Historical conversion data
The Revive algorithm operates based on historical conversion data.
If keywords never had impressions, this algorithm will not increase their bid.
Since Scale Insights can only extract 60 days of advertising data from new accounts, there may not be sufficient data for the algorithm to work as intended initially.
Inch-up approach with bidding algorithm
Many sellers increasingly prefer to use bidding rules to raise bids for keywords with no recent traffic.
This approach is straightforward, easy to understand, set up, and works on new keywords without historical data.