Google WAS actually giving additional ranking benefits to subdomains like this. Especially subdomains like coupons.domain.com. However, just recently Google hi

Google WAS actually giving additional ranking benefits to subdomains like this. Especially subdomains like coupons.domain.com. However, just recently Google hit these sites hard--giving those subdomains penalties. So this "parasite SEO" is really no longer an issue, especially the subdomain "trick". See https://www.seroundtable.com/google-penalizing-subdomains-leasing-28203.html https://www.seroundtable.com/google-penalizing-subdomains-le...