User-agent: *
Disallow: action.php?

User-agent: *
Disallow: */archive/*

User-agent: *
Disallow: */catid/*

User-agent: *
Disallow: *catid=*

User-agent: *
Disallow: *blogid=*

User-agent: *
Disallow: *itemid=*

User-agent: *
Disallow: *@*