Вот правильный robots.txt для dle 9.7. Индексируются только категории и новости.
User-agent: *
Allow: /uploads/posts/
Disallow: /engine/go.php
Disallow: /user/
Disallow: /newposts/
Disallow: /statistics.html
Disallow: /*subaction=userinfo
Disallow: /*subaction=newposts
Disallow: /*do=lastcomments
Disallow: /*do=feedback
Disallow: /*do=register
Disallow: /*do=lostpassword
Disallow: /*do=addnews
Disallow: /*do=stats
Disallow: /*do=pm
Disallow: /favorites/
Disallow: /cache/
Disallow: /cgi-bin/
Disallow: /page/
Disallow: */page/*
Disallow: /tags/
Disallow: /2012/
Disallow: /2013/
Disallow: /engine/
Disallow: /engine/download.php
Disallow: /language/
Disallow: /templates/
Disallow: /uploads/
Disallow: /backup/
Disallow: /lastnews/
Disallow: /catalog/
Disallow: /autobackup.php
Disallow: /admin.php
Disallow: /banners/
Disallow: /*action=mobile$
Disallow: /do=*
Disallow: /*do=*
Disallow: /?*
Sitemap:
http://site.ru/sitemap.xml
User-agent: Yandex
Allow: /uploads/posts/
Disallow: /engine/go.php
Disallow: /user/
Disallow: /newposts/
Disallow: /statistics.html
Disallow: /*subaction=userinfo
Disallow: /*subaction=newposts
Disallow: /*do=lastcomments
Disallow: /*do=feedback
Disallow: /*do=register
Disallow: /*do=lostpassword
Disallow: /*do=addnews
Disallow: /*do=stats
Disallow: /*do=pm
Disallow: /favorites/
Disallow: /cache/
Disallow: /cgi-bin/
Disallow: /page/
Disallow: */page/*
Disallow: /tags/
Disallow: /2012/
Disallow: /2013/
Disallow: /engine/
Disallow: /engine/download.php
Disallow: /language/
Disallow: /templates/
Disallow: /uploads/
Disallow: /backup/
Disallow: /lastnews/
Disallow: /catalog/
Disallow: /autobackup.php
Disallow: /admin.php
Disallow: /banners/
Disallow: /*action=mobile$
Disallow: /do=*
Disallow: /*do=*
Disallow: /?*
Sitemap:
http://site.ru/sitemap.xml
Host: site.ru