How many types of Meta Tags are there in SEO and what are their characters limits?

There are four types of meta tags in SEO
Meta Keyword Attribute
Title Tag
Meta Description Attribute
Meta Robots Attributes

(There are more than four kinds of meta tags, but some are less common or not relevant to web marketing). The four types we'll discuss here are: Meta Keywords Attribute - A series of keywords you deem relevant to the page in question. Title Tag - This is the text you'll see at the top of your browser.

The 4 types of meta tags are:

- Meta title tag
- Meta description tag
- Meta keywords tag
- Meta robots tag