Alexa score for any site must fall within the first 2 million. No exceptions.
Faucets without content are immediately rejected.
Alexa score reflects the net traffic within the previous three months, it both means the faucet is relatively old with decent traffic.
I would suggest to consider sites that have healthy traffic and whats they traffic source. instead of Alexa score.
Kindly have 30 free minutes of your time to read the publisher TOS at https://adbitpro.com/index.php?rules
as regards your suggestion, adbitpro Publisher Terms states clearly in section 4 traffic sources:
4. Traffic sources:
4.1 Traffic to publisher's website should be organic i.e. natural traffic from search engines.
4.2 AdBitPro ads may not be placed on pages receiving traffic from certain sources. For example, publishers may not participate in continuous paid-to-click (PTC) programs as a permanent or primary source of traffic, send unwanted emails or display ads as the result of the action of any software application.
4.3 To ensure a positive experience for Internet users and AdBitPro advertisers, websites displaying AdBitPro ads may not:
a) Use third-party services that generate clicks or impressions such as paid-to-click, paid-to-surf, auto-surf and click-exchange programs as a permanent or primary source of traffic.
b) Be promoted through unsolicited mass emails.
c) Be loaded by any software that redirects users to unwanted websites, modify browser settings or otherwise interfere with website navigation. It is your responsibility to ensure that no ad network or affiliate uses such methods to direct traffic to pages that contain your AdBitPro code.
4.4 Traffic to bitcoin faucets is allowed to be from rotators provided that the faucet has a reasonable ratio of meaningful content to adverts per page on the faucet website. We will immediately reject any page that just contains adverts, or has a very small amount of useful content.
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Kindly note that the approval process of any application is based on a combination of all criteria stated here https://adbitpro.com/index.php?rules