In this article
Slow mode makes every member wait a set interval between messages. It is presented as a single dial from ten seconds to an hour, as though the values were degrees of the same treatment.
They are not. Each one produces a different kind of room, and the difference between thirty seconds and fifteen minutes is not strictness — it is whether the thing you are running is still a conversation.
What you will be able to do after this step
- check_circle Choose an interval by what you want the room to become.
- check_circle Explain why you as an administrator never feel your own setting.
- check_circle Say what slow mode does about spam, which is less than people assume.
- check_circle Apply it to one part of a community rather than all of it.
timer What members experience
With slow mode on, sending a message starts a countdown. The send control turns into a timer showing how long remains, and nothing can be sent until it finishes. There is no queue and no penalty — you simply wait.
Two details shape how it feels. The countdown is visible, so nobody is guessing why their message will not go, and it applies per person rather than to the room, so a quiet member is never blocked by a busy one.
And the crucial one: administrators are exempt. Whatever you set, you do not experience it, which is the reason so many groups are running an interval their owner would find intolerable. If you are going to set something above a minute, spend an afternoon in the room from an account that is not an administrator, or take the exemption off yourself while you decide.
Four intervals, four different rooms
Read these as descriptions of what the group becomes rather than as levels of severity.
It is still a conversation, with fewer fragments
At this interval people can talk normally. What it stops is the habit of sending one sentence across four messages, which is the single largest cause of an unreadable group and is not spam at all — it is how most people type on a phone.
The effect on the room is subtle and almost entirely good. Messages get slightly longer, the feed slows to something a reader can follow, and nobody feels restricted because ten seconds is roughly how long it takes to compose a second thought anyway.
This is the setting to try first in any group that has become hard to read. If it solves the problem, nothing stronger is warranted.
The lightest useful setting. Stops sentence-splitting without changing what the room is — start here.
Conversation with a deliberate pace
Long enough that people write a complete thought, short enough that a genuine exchange survives. This is the working default for a large busy group, and the interval most communities settle at after experimenting.
It changes behaviour in a way worth naming: members begin reading before writing, because a reply costs them their turn. Questions get answered once and properly rather than by six people simultaneously typing the same thing.
The cost is on fast exchanges. Two people trying to sort something out between them will find it frustrating, and the right response is for them to take it to a direct message rather than for you to lower the interval.
The realistic default for a big room. A conversation still happens; it simply has a tempo.
Not a conversation any more — a submissions box
At this length, nobody is talking to anybody. A member posts, and by the time they may post again the thread has moved on entirely. What you have is a room where people submit things and moderators respond.
That is a legitimate shape, and it suits some rooms exactly: a queue for questions that staff answer, a place for reports, a wall where people post work. It is a bad shape if you imagined a community, because members will stop expecting to be part of an exchange and most will stop coming.
Be honest about which you are creating, and preferably say so in the description, so people arrive with the right expectation instead of concluding the group is broken.
A real tool for queues and submissions. Choosing it for a community turns members into applicants.
Read-only in everything but name
One message an hour is not a rate limit; it is a way of closing the room while leaving the door ajar. Almost nobody will post twice, so in practice the group becomes a broadcast with an occasional interruption.
There are two honest uses. As a temporary measure during an incident — a flood, a brigading episode, an argument that needs cooling — where it buys hours without banning anybody. And as a deliberate holding state for a room you are winding down.
As a permanent setting it is the wrong tool for what you want. If members should not be posting, a channel with a discussion group attached, from Step 075, does that cleanly and without pretending to be a conversation.
A temporary brake, not a configuration. If you want a broadcast, run a channel rather than a group nobody can speak in.
shield What it does about spam, and what it does not
Slow mode is filed under anti-flood measures and it is worth being precise about which floods it stops.
It fixes readability. One person or a dozen excited people filling the screen faster than anybody can read is exactly the problem an interval solves, and it solves it immediately and without moderation effort.
It does very little about determined abuse. Somebody running twenty accounts is limited per account, and twenty accounts posting once a minute is still twenty messages a minute. The interval raises the cost slightly and does not change the situation.
So it belongs in a sequence rather than on its own. The controls that actually govern who can post are upstream: who may join at all, from Step 064, what members are permitted to send, and the automatic filtering in Step 061. Slow mode manages the behaviour of people who are legitimately in the room.
There is one more reason to reach for it early, which has nothing to do with spam: it is the least punitive tool available. Nobody is removed, nobody is restricted individually, and nobody has to be judged. For an argument that is running hot, an interval cools the room without anybody being singled out — and it can be lifted an hour later with no residue.
touch_app Try it now — five minutes
Four steps, and the third is the one most administrators have never done.
- Find the setting in your group's permissions Alongside what members may send. Note that it is off by default, so any group that has it is running it because somebody chose to.
- If a room is hard to read, try the shortest interval for a week Ten seconds. Then look at whether the complaint was really volume, or was really one person.
- Read your own group as a member would You are exempt, so you have never experienced your own setting. If you cannot use a second account, at least scroll a busy hour and count how long people are waiting.
- Keep the hour-long setting for incidents only Set it, announce why, and take it off the same day. Its value is entirely in being temporary.
call_split Where the conversation goes instead
An interval does not reduce how much people want to say. It changes where they say it, and that consequence is worth anticipating because it is invisible from inside the main room.
In a throttled group, exchanges move to direct messages between the two people involved, and side groups appear — a smaller room with the regulars in it, where nobody has to wait. Both are natural and neither is a failure, but both take conversation out of the place where the rest of the community could have learned from it.
That is the real cost of a long interval, and it is larger than the inconvenience. A question answered in a direct message helps one person; the same question answered in the group helps everybody who reads it later, which is most of the value a community has.
Two things reduce the leakage. Reactions are not throttled, so agreement, thanks and acknowledgement can happen freely — and saying so in a pinned message genuinely changes how a slow room feels, because most of what people were spending their turn on was agreement. And replies keep an exchange legible across a gap, so two people can hold a conversation over twenty minutes without anybody losing the thread.
If you notice the regulars have gone quiet while a side group has appeared, that is the signal the interval is too long. Nothing in the group's own statistics will tell you; you find out by noticing who has stopped speaking.
help Common questions at this stage
Does slow mode apply to media, replies and reactions?
It applies to sending messages, including media, and replies count as messages. Reactions do not — which is quietly useful, because in a throttled room a reaction becomes the way people agree with something without spending their turn. Encouraging that explicitly makes a slow room feel far less silent than it otherwise would.
Can I exempt specific members?
Not individually — the exemption follows administrative rights rather than being a separate permission. In practice, communities that need a few people to speak freely give those people a minimal moderator role from Step 058, which carries the exemption with it. That is a real decision rather than a workaround, since it also gives them powers you may not have intended.
Do members know why they cannot post?
The countdown is visible, so the mechanism is clear, but the reason is not. A line in the group description or a pinned message saying that the interval exists and why removes most of the irritation. People tolerate a rule they understand and resent one that appears to have been imposed on them silently.
Will it slow the group down permanently, even after busy periods?
Yes, because it is a setting rather than something adaptive. Nothing lowers it when the room goes quiet. That is an argument for revisiting it: an interval chosen during a launch or an incident is frequently still there a year later, making a now-modest group feel stilted. Put it in the same category as the pinned messages in Step 047 — something that decays unless somebody looks.
Is it better to use slow mode or to restrict what members can send?
They answer different complaints. Slow mode addresses volume from people who belong there; restricting message types — typically links or media — addresses the content that unwanted arrivals post. If your problem is strangers dropping links, the restriction is far more precise and costs the conversation almost nothing, while an interval inconveniences everybody and barely inconveniences them.
Does it affect bots posting into the group?
A bot with administrative rights is exempt in the same way any administrator is, which is usually what you want for something posting alerts. It is also worth noticing as a small risk: a misbehaving automation is precisely the thing an interval would otherwise have contained. The control for that is the permissions in Step 058 and reading its output in Step 059's log.
At a glance
- 1Pick an interval
Ten seconds stops bursts; minutes turn a chat into a queue.
- 2Admins are exempt
You never feel your own setting; ask a member how it feels.
- 3Not a spam filter
Many accounts can still post once each.
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