Sunt pe bune intrebari frecvente, adica vad destul de des pe forumuri chestiuni legate de asa ceva. Oricum, ce mi s-a parut mie interesant si am vazut ca s-a intrebat recent :

Q: Will a Sitemap help me rank better?
A: A Sitemap does not affect the actual ranking of your pages. However, if it helps get more of your site crawled (by notifying us of URLs we didn’t previously didn’t know about, and/or by helping us prioritize the URLs on your site), that can lead to increased presence and visibility of your site in our index

Si

Q: I’ve heard about people who submitted a Sitemap and got penalized shortly afterward. Can a Sitemap hurt you?
A: Only if it falls on you from a great height. (Seriously, though: if it ever happened that someone was penalized after submitting a Sitemap, it would have been purely coincidental. Google does not penalize you for submitting a Sitemap.)

Mai multe cititi aici.