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Measure internet censorship. Contribute to the largest open dataset

102 pointsby 6h agoooni.org
59 comments
5h agoHN ↗

The most pervasive censorship is who and what social media companies decide to block or suppress. Even in places like China. It's deliberately harder to measure, but any censorship measurement that omits it is like measuring war casualties, but ignoring those on the front lines.

5h agoHN ↗

Not to minimize the impact of social media censorship, but one should really live in a country like Iran to grasp what pervasive censorship is. Most people born and raised in the relative freedoms provided in modern democratic systems have no clue what it feels like when you have such dictatorships. I say this because, looking at the current trends, we _could be_ heading in that direction, and the comparison is apt.

4h agoHN ↗

I'm curious what trends you see towards censorship?

Elon presumably being an exemplar for current trends: Twitter is unarguably far less censored than it was before (though censorship is still present). And Meta took note and also turned down its censorship significantly in response.

The Epstein files, while far less than hoped for by many, are another example of a trend towards sharing far more sensitive info than has been typical by past administrations.

There are many good examples you could point to of increased authoritarianism, but censorship in particular seems to be on the backswing, if anything.

Edit: oof, it's extremely concerning that the comment below was flagged

4h agoHN ↗

It’s too soon for such a conclusion IMO. The pervasive Iran-like censorship I was talking about will rear its ugly head when those authoritarian regimes are established. It’s a tool and I can assure you it will be used extensively. This is nothing new really.

P.S. the Epstein files were just a cruel joke! I wouldn’t list it there.

3h agoHN ↗

It doesn't add up for me. If the goal is simply authoritarian control, why would they employ less censorship than their predecessors?

Surely they could get away with at the very least the same amount?

3h agoHN ↗

simply authoritarian control

There’s nothing simple about authoritarian control.

Who says we have less censorship? Sure people can tweet all kind of stuff without getting banned. Fine, but at the same time US president is removing news networks he doesn’t like from press briefings. That’s just one example. To say the censorship is in decline is baffling.

2h agoHN ↗

Multiple jurisdictions have tried to play the stupid games of "we'll make a dumb fuck law that creates problems for you, the website operator, and if you don't conform, we'll sinkhole you at ISP level". Platforms like Xitter and Telegram being the common early targets.

The "age verification" push is a big move in that direction in Western countries. "Think of the children" is an evergreen excuse for authoritarian measures.

2h agoHN ↗

Twitter is unarguably far less censored than it was before (though censorship is still present). And Meta took note and also turned down its censorship significantly in response.

A publisher making editorial decisions is not censorship. You have no right to demand Twitter publish your speech. If you don't like their editorial policies, you are free to go elsewhere. You are not prevented from speaking or even prevented from reaching an audience. None of these platforms is a monopoly.

For my money, I would prefer to hang out somewhere where people don't openly celebrate the murder of my family. Would you deny me that right? If so, you are not on the side of freedom. I don't object to the existence of forums like /pol/ or today's Twitter; if you object to the existence of moderated forums like Twitter in its prime then you are the one restricting speech.

Today, we see flagrant examples of the literal government literally prohibiting people from speaking their minds. Literal masked thugs with literal guns are literally grabbing people off the streets. This is censorship like the Soviets did it.

https://www.youtube.com/watch?v=Zu3q1eYyR1A

https://www.nytimes.com/2026/09/19/us/politics/trump-cnn-msn...

https://www.cbsnews.com/news/fcc-disney-abc-early-license-re...

https://www.aclum.org/cases/ozturk-v-trump/

https://www.insidehighered.com/news/quick-takes/2026/07/31/p...

https://www.propublica.org/article/caught-in-crackdown-ice-c...

Twitter has certainly relaxed its policies on racism and violence in recent years, and perhaps you think that's a good thing. But point out that they're paying Nazis to post about their hatred of Jews (an undisputed fact even if you object to the framing) and they'll file SLAPP suits to try to bankrupt you. They very much go in for censorship (the real kind, backed up by guys with guns) when it benefits them.

https://www.fire.org/news/fire-statement-x-corps-lawsuit-and...

49m agoHN ↗

A publisher making editorial decisions is not censorship. You have no right to compel other people to publish your speech. If you don't like Twitter's editorial policies, you are free to go elsewhere

When a social media deletes users posts because they cross a political line, it may not be government censorship, but it's very obviously still censorship.

It's very hard to take opinions like yours seriously because I know exactly how you'd react if all your HN posts were deleted because you're calling people "Nazis"

22m agoHN ↗

No, really, you have no right to compel other people to speak. If you try to tell other people what they must publish, you are infringing on their speech rights. Call it censorship if you want—I don't much go in for semantic debates—but private parties have no obligation to publish speech they disagree with. People have a right to show you the door because they don't like your politics.

I exclusively use websites that "censor" their users. Millions upon millions of people are with me on this. Would you deny us our right to organize as we please?

It's very hard to take opinions like yours seriously because I know exactly how you'd react if all your HN posts were deleted because you're calling people "Nazis"

If you deny that there are literal and unabashed Nazis on Twitter these days, you are wrong. I am not using the term as a pejorative; I am using it as a straightforward descriptor for people who post pictures of swastikas and SS officers, start their posts with "Hitler was right", have "1488" in their bios, and write my name (((like this))) every damn time. These sorts of people would not be offended by being called Nazis and are not shy about their desire to see me gassed to death. Twitter paid them to say these things and then tried to censor people who criticized them for it, and that's a fact.

Hell, I didn't even call this guy a Nazi:

https://tinyurl.com/5n94mk74

42m agoHN ↗

A publisher making editorial decisions is not censorship.

Are you really going to conflate publishing with operating a social media platform? Regardless, if those editorial decisions are meant to suppress a viewpoint, it is censorship - government censorship is only one kind.

You have no right to demand Twitter publish your speech.

Nobody argued that what social media do is illegal, only that it counts as censorship.

3h agoHN ↗

censorship of websites is done to move more of population onto social platforms you control

one isn't ignoring the other

5h agoHN ↗

Hmm.

I'd wager the vast majority of internet censorship is within platform, like that done by Reddit mods.

The most egregious example I've seen in my lifetime was when old Twitter decided to censor a NYPost article, down to blocking sharing in DMs.

It seems that type of example is entirely missed here. Is there any attempt to capture that signal?

5h agoHN ↗

As a thought exercise, could it be captured?

5h agoHN ↗

Depends on the platform. On Reddit, definitely yes, as almost all censorship is "deletion style" where the target post or comment is initially visible until the mods suppress it.

But your point is well taken, it's definitely more challenging and expensive than what's being done here.

5h agoHN ↗

It would be one heck of a challenge, but, almost by definition "impossible" - as a naive guess, perhaps (for those platforms that have opened code) characterize some statistical signatures that "arbitrary data" ran through it (simulating user activity) would show ...

... and then check for those (or, counterexamples) in the wild.-

1h agoHN ↗

That used to be the case on Reddit, not any more as about half of all accounts start off shadowbanned and mods approve their posts.

3h agoHN ↗

Join the referral program for a low cost online pharmacy. Post a link on each platform informing the users about the availability of male health products. Measure if it gets removed.

5h agoHN ↗

If you count platform moderation as 'censorship' then there's practically no uncensored public spaces on the internet.

Literally even 4chan has moderation.

Nobody, not even 4chan users, want an actually unmoderated space.

5h agoHN ↗

You still want to know the extent of that 'moderation' that is totally not censorship. E.g. Facebook and Instagram ban white nationalism, and Youtube has banned American Renaissance, meaning we can infer Google bans white nationalism too, as American Renaissance is guilty of nothing else.

You may agree or disagree with the ban, but surely you agree that we should be aware of such Overton window enforcement?

5h agoHN ↗

4chan users might want that, but even for the types of people willing to operate a site like that they don't want to be liable for the amount of CSAM, piracy, and other legally objectionable material that would end up on a fully unmoderated site.

4h agoHN ↗

Deciding what is spam and blocking it is moderation or "censorship".

If 4chan didnt have spam filters, the users would be begging for it almost immediately because the website would become unusable.

3h agoHN ↗

We might be talking past each other a bit. I agree that without any sort of spam filter a comment site would become unusable.

What I was trying to point out is that there are a lot of users of these 'edgy' sites that would like to post content that the site owners don't want them posting. So the site owner censors and removes CSAM and piracy so that the site isn't immediately in a legal black hole. The site owners remove content that at least some of the users would want be a use they find it morally or legally objectionable. Spam is kinda orthogonal to that point, since neither the site owner or the users want to see it.

4h agoHN ↗

Some of the moderation is just banning people with differing opinions.

1h agoHN ↗

Some of the opinions that differ are really bad ones.

4h agoHN ↗

My comment above does not rely on the premise that all moderation is censorship. Only that some Reddit mods engage in censorship.

2h agoHN ↗

Regardless there's value to know exactly what topics are off limits and for which platforms. Censorship needs to be measured and quantified (probably with vectors).

1h agoHN ↗

Moderation as in "You can't call the other posted 'fuckface'" and moderation as in "I will delete every mention of this news story because it's negative to the agenda I want to push" are not, at all, the same thing.

In fact, I wouldn't call the latter "moderation" at all, rather it's mods abusing their power to push political propaganda, but they do it through moderation in terms of action.

1h agoHN ↗

What if the news story is just calling someone fuckface? A lot of them are like that in this age of slop news.

22m agoHN ↗

I want an unmoderated space. Or rather, I want the tools of moderation to be in the hands of the users instead of a central authority.

Giving an anonymous rando the power to censor my conversation is abhorrent. And it's absurd that most people are ok with that.

4h agoHN ↗

old Twitter decided to censor a NYPost article

Which article, about what subject?

4h agoHN ↗

Are there NYPost articles you feel people should be prevented from DMing? Or posting, for that matter?

3h agoHN ↗

Why do you refuse to answer the question?

The story you are referring to involved the New York Post or its affiliates breaking in to Hunter Biden's laptop (a felony) and publishing his personal correspondence, complete with unredacted phone numbers and email addresses. This violated Twitter's policies against doxxing and dissemination of hacked materials. Characterizing this as censorship is misleading; the story contained no newsworthy information and its publication violated longstanding Twitter policy. It's hard to imagine Twitter functioning without such a policy. I don't see any reason the New York Post should get away with violating it just because it claims to be a newspaper.

The Wall Street Journal, a Murdoch rag like the Post and hardly known for its liberal bias, declined to publish this information, which is why it wound up in the disreputable Post instead. Respectable journalists have ethical standards. Act like thugs, get treated like thugs.

P.S. Twitter is free to make whatever editorial decisions it pleases. Trying to make them publish something they don't want to publish is compelled speech. Compelling speech in the name of freedom of speech is hypocritical.

4h agoHN ↗

They censored the Hunter Biden laptop story weeks before the election.

2h agoHN ↗

Not just reddit mods. Google 2013 Eglin Air Force Base incident reddit.

5h agoHN ↗

Measure the speed and performance of your network with the NDT test

This is very much in line with the likes of pokemon go, wiki landmark projects and what have you (those are nice things to have for autonomous drones/missiles to navigate only with vision when gps/cellular/starlink is actively blocked).

Russia banned stuff like speedtest because things like that may help “map” the network, aid NSA to model malware propagation, etc.

Not that this should matter when you have cisco, dell, nokia hardware, but it won’t hurt either.

I mean come on, some nuts even willingly install stuff like this: https://atlas.ripe.net/

4h agoHN ↗

Are you arguing for security by obscurity?

1h agoHN ↗

That's the point of open data. Anyone can use it, and that includes the NSA or any other state actor you don't like, but it also includes anyone else. I don't see what's wrong with running things like RIPE Atlas if the data is actually open and not just given to the NSA only for their purposes.

4h agoHN ↗

I really wonder if anyone installs it on their machine. May be I am one off but I am Hearing about this for first time, don't recognize any of their partners.

3h agoHN ↗

Many of the partners are country focused but the Tor Project, Citizen Lab, and Internet Society are well known to me.

3h agoHN ↗

I would love to contribute, but i do not think it is a good idea to install and run this in China…enough said. Also i already know the outcome: network is fast, everything is blocked

1h agoHN ↗

Do they arrest you just for trying to load a blocked site?

52m agoHN ↗

They do not. But it is pretty pointless I would guess: probably most of the domains this tries to visit will be blocked.

3h agoHN ↗

Would be cool if it also measured the latency and throughput across many different protocols to detect deviations from net neutrality.

1h agoHN ↗

Related: you can "traceroute" a specific port, TCP or UDP. Different routes for different ports is a sure sign of tampering. Check the man page for syntax.

3h agoHN ↗

For everyone in this thread saying "but the platforms!", I don't disagree with you. Extensive censorship exists. But I don't believe that's the intended purpose of this tool and the metrics it collects. It doesn't measure censorship at what we would call layers 4-7 in the OSI model. It's concerned with IP reachability and layer 3. It collects valid data for that purpose.

2h agoHN ↗

Do they distinguish between "censored in transit" and "blocked by destination"?

In the last years many sites started to drop/block connections from the countries like China and Russia. It is sad to see how Internet is becoming more and more fragmented.

1h agoHN ↗

The latter one isn't censorship, it's geofencing. Which is incredibly unfortunate (and always has been), but it's not censorship.

40m agoHN ↗

Many websites block UK IPs rather than comply with some recent KYC laws.

1h agoHN ↗

There's a pretty bad bias problem here because the probe app scans domains that are frequently blocked in dictatorships, but doesn't scan domains that are frequently blocked in "democracies", like Anna's Archive. Then it ends up looking like the dictatorship countries have all the censorship.

1h agoHN ↗

I would only use the term "censorship" to refer to the prevention of speech based on its content. Content-neutral time, place, and manner restrictions aren't censorship according to the way I use the word, and neither is copyright protection.

Note that censorship isn't necessarily bad and restrictions on speech that aren't censorship aren't necessarily acceptable. The prohibition on child pornography is censorship but I support it, while I am opposed to IP law in its entirety.

55m agoHN ↗

Anna's Archive is prevented by some countries from visiting because of its (presumably illegal) content. All restrictions are based on its content.

53m agoHN ↗

Is that in fact the reason? I'm not familiar with what's happening outside the USA.

48m agoHN ↗

See "Spotify lawsuit" in the wikipedia article. Also:

"In January 2024, Italy's ... ordered major internet service providers (ISPs) in the country to block Anna's Archive due to a copyright complaint..."

"In March 2024, ... ordered major ISPs in the Netherlands to block Anna's Archive and LibGen due to a request by advocacy group BREIN (which represents the interests of the Dutch entertainment industry)."

"In December 2024, the UK Publishers Association won an order from the High Court of Justice requiring major ISPs to block Anna's Archive... under section 97A of the Copyright, Designs and Patents Act."

Source: https://en.wikipedia.org/wiki/Anna%27s_Archive

28m agoHN ↗

I don't think they are disputing it was blocked more the reason was copyright not other reasons.

29m agoHN ↗

"Dictatorship" is the standard forum design. Reddit, HN, X, Lemmy... All of them. And censorship is common. We literally prefer it that way. I think it's to create a solid blame trail. I think that's a necessary thing.