The first 3 seconds of a TikTok video

A hook does not have to be exciting. It has to make staying feel cheaper than leaving. That is a much lower bar, and it explains why quiet openings often outperform loud ones: a person filling a glass slowly holds attention because you want to know what happens to the glass, while a shouted "GUYS, this is INSANE" tells you the whole emotional arc up front and leaves nothing to find out.

So the useful question is not "is my opening interesting" but "what does the viewer not yet know, and can they tell they do not know it". If the answer is nothing, the video is finished before it starts, no matter how good second twelve is.

Greeting first. "Hey guys, welcome back" spends the only three seconds you were given on information the viewer did not ask for. Nobody has ever stayed for a greeting.

Context first. Explaining the setup before showing the thing assumes the viewer has agreed to watch. They have not. Show the thing, explain while they are watching.

The full summary. Announcing the payoff in the first line answers the question that would have kept them there. If the caption already gives it away, the video has to offer something the caption did not.

A cold static frame. A frame with no motion, no face and no text reads as a photo to a thumb travelling at speed. Something has to move, or something has to be legible in one glance.

Starting mid-sentence with no subject. Dropping viewers into the middle of a thought only works when the frame carries the subject on its own. If both the audio and the image need catching up on, the viewer does neither.

State the outcome, hide the method. "This cost me nine dollars" works because the thing you want — how — is behind the rest of the video. It also survives being watched with the sound off, which a surprising share of viewers do.

Start at the most visually strange moment. Not the beginning of the process, the middle of it. Chronology is a habit, not a requirement, and the first frame is worth more than the story being in order.

Name the viewer precisely. "If you have ever repainted a room and hated it in daylight" filters out everyone else and locks in the people it describes. A narrow hook on a small audience beats a broad hook on nobody.

Watch your own first three seconds with the sound off, at arm’s length, once. If you cannot say what the video is about, neither can a stranger who did not shoot it.

Then check it against the thing the algorithm checks. Run the clip through the viral checker and read two numbers: the hook score and the retention curve. The curve matters more than the score, because it shows the second people leave rather than telling you they will. If the drop is inside the first two seconds, the opening is the problem. If it holds for six seconds and then falls off a cliff, the hook worked and the middle did not — a different fix entirely, and one you would have got wrong by rewriting the opening again.