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Thanks a lot, Tom. I appreciate your time and thorough response. This is exactly what I have been looking for to validate my suggestions and assumptions. I have been careful when implementing each and every annotation in the sitemap, I think I get it right and let's see what will happen.

Cheers,

Annie

Hey Mozzers,Here is the case that I would appreciate your reply for: I will build a sitemap for .com domain which has multiple domains for other countries (like Italy, Germany etc.). The question is can I put the hreflang annotations in sitemap1 only and have a sitemap 2 with all URLs for EN/default version of the website .COM. Then put 2 sitemaps in a sitemap index. The issue is that there are pages that go away quickly (like in 1-2 days), they are localised, but I prefer not to give annotations for them, I want to keep clear lang annotations in sitemap 1. In this way, I will replace only sitemap 2 and keep sitemap 1 intact. Would it work? Or I better put everything in one sitemap?The second question is whether you recommend to do the same exercise for all subdomains and other domains? I have read much on the topic, but not sure whether it worth the effort.The third question is if I have www.example.it and it.example.com, should I include both in my sitemap with hreflang annotations (the sitemap on www.example.com) and put there it for subdomain and it-it for the .it domain (to specify lang and lang + country).Thanks a lot for your time and have a great day,Ani