seo 2020 subdomain or subfolder which is better for seo seo tutorial 2020

subdomain vs subfolder which one is beneficial for seos?
website :https://digitalspiders.pk/
facebook : https://www.facebook.com/digitalspide...
twitter : https://twitter.com/digitalspiders
mobile number : +923157473756
whatsapp : +923157473756

seo 2020 subdomain or subfolder which is better for seo seo tutorial 2020