User-agent: *
Disallow: /*?*to_page=

User-agent: *
Disallow: /*?*

#block crawler
User-agent: AhrefsBot
User-agent: BLEXBot
User-agent: dotbot
User-agent: MJ12bot
User-agent: Barkrowler
User-agent: sistrix
User-agent: Optimizer 
Disallow:/