Hello Friends,

I Want to know that What is the role of robot.txt In Seo..?

Alexa.com is a website that ranks websites based on traffic, so in terms of SEO, moving up or down the ranks of Alexa is indicative of how effective your SEO campaign has been.

Robots.txt is a text file that lists webpages which contain instructions for search engines robots. The file lists webpages that are allowed and disallowed from search engine crawling.