An advertiser using viewable cost-per-thousand impressions (vCPM) bidding wants to maximize exposure on a specific set of sites selected for a new campaign. Which is a best practice when setting up the campaign?
- Create a campaign for each website
- Set bids at the ad group or campaign level
- Choose websites that represent a variety of themes
- Set bids on individual placements
Get more (or less) traffic from placements by setting individual placement bids:
If you find that advertising on a specific site works well, you may decide to increase your bid for just that one site to be more competitive and increase your potential exposure on that site.
Read more here: https://support.google.com/adwords/answer/2470108?hl=en