mstdn.social is one of the many independent Mastodon servers you can use to participate in the fediverse.
A general-purpose Mastodon server with a 500 character limit. All languages are welcome.

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If you own an independently hosted WordPress blog, you can turn it into a Fediverse blog that people can follow from Mastodon:

➡️ fedi.tips/wordpress-turning-yo

Also, this method means the blog will effectively be its own Fediverse server. You won't need to rely on anyone else's server.

As the blog's owner, you will be the one deciding how long your content stays published, and there will be no character limits either.

(Note that this won't work on wordpress.com accounts, you need an indie hoster.)

fedi.tipsWordPress: Turning your blog into a Fediverse server | Fedi.Tips – An Unofficial Guide to Mastodon and the Fediverse
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@feditips Except you can't browser any feeds or post comments anywhere - So no, it's not a Mastodon instance or a replacement for it.

FediTips has moved!

@arnandegans

I didn't say it was a Mastodon instance, nor did I say it was a replacement for Mastodon.

I said it was a Fediverse server and a Fediverse blog, which you can follow from Mastodon.