Only include URLs you want indexed
This is the rule most sitemaps break. Every URL listed should return 200, be canonical to itself, and be indexable. Including a URL that redirects, 404s, is blocked in robots.txt, or carries a noindex tag creates a direct contradiction, and Search Console reports it as an error. A page canonicalised to another URL should not be listed either; list the canonical target instead.
lastmod only helps if it is honest
Google has said it uses lastmod when it is consistently accurate. A build process that stamps today's date on all 1,000 URLs on every deploy teaches crawlers the field is meaningless, and they stop using it. Set lastmod from the date the page content genuinely changed, and omit it entirely rather than faking it.
changefreq and priority are ignored
Google has confirmed it does not use either. Priority values are relative within your own site and were always self-reported, so they carried no information. Emitting them on every URL adds bytes and no signal. Keep loc and lastmod, drop the rest.
Limits and splitting
A single sitemap holds 50,000 URLs and 50 MB uncompressed. Beyond that you need multiple files referenced from a sitemap index. Splitting well below the limit is often worth it anyway, by section rather than arbitrarily, purely for the per-sitemap indexing report.
Submitting
Reference the sitemap from robots.txt with an absolute URL, which every major engine reads, and submit it in Search Console and Bing Webmaster Tools. Resubmitting after every change is unnecessary; crawlers re-fetch it periodically.
Related tools
- Meta Tag Analyzer — Check a page's meta tags for the problems that actually affect indexing and click-through.
- Redirect Chain Checker — Trace the full path of redirects (301/302) to find loops or lost link juice.
- Robots.txt Validator — Validate robots.txt syntax and check whether a specific URL is allowed or blocked for a given crawler.
- Broken Link Checker (Lite) — Scan a page for broken links (404s) to improve SEO.
Frequently Asked Questions
Does a sitemap improve rankings?
No. It aids discovery, which matters for large sites, poorly linked sites and new sites. It does not influence ranking and does not guarantee indexing. Its most useful property is the per-sitemap indexing report in Search Console.
Should I include every page?
Only pages you want indexed. Every URL should return 200, be self-canonical and be indexable. Listing redirects, 404s, noindexed pages or robots-blocked URLs creates contradictions that Search Console reports as errors.
Do changefreq and priority matter?
No. Google has confirmed it ignores both. Priority was always self-reported and relative to your own site, so it carried no information. Keep loc and lastmod and omit the rest.
How accurate does lastmod need to be?
Accurate enough to be trusted. Stamping the build date on every URL on each deploy trains crawlers to ignore the field entirely. Use the date the content genuinely changed, or omit the element.
When should I split into multiple sitemaps?
Above 50,000 URLs or 50 MB you must, using a sitemap index. Below that, splitting by section is still worthwhile because Search Console reports indexed versus submitted per sitemap, isolating which section has a problem.
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Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.
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