Two different cases that get confused
"Likes do not work" means either that you cannot like someone else's video, or that people stopped liking yours. These are completely different problems: the first is technical and solved in minutes, the second is about the algorithm and the content. We will cover both.
You cannot leave a like
Causes in descending order of frequency:
- A temporary limit after bulk actions. The most common one. If you scrolled the feed quickly and liked everything in a row, the platform slows your actions for a few hours. This is not a ban and it lifts by itself.
- An outdated app version. The like registers but does not persist after a restart.
- Network problems. The action never reaches the server and the counter rolls back.
- The creator limited interaction. Reactions can be disabled for an individual video.
- You were blocked. Then both the profile and its videos are unavailable.
- Age-based account limits. Profiles registered as belonging to teenagers have some actions restricted.
Order of checks: wait an hour, update the app, sign out and back in, try liking a different video. If it works on another video, the issue is that specific creator or their settings, not your account.
People stopped liking your videos
Here technology has almost nothing to do with it. A like on TikTok is an action that follows a completed watch: a viewer rarely reacts to a video they scrolled past halfway. So a fall in reactions almost always means a fall in retention rather than a change in how the audience feels.
- Videos got longer. The same idea stretched twice as long loses half the completions, and the reactions with them.
- There is no reason to react. The video is informative but closed: no question, no argument, no recognition.
- The topic changed. The old audience is no longer shown your videos and the platform has not found a new one yet.
- Inactive followers accumulated. The first group of viewers consists of them, reacts weakly, and distribution stops.
- The topic burned out. Viewers have seen the idea from a dozen creators and treat it as background.
How to tell one from the other
Compare two numbers in your statistics for the period when likes were there and for the current one: average views and reactions per thousand views.
If views are unchanged while reactions per thousand fell, the issue is the content: people watch but do not want to react. If both views and reactions fell, the problem is wider, the platform stopped distributing the videos, and retention is where to start. And if likes do not register on any video at all while you also cannot like anything yourself, that is the technical limit from the first section.
What to do
- Shorten your videos. Short videos get completed more often, and a like follows a completion.
- Ask a question at the end. A viewer needs a reason to react, not a request to hit like.
- Leave room for disagreement. A claim part of the audience will dispute collects several times more reactions than a neutral one.
- Reply to comments. An author's reply lifts the thread and provokes new reactions.
- Do not like in batches yourself. That is the main cause of temporary action limits.
When it makes sense to support reactions
A separate case is a video that is objectively decent while the first group of viewers responded weakly and distribution stopped at the start. The platform decides a video's fate from its first hours, and if those are empty it has nothing to evaluate.
Starting reactions provide that signal. The conditions are the usual ones: gradual delivery, because a hundred likes in a minute on an account that normally gets twenty a day looks unnatural, and live content, because supported reactions will not make a viewer watch to the end. Suitable services with stated speed are in the TikTok likes category.