.Google's John Mueller encourages internet site owners on dealing with obsolete AMP subdomains, recommending redirects or comprehensive DNS removal.Mueller highly recommends either keeping 301 redirects or even taking out the amplifier subdomain totally from DNS.For sites along with 500,000 webpages, crawl budget plan effect from legacy AMP URLs isn't a significant worry.AMP subdomains have their very own different crawl budget plan coming from the major domain name.