subdomain penalty

Just wondering if theres any benefits (or disadvantages) to hosting your site's blog on a subdomain, e.g. blog.website.com? Appreciate any tips!

Was wondering what peoples thoughts on why USAToday is doing amp subdomain instead of just adding amp to the end of the url? I can't find anything online about it. In the past I have moved lots of blogs and mobile pages from sub domains for an increase in SEO (even though google swares it does...

Hi there, I have a new website about travel and holiday topic. On this website I will be writing articles about travel and holidays topic. My question is, can I create a subdomain such as "blog. mainsite" and on this subdomain, I will be sharing all sort of topics, especially sharing viral...

I have 2 domains hosted in the same cpanel. suppose the main domain is XYZ and the other domain PQR. now since they are hosted in the shared cpanel, PQR also opens as a sub domain of the main domain. now will the spammy activites of PQR will affect the ranking of XYZ ??? Will XYZ attract...