Why check a blogger before advertising

Advertising with a blogger who has an inflated audience is money thrown away. Bots and dead subscribers don't buy, don't click links and don't leave requests. Yet on the surface such an account looks impressive: hundreds of thousands of followers, "beautiful" numbers. The advertiser's job is not to fall for the counter but to assess whether the audience is real and whether your offer will actually reach it.

The good news: inflation is almost always visible through indirect signs, even without access to the blogger's statistics. In 2026 a few manual checks and a couple of free tools are enough to weed out accounts with a fake audience. Let's break down what to look at, step by step.

Sign 1: engagement (ER) doesn't match the follower count

The main marker is the ratio of reactions to audience. Calculate ER manually: take the average number of likes and comments on the last 10 posts, divide by the follower count and multiply by 100%.

We covered how to calculate ER and the norms by platform in detail in our article on engagement rate.

Sign 2: the quality of comments

Open the comments under several posts and read them. A real audience writes on the topic of the post, argues, asks questions. Inflated comments give themselves away:

Real discussion is hard and expensive to fake, so comments are one of the most reliable indicators.

Sign 3: follower growth dynamics

Sharp vertical spikes on the growth chart are a classic trace of inflation. A real account grows smoothly, with bursts after successful videos or mentions. You can check the dynamics in free blogger analytics services (LiveDune, trendHERO, Popsters and the like) — they show the growth chart and often separately highlight suspicious spikes and the percentage of suspicious followers.

What should especially alert you: a gain of tens of thousands in a day with no viral reason, regular "steps" of the same size, and unfollows right after a gain (bots getting cleaned).

Sign 4: the quality of the audience itself

Many analytics services show the composition of followers: geography, language, share of suspicious and abandoned accounts. What to look at:

Ask the blogger for screenshots of statistics from the profile: reach, traffic sources, geo. A refusal to show statistics is itself a red flag.

How to tell a real audience from an inflated one: a checklist

Let's put it all into a short checklist before buying advertising:

If even two or three points sag, it's better to decline the advertising or request a test integration format with payment based on results. We wrote about why an inflated audience brings no sales at all in the article on why inflation doesn't work, and about the difference between real followers and bots in the article real followers versus bots.