Hero
A clear indicator it's a blog, whether it's for an individual, team or company
Navigation
A logo, links to visit, a CTA, and potentially a search function
Layout
How sections and blog posts are structured
Blog post preview
The visuals and text of a blog post
Social sharing tools
Ability for the user to share or send the blog to other
Description
Summarise what's covered in the blog — shown in the hero
Tags and/or categories
A topic that can be attached to a blog post for convenient filtering
Search function
Have lots of posts? Search makes it easier for the user to find the content they desire
Opt-in for subscription
A signup form for users to complete to make them a subscriber of the blog's content
Sidebar
This can contain additional links and resources that support the blog posts e.g. search function, popular posts, trending topics
Pagination
Break up your content into pages after 10-20 items (there are pros and cons on both sides of the pagination vs infinite scroll argument, so go with what suits your product better!)
Comments
A section for discussion that users can join and contribute to