.Google.com's John Mueller recommends website proprietors on managing old AMP subdomains, recommending redirects or even full DNS extraction.Mueller encourages either keeping 301 redirects or removing the amplifier subdomain totally from DNS.For web sites along with 500,000 pages, crawl finances impact coming from tradition AMP URLs isn't a primary concern.AMP subdomains possess their personal distinct crawl spending plan coming from the main domain name.