jointhefediverse.net seems to be a commonly linked resource for directing people to join the Fediverse.
Curiously, it does not list Lemmy under the list of Reddit alternatives. Their GitHub README explains why.
Previous relevant discussion: https://lemmy.ml/post/78808
using this comment to test
it does seem to have the loading thing, I’ll reply again here if it still happens or maybe mention it on matrix (same username).