Why Modded Servers Take So Long to Join

You click a server. A progress bar appears. It says it is downloading 1,847 files. Four minutes later it is on file 600 and you have started reading something else. Somewhere around file 1,100 you close the game.

This happens on a very large number of modded servers, and the owners of those servers almost never experience it, their own files were downloaded months ago and are sitting in a cache. From the inside, joining is instant. From the outside it is a four-minute commitment made before you know whether the server is any good.

It is worth understanding where the wait comes from, both as a player deciding whether to wait and as an owner deciding what to cut.

Where the time goes

Content the server requires you to have. Maps, models, sounds, textures, scripts. If the server is running a custom map, you need the map. This is unavoidable and it is usually the largest single item.

Content that is technically optional but downloaded anyway. This is where most of the surprise lives. Servers accumulate: a model pack from a gamemode nobody plays any more, sounds for an event that ran last year, a texture set for a map that left the rotation. Nobody removes anything, because removing things requires knowing what is still used.

Workshop collections. On Garry's Mod in particular, servers commonly point at a workshop collection containing hundreds of addons. The collection was assembled once, has been added to since, and has probably never been pruned. A collection of four hundred items is four hundred things to fetch before you can play.

The transfer rate itself. This is the part owners control most directly and think about least. Content served from the game server's own connection is slow, because a game server's upload is provisioned for game traffic, not file serving. The same files from a proper fast-download host arrive several times faster with no change to what is being sent.

For players, is it worth waiting

Some judgement calls that save time.

Check the server is populated first. The most annoying version of this is a four-minute download that ends with you alone on a map. The player count is visible before you connect — what a player count really tells you covers how much weight to put on it, but "greater than zero" is a low bar and worth clearing before committing.

A long download on a busy server is usually a good sign. It means custom content, which means the server has been built rather than switched on. The busiest servers in a modded game are frequently the ones with the largest downloads, because they have the most bespoke content.

A long download on an empty server is rarely worth it. You are paying the full cost for an unknown, and if it turns out to be quiet you have spent the four minutes for nothing.

It only happens once. The files are cached. The second visit is instant, and the third. If you think you might come back, the download is a one-off cost rather than a per-session one, which changes the arithmetic considerably for a server you are evaluating seriously.

If it stalls, it is often the server rather than you. Downloads that crawl or hang partway through usually mean a misconfigured fast-download setup on the server's side. Nothing you can do, and not a reflection of your connection.

For owners: this is costing you arrivals

The reason to care is that the download sits precisely at the worst possible moment, after someone has decided to try your server and before they have any reason to be invested.

Every second of it is a second where nothing is happening and the alternative is one of forty other servers in the same list. This is the first ten minutes problem in its most acute form, because it happens before the first ten minutes even start.

Set up fast downloads properly

The single highest-impact fix, and many servers still do not have it. Serving content from a web host rather than from the game server's own connection typically improves transfer speed by a large multiple, and compressing the files improves it again.

If you have never checked, check. Connect from a machine that has never joined your server and time it. Owners are routinely astonished, because they have never seen their own cold-join.

Prune the collection

Go through what you serve and remove what is not used. This is tedious and it is the second-biggest win available.

Old maps are the usual culprit. A map that left the rotation eighteen months ago may still be in the download list. Every one is dead weight paid for by every new arrival.

Addons for retired gamemodes. Same problem.

Duplicated content. Two addons shipping the same models happens more often than you would think, particularly in large workshop collections.

A useful rule: if you cannot say what a given item is for, it should not be in the list. Garry's Mod gamemodes is worth reading alongside this if you are running several; the accumulation problem is worst where a server has changed direction more than once.

Stage the content if you can

Some games allow required content to be separated from optional content, so a player downloads what they need to join and the rest arrives while they play. Where this is available it converts a four-minute wall into a thirty-second one.

Say how big it is

If the download is large and necessary, put the number in your server description. "First join downloads ~400MB of custom content" costs you the people who were not going to wait anyway and keeps the people who now know what to expect.

An unexpected four-minute wait is experienced as something being wrong. An expected one is experienced as a download. The difference is one sentence.

What players can do about it

Not much, but not nothing.

Let it finish once. The cost is one-off. If a server looks promising, the four minutes buys instant joins forever after. The mistake is abandoning at file 900 and then repeating the first 900 files next week.

Do not delete your download cache to save space. It is the thing that makes every return visit instant, and clearing it means paying the full cost again on every server you have ever visited.

Join at a quiet moment, deliberately. Start the download while you are doing something else. It is the one part of choosing a server that does not require your attention.

If it stalls repeatedly, it is the server. Downloads that hang at the same file, or crawl at a few kilobytes a second, indicate a misconfigured or overloaded content host on their end. Nothing you can change. Worth mentioning in their Discord — owners frequently do not know, because they never experience it.

Weigh it against what you are getting. A large download on a busy, long-established server is usually years of custom content that is the entire reason people play there. The same download on an empty server is a gamble on an unknown.

The measurement worth taking

Once a quarter, join your own server from a machine with no cache and time it. A phone hotspot and a laptop is enough.

Most owners have never done this and are wrong about the answer by a factor of several. Content accumulates gradually, so there is never a day on which joining suddenly becomes slow, it just gets a little worse each month until it is a wall.

If the number is above about a minute, it is worth an afternoon of pruning. If it is above three, it is probably the largest single thing standing between your listing and your player count, and no amount of work on the description or being findable will fix a problem that happens after the click.

Why the owner never notices

Worth stating directly, because it explains why this problem persists on servers run by attentive people.

The owner's files were downloaded incrementally, one addition at a time, over months or years. Each individual addition was a few seconds. The cumulative total has never been experienced by anyone who was there from the start: not the owner, not the staff, not any of the regulars.

The only people who ever meet the full download are strangers, and strangers who abandon it do not stay to complain. They simply do not appear in your player count, and their absence is indistinguishable from never having clicked at all.

This is the general shape of the worst problems a server can have: they are invisible from the inside and only visible to the people who leave. It is the same reason why nobody joins your server is such a difficult question for owners to answer honestly, every source of feedback you have comes from people for whom the problem did not apply.

The trade you are making

Custom content is what makes a modded server worth playing. Nobody is arguing for a vanilla server with a fast join.

The trade is between how distinctive the server is and how many people get far enough to find out. Servers that manage it well are not the ones with the least content — they are the ones that serve it quickly, ship only what is used, and tell people what to expect.