To run a successful business website, Rankingeek focuses on the use of six types of meta tags. Meta Title: This is kept under 60 characters. Meta Description: This is kept under 160 characters. Meta Robots: Used only if there is a need to stop Google from crawling your webpage. Meta refresh Redirects: Used only when it’s necessary. Meta Charset: Used on all web pages. Meta Viewport: Used on all web pages.