How to prevent search engines from indexing a single page of my website?

Question

I don\'t want the search engines to index my imprint page. How could I do that?

Answer 1

A robot wants to vists a Web site URL, say http://www.example.com/welcome.html. Before it does so, it firsts checks for http://www.example.com/robots.txt, and finds: you can explicitly disallow :

User-agent: *
Disallow: /~joe/junk.html

please visit below link for details robots.txt