In the graph above I've arranged the 28 Threadiverse instances with at least 200 monthly active users (MAU)—orange instances running Lemmy, green Piefed, and red Mbin—on the basis of which instances they defederate.

Each instance has its MAU count listed below it, sourced from the latest MAU figures at Fediverse Observer, with adjustments made to the totals for Piefed (due to undercounting by outdated instances, as noted here; I used @Vicinus@piefed.zip's suggested estimate of 7,200 Piefed users) and Mbin (due to tardigram.com having a duplicate listing).

After adjustments, there are an estimated 43,287 monthly active Threadiverse users (35,184+7,200+903), of whom 87.84% are on the 28 largest instances. The percentages listed alongside the MAU figures correspond to each instance's share of the total MAU count.

Defederation data was sourced from Federation Checker. The tool doesn't support Mbin instances, so I left fedia.io in its own category. If any defederations are missing, feel free to let me know. Ideally such a chart should also include community blocks to better illustrate which instances block what, but that data doesn't appear to be as easily searchable.

I also noticed cases of some instances being listed as being defederated by another instance, despite not appearing on the defederation list for that instance (i.e. reddthat.com and lemmygrad.ml are listed as being mutually blocked, despite neither having the other on their block lists). In testing that federation, I noticed that !wholesome@reddthat.com did not federate to Lemmygrad while !memes@reddthat.com did, so clarification on that matter would be helpful.

While I'll update my generalized chart as needed to correct errors, perhaps at some point an automated federation mapping tool similar to the one feddit.de formerly hosted could be developed to more completely illustrate instance federation.

(page 2) 50 comments

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[–] Valmond@lemmy.dbzer0.com 81 points 21 hours ago (3 children)

Well that's a confusing graph.

[–] SCmSTR@lemmy.blahaj.zone 31 points 20 hours ago* (last edited 20 hours ago) (1 children)

Since defederating is essentially an explicit block list and is directional, my assumption is that the groups that are circled have defederated from the things they're pointing at. I could be wrong.

Map needs a key/legend.

The red circled stuff seems to be only one possible option, but isn't visually very distinct, and the red circle shouldn't be broken like that, just make sure the lines are all visible.

[–] Zedstrian@sopuli.xyz 13 points 16 hours ago

Apologies for the confusion; didn't want to make it overly cluttered, but in retrospect I see that a legend would have been useful. I'll incorporate suggestions in a revision.

[–] mehquestion@lemmy.world 16 points 20 hours ago (2 children)

Yeah, as someone who is struggling to understand the concept of federation...this doesn't help me at all.

I guess what its saying, if you're on lemmy.world, you can't access content on lemmy.zip?

[–] lastlybutfirstly@lemmy.world 11 points 17 hours ago (6 children)

If I'm reading it correctly, lemmy.world cut ties from lemmygrad.ml and hexbear.net while hexbear.net and beehaw.org cut ties with lemmy.world. lemmy.zip appears to be connected to everyone.

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[–] ProdigalFrog@slrpnk.net 9 points 19 hours ago

The ones at the bottom that are below the None category aren't defederated from anyone, so they can access every instance.

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[–] noxypaws@pawb.social 2 points 11 hours ago (2 children)

am I reading this right, that blahaj blocks federation from pawb?? that doesn't seem right

[–] Zedstrian@sopuli.xyz 2 points 10 hours ago

No; the instances in the black box defederate fedinsfw.app, not pawb.

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[–] AI_toothbrush@lemmy.zip 29 points 20 hours ago (4 children)

Very proud of lemmy.zip! Joined very early on cause the name sounded cool lol, and apparently a lot of others also did. If i remember right we had a vote on defederations and the only major one to happen(or maybe the only one, idk) was exploding heads which was a nazi instance with CSAM on it so that was obvious, even that was mainly cause of the CSAM. I really like the approach of users being able to block instances and communities rather than the instance deciding for me. I still have ml and hexbear blocked tho cause they banned me after i stood up for trans rights or something lol

[–] LincolnsDogFido@lemmy.zip 5 points 15 hours ago* (last edited 14 hours ago)

I'm feeling the same way. I've bounced around a few places since joining. I started on midwest.social which was great for a while, but I think the instance grew more than the dev could keep up with. I started seeing connectivity issues and problems displaying content so I reluctantly migrated to .world to see what joining the largest instance would be like. The technical issues went away but I couldn't figure out why I could no longer see /c/piracy until I realized that they're a bunch of pushovers that defederated from dbzer0 based on some liability bogeyman. So I found myself on Lemmy.zip where I can police my own content and have no technical issues.

[–] Million@lemmy.zip 9 points 18 hours ago

.zip and Demogodrick definitely cool.

I also lucked out by joining here just because I couldnt join more popular instances at the time. Happy that I landed here

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[–] kersploosh@sh.itjust.works 49 points 1 day ago (4 children)

The beehaw.org/sh.itjust.works defederation is really one-way. Beehaw defederated from us after some exceptionally bad trolls were operating from sh.itjust.works in 2023. IIRC, they requested that we also defederate from them to really make sure the split was made. We honored their request.

We would happily reconnect if Beehaw decided they want to federate with us again. If not, then that's fine; they have a right to associate with whomever they like.

I believe infosec.pub temporarily defederated from us around the same time for the same reason. It was a rough time.

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[–] TropicalDingdong@lemmy.world 25 points 23 hours ago (2 children)

I really like this but I can not figure it out. Would you be willing to make the data available?

[–] Zedstrian@sopuli.xyz 29 points 23 hours ago* (last edited 22 hours ago) (2 children)

The MAU numbers for instances were sourced from Fediverse Observer and calculated as a percentage of 43,287 for the percentages, but here's a table of the defederation data:

Lemmy
Instance	Defederates
lemmy.world	Hexbear, Lemmygrad
sh.itjust.works	Beehaw, Hexbear, Lemmygrad
lemmy.zip	N/A
lemmy.ml	fedinsfw.app
feddit.org	fedinsfw.app, Hexbear, Lemmygrad
hexbear.net	lemmy.world
lemmy.dbzer0.com	Lemmygrad, Feddit.org
lemmy.ca	Hexbear, Lemmygrad
lemmy.blahaj.zone	fedinsfw.app, Hexbear, Lemmygrad
programming.dev	Hexbear
discuss.tchncs.de	Lemmygrad
sopuli.xyz	fedinsfw.app, Hexbear, Lemmygrad
lemmygrad.ml	fedinsfw.app
lemmy.today	N/A
slrpnk.net	Hexbear, Lemmygrad
feddit.uk	N/A
infosec.pub	fedinsfw.app, Hexbear, Lemmygrad, Lemmy.ml
reddthat.com	N/A
jlai.lu	Lemmygrad
beehaw.org	sh.itjust.works, lemmy.world, Lemmygrad, Hexbear
pawb.social	Hexbear, Lemmygrad
thelemmy.club	N/A
feddit.nl	N/A
Piefed
Instance	Defederates
fedinsfw.app	Hexbear, Lemmygrad
piefed.social	Hexbear, Lemmygrad
piefed.ca	Hexbear, Lemmygrad
piefed.zip	N/A
Mbin
Instance	Defederates
fedia.io	?

[–] Meatwagon@lemmy.dbzer0.com 4 points 12 hours ago (2 children)

Can someone give me the gossip on fedinsfw.app and feddit.org? What are they? Why is db0zer defederated from feddit.org?

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[–] Crescent@fedinsfw.app 8 points 18 hours ago (4 children)

What the hell are Hexbear and Lemmygrad and what did they do that everyone's blocking them?

[–] Quacksalber@sh.itjust.works 5 points 15 hours ago

To add an annecdote, hexbear has this handy link to an image: (nsfw) https://hexbear.net/PPB

Ask yourself why a discussion platform might keep this image quick-link and you may understand why everyone defederates from them.

[–] Krono@lemmy.today 8 points 17 hours ago

Lammygrad are Marxist Leninist, Hexbear are dirtbag leftists. That makes them the natural enemies of center-left and centrist instances like .world.

In my opinion it comes down to a disagreement over capitalism. One side wants to destroy it, the other side wants to moderate it.

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[–] kingofras@lemmy.world 59 points 1 day ago (16 children)

I say, I really don’t get why so many people stay over on Reddit.

This might be a micro version of the actual future internet, where we walk away from the global model and split it into ideological countries who believe the best way forward is to stop talking to the other group.

We’ve come a long way from drawing artificial lines on maps.

[–] Cris_Citrus@piefed.zip 82 points 1 day ago (8 children)

The fediverse is great if you fall into the like 5 interests that are pretty well represented here.

But if the communities you wanna engage with aren't really active enough for potential posters to not just forget they exist, or you don't really want to be on a platform where 75% of the front page is news or memes about the state of the world politically, its not neccisarily a great replacement to reddit

For me it happens to cover enough of my bases, but I can get why it wouldn't for many people.

[–] wonderingwanderer@sopuli.xyz 4 points 14 hours ago (4 children)

I've said this a number of times over the past couple days, but if there's an instance for mirroring subreddits, where niche subreddits that don't have an equivalent here yet basically get a carbon copy and a repost bot to stock them with relevant stuff from over there, that could fill in some of those gaps and make the fediverse a more attractive alternative.

It won't have the same level of engagement right away, but it will provide a place for that engagement to occur, and as more people start using it it will create a network effect. As things stand now, we're missing a lot of those niche communities.

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