User-agent: Opebot-v
Allow: /

#User-agent: AhrefsBot
#Crawl-delay: 10

#User-agent: YandexBot
#Crawl-delay: 10

#User-agent: CriteoBot
#Crawl-delay: 10

#User-agent: DotBot
#Crawl-delay: 10

#User-agent: AmazonAdBot
#Crawl-delay: 10

# No delay for Googlebot
User-agent: Googlebot
Disallow:

# No delay for Bingbot
User-agent: Bingbot
Disallow:

# No crawling of following tag urls
Disallow: /*?utm_source=*
Disallow: /*?utm_medium=*
Disallow: /*?utm_campaign=*
Disallow: /*?kref=*
Disallow: /*?uuid=*
Disallow: /*?ref=*
Disallow: /*?nab=*
Disallow: /*?kuid=*