What is this robot.txt file. I am seen it many a times when reading about SEO and am never able to make any sense of it. Should we use a robot.txt file when it comes to SEO ?
it must be used to avoid duplicate content example www.blog.com/post www.blog.com/category/post blothurls have some contnet google conside even that as duplicate so block category from crawling will help
If you need help regarding robots.txt, check my sig link. It's a guide on how to tweak your robots.txt file.
You should avoid robot.txt file, however for more information you might view this site www.motive.co.nz/glossary/robots.php