this post was submitted on 16 Jun 2023
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It's certainly archivable; all one must do is look at the 'robots.txt' (a file that websites use to let nice search engines know which pages they shouldn't index) associated with the domain to find out what it permits to be indexed. Lemmy.world's robots.txt only disallows pages associated with instance/account creation, user settings, and administrator/authorized interaction.
So everything relevant to how reddit appears on Google is possible for Lemmy, the only difference is that Lemmy's associated PageRank (and other ranking scores) are considerable lower than reddit's. This should change with time, especially when more niche and specialized communities take hold.
That's true, but aren't federated pages at a disadvantage since you can look at them from any instance thus decreasing the number of links to one specific post (which is how PageRank works)? Since then instead of one post on page 1 you'd have 10 from different instances on page 3. I'm thinking this could be fixed if all posts had a link to the post on the original instance, which is where the ranking scores would then be more likely to aggregate.
That's a good point, and I'm sure that would certainly be a problem with PageRank and similar ranking algorithms, but I wouldn't be entirely surprised if Google and other SEs have intelligently crafted a pre-processor that translates links like "kbin.social/m/[email protected]/t/34817/Is-Lemmy-Indexable" to the Original-Instance-Link (OIL, lurking Google devs feel free to steal this acronym) "https://lemmy.world/post/189226" so that relevant algorithms properly reflect the 'true' ranking of the information itself rather than the particular instance's... instance of it.
OStatus and Pump.io have been around for a while so SEs may (should) have already identified this problem and addressed it unless they've decided it's not important, not in-line with how their rankings are intended to work, or simply not easily solvable in some cases like I previously assumed. As Bjarne Stroustrup would say, "If you think it's simple, then you have misunderstood the problem."
There are
<meta>HTML tags and<link rel=“canonical” href=“https://example.com/sample-page/”>tags as well that point to the original copy of a page, if it is not implemented it would be super easy to, but I’m on my phone at the moment so I can’t see the source codeIndeed, that's one solution that was brought up in the GitHub issues.
Yeah if they set a meta canonical tag to the origin instance they would help that post rank.
All posts and comments do have a link to the instance they were originated from. That's what that weird looking multicolour star is (the fediverse logo).