this post was submitted on 02 Jul 2023
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Fediverse

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A community to talk about the Fediverse and all it's related services using ActivityPub (Mastodon, Lemmy, KBin, etc).

If you wanted to get help with moderating your own community then head over to !moderators@lemmy.world!

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Learn more at these websites: Join The Fediverse Wiki, Fediverse.info, Wikipedia Page, The Federation Info (Stats), FediDB (Stats), Sub Rehab (Reddit Migration), Search Lemmy

founded 2 years ago
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I shared bits and pieces of this before, but it's officially up and running now: https://www.search-lemmy.com/

This is an enhanced search engine for Lemmy. With a few primary goals:

  • You can choose a preferred instance. After choosing what your primary instance is, and performing a search ALL links will open in that instance.
  • This aims to be a replacement for using site:reddit.com in Google, but just for the fediverse.
  • You can filter the search results by:
    • Instance -- This will filter the results to only show communities that belong to a particular instance. Just type something like instance:lemmy.wrold or instance:https://lemmy.world/. This is separate from your preferred instance, such that you can search for posts on lemmy.world while still opening them on lemmy.ml.
    • Community -- You can refine the search by a specific community. You use the same syntax that you'd use here community:[!fediverse@lemmy.world](/c/fediverse@lemmy.world).
    • Author -- Similar to the above you can also filter by a specific author such as: author:@marsara9@lemmy.world.
  • The entire thing is open-source. You can view the code and even host your own instance... See more details here: https://github.com/marsara9/lemmy-search.

NOTE: This only supports Lemmy instances for now. Other fediverse type instances may be in the future depending on how this works out.

I've been working on this over just the last few weeks, so it hasn't had a chance to crawl much of the fediverse yet. For now it only supports lemmy.world and lemmy.ml but other preferred-instances will come online as time goes by.

If anyone finds any bugs, and I'm sure you will, or if anyone has any suggestions PLEASE raise an issue on GitHub for me to track. Lastly, if anyone wants to help contribute please feel free to reach out.

NOTE TO SERVER ADMINS: You can prevent your site from being crawled by adding lemmy-search to your robots.txt for the user-agent.

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[–] anders@rytter.me 2 points 1 year ago (2 children)

@marsara9 would be cool if it had the ability to search through all instances. don't know if thats possible

[–] marsara9@lemmy.world 2 points 1 year ago

Eventually. I'm waiting on a bug in Lemmy itself to be fixed. Mainly once I can post a link to a post here and anyone can click on it without leaving their home instance.

[–] marsara9@lemmy.world 2 points 1 year ago (1 children)

Oh wanted to add, as a workaround for now you can set your home instance to lemmy.world or lemmy.ml. Because of how the fediverse works, searching the larger older instances should have a fairly complete copy of content.

Once I do "fix" this though, note that you may click on a link and get a 404 page. As that post may not be on your home instance.

One rule I will always follow for this project is that if I display a link, that link MUST take you to your home instance and that link MUST point to the post in question (but I cannot guarantee that you won't get an error, just that you won't be taken to a completely different post)

[–] anders@rytter.me 1 points 1 year ago

@marsara9
I see. Will just set home to the same as the one I search. I'm using Friendica so I'm used to copy links to the search field in order to fetch remote Lemmy posts.

[–] daq@lemmy.sdf.org 2 points 8 months ago

This project dead?

[–] unknown_artist@lemmy.world 1 points 1 year ago (1 children)

oh wow this is great. wish it were easy to use this search from a lemmy instance and browse the results from within.

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[–] Pherenike@lemmy.ml 1 points 1 year ago

Oh thank you, this is great!

[–] epsilonneighbor@lemmy.world 1 points 1 year ago

Absolutely fantastic- Thank you!!

[–] Hackerman@lemmy.world 1 points 1 year ago

This is great thanks for this!

[–] hydrashok@sh.itjust.works 1 points 1 year ago

Awesome! Thanks!

[–] Remontoire@lemmy.world 1 points 1 year ago
[–] Frenchy@aussie.zone 1 points 1 year ago
[–] nameisnotimportant@lemmy.ml 1 points 1 year ago (1 children)

Can we only search by title with this? I'm getting a lot of unrelated results.

[–] marsara9@lemmy.world 1 points 1 year ago

It searches the title and body. It also automatically searches for similar words like. Like 'bike', 'biking', 'bikes' (aka stemming). Granted though, I'm still improving the page ranking as time goes on.

[–] imrichyouknow@sh.itjust.works 1 points 1 year ago

I would really like to see this get integrated into SearXNG

[–] Die4Ever@programming.dev 1 points 1 year ago* (last edited 1 year ago) (1 children)

is this a crawler or does it index via mass federation? Or is it using API calls?

[–] marsara9@lemmy.world 2 points 1 year ago (1 children)

API calls. Primarily it just uses /api/v3/post/list.

Funny enough though, one of my first versions I tried to use mass federation, but ran into technical issues.

[–] Die4Ever@programming.dev 1 points 1 year ago

mass federation is probably not good for the health of the fediverse anyways lol

[–] CrimeDad@lemmy.crimedad.work 1 points 1 year ago (1 children)

The results are different depending on which preferred instance I select. Is that the correct behavior?

[–] marsara9@lemmy.world 2 points 1 year ago

Correct. As I can only provide links to posts that are on your selected home instance. Eventually I'll change this but you'll get a 404 page for links that aren't on your home instance, but see my P.S. below.

P.s. there have been changes to the Lemmy API that have prevented me from getting updates for about a month now. So most of the results you're seeing are from old posts only. Until I can rebuild the crawler or find a new API there won't be any new content.

This looks good, I just found an old (3 year old post - I didn't even know Lemmy was around back then!) and commented on it. There were also funnily two other recent comments (one from 2 months ago and another 3 months old).

[–] nieceandtows@programming.dev 1 points 1 year ago (1 children)

Can it be made to search in the comments? Right now, I'm finding more results when I use the search function inside lemmy.world than if I use this

[–] marsara9@lemmy.world 2 points 1 year ago

That's on my todo list. For the initial release I wanted to get posts working primarily.

See: https://github.com/marsara9/lemmy-search/blob/master/server/src/crawler/crawler.rs#L178

[–] seeCseas@lemmy.world 1 points 1 year ago* (last edited 1 year ago) (1 children)

I see an error saying I've been blocked - i never had that problem with fedisearch!

[–] labbbb@thelemmy.club 0 points 10 months ago* (last edited 10 months ago)

Nice! It doesn't work.

[–] dot20@lemmy.world -1 points 1 year ago (3 children)

Why the choice for a .com domain? Is this a commercial project?

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