Я ненужным ботам вообще закрыл доступ. В htaccess добавил:
RewriteEngine on
RewriteCond %{HTTP_USER_AGENT} liveinternet [OR]
RewriteCond %{HTTP_USER_AGENT} WebAlta [OR]
RewriteCond %{HTTP_USER_AGENT} Yanga [OR]
RewriteCond %{HTTP_USER_AGENT} Twiceler [OR]
RewriteCond %{HTTP_USER_AGENT} Flexum [OR]
RewriteCond %{HTTP_USER_AGENT} Aport [OR]
RewriteCond %{HTTP_USER_AGENT} Slurp [OR]
RewriteCond %{HTTP_USER_AGENT} msnbot [OR]
RewriteCond %{HTTP_USER_AGENT} ia_archiver [OR]
RewriteCond %{HTTP_USER_AGENT} libwww-perl
RewriteRule ^(.*)$ - [F,L]
RewriteEngine on
RewriteCond %{HTTP_USER_AGENT} liveinternet [OR]
RewriteCond %{HTTP_USER_AGENT} WebAlta [OR]
RewriteCond %{HTTP_USER_AGENT} Yanga [OR]
RewriteCond %{HTTP_USER_AGENT} Twiceler [OR]
RewriteCond %{HTTP_USER_AGENT} Flexum [OR]
RewriteCond %{HTTP_USER_AGENT} Aport [OR]
RewriteCond %{HTTP_USER_AGENT} Slurp [OR]
RewriteCond %{HTTP_USER_AGENT} msnbot [OR]
RewriteCond %{HTTP_USER_AGENT} ia_archiver [OR]
RewriteCond %{HTTP_USER_AGENT} libwww-perl
RewriteRule ^(.*)$ - [F,L]