Optimization of advertising campaigns

Business is a translation service. He thoroughly restructed the account, expanded semantics with new keywords and optimized advertising campaigns. After the connection of the calltracking, the total number of conversions in analytics increased, but according to the client, the number of applications increased by 20%, with a budget reduction of 2.5 times. The image shows the statistics of new advertising campaigns, the comparison was carried out in the entire account with the old advertising campaigns.
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