Quick answer
For separate mobile URLs you can use same sitemap or mobile-specific.
Sitemap Mobile URLs
For separate mobile URLs you can use same sitemap or mobile-specific. Keep URLs consistent.
Common causes
- Wrong mobile URL in sitemap.
- Missing alternate.
How to fix
- List correct mobile URL if separate.
- Use rel alternate in HTML.
FAQ
- Mobile in sitemap?
- Same or separate URLs.
- Required?
- No; depends on setup.
Fix it now
Try in validator (prefill this example)