Below is an example list of analytics events recommended for a simple ecommerce company with product pages, category pages, search functionality, a newsletter, account creation, and typical product cart and checkout flows.
description: user subscribes to newsletter
action: signup
method: newsletter
description: user performs search on site
action: search
search_term: search query
description: user selects a search result
action: select
label: selected product ID
description: user views category page
action: view_item_list
item_list_id: category ID
description: user views product page
action: view_item
items: product ID