User-agent: *
Disallow: /administrator/
Disallow: /cache/
Disallow: /components/
Disallow: /images/
Disallow: /includes/
Disallow: /installation/
Disallow: /language/
Disallow: /libraries/
Disallow: /media/
Disallow: /modules/
Disallow: /plugins/
Disallow: /templates/
Disallow: /tmp/
Disallow: /xmlrpc/

user-agent: MJ12bot
disallow: /

user-agent: AhrefsBot
disallow: /

user-agent: SolomonoBot
disallow: /

user-agent: rogerbot
disallow: /

user-agent: SemrushBot
disallow: /

user-agent: Blekkobot
disallow: /