Very simple question. Many sites use urls like www.mysite.com/search.aspx?sw=searchword and google will see these pages and no doubt index them. On a large site is this best? as it could duplicate loads of content: www.mysite.com/search.aspx?sw=searchword www.mysite.com/search.aspx?sw=search+word www.mysite.com/search.aspx?sw=search+wor www.mysite.com/search.aspx?sw=earchword Would it be better to set the webmaster console to ignore the SW parameter if the content is avaliable through other normal category routes on the site.
I think google "understands" this stuff and it won't harm your site. Especially as they offer to configure your search string variable name in analytics to track them. Maybe also use q instead of sw as variable name as it's the most common name for searchstring variables.