My site has been archiving our newsletters since 2001. And our site visitors can search a database for ideas from those newsletters. ( There are hundreds of pages with similar titles: archive1-Jan2000, archive2-feb2000, archive3-mar2000, etc.)
I see they are being marked as "similar content." However, the actual page content is not the same. Could this adversely affect SEO? And if so, how can I correct it?
Would a separate folder of archived pages with a "nofollow robot" solve this issue? Would my site visitors still be able to search within the site with a nofollow robot?
