Promotion of a mom blog, trial work period of 3 days

The goal of the advertising campaign was to gain subscribers for the blog. Elina approached me with a ready-made page for launching the advertisement; the blog is well-designed.

The advertisement was launched with the goal of traffic.

Elina's page before the start of the advertising campaign had 1597 subscribers.
After 3 days, the advertisement was turned off with the following results:
Number of clicks: 338
Cost per click: 1.94 rubles.
Number of subscribers: 190 people
Cost per subscriber: 6.16 kopecks.
Advertising expenses: 1171.02 rubles.