Web Launch & SEO
Next.js Sitemap Validator
Validate sitemap XML locally for structure, syntax, and Next.js sitemap pitfalls without leaving your browser.
Validate sitemap XML privately in your browser
Paste sitemap XML or load a local .xml file to check structure, sitemap rules, and Next.js sitemap guidance with deterministic local processing only.
URL count
0
Error count
0
Warning count
0
Duplicate count
0
Validation summary
Waiting- Overall result: Run validation
- Sitemap type: unknown
Findings by severity
Errors
0No findings in this severity group.
Warnings
0No findings in this severity group.
Informational guidance
0No findings in this severity group.
Passes
0No findings in this severity group.
Normalized XML preview
Validate a parseable sitemap to preview normalized XML.
Next.js guidance
- Next.js App Router commonly uses app/sitemap.ts or app/sitemap.js.
- MetadataRoute.Sitemap object keys are not XML tags.
- Generated XML should include absolute loc values.
MetadataRoute.Sitemap example appears after validation.
Limitations
A valid sitemap does not guarantee that search engines will crawl or index every URL. Review your robots.txt, canonical URLs, status codes, and Search Console reports as part of a wider technical SEO process.