Posts of four or more lines got reliably more bookmarks than the same creator's other posts in 5 of 12 accounts and fewer in none.

Posts of four or more lines got reliably more bookmarks than the same creator's other posts in 5 of 12 accounts and fewer in none.

The median gap was +44%. Posts over 280 characters got reliably more bookmarks in 5 of 12 accounts, median +71%. Bookmarks are rare to begin with: 70% of the posts got none.

A post meant to be kept needs something to keep: steps, a list, or what you measured.

• Four or more lines.
• Longer than 280 characters.
• A how-to, a list, or a finding you measured.

What you can try now: Check the post is past 280 characters before you publish it.

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Question posts got reliably fewer bookmarks in 3 of 12 accounts and more in none.

People answer questions. They keep something else. The same question posts that were saved less got reliably more replies in 8 of 13 accounts.

A post meant to start a conversation can be a short question and will rarely be saved.

• A question, if you want replies.
• Steps or a list, if you want a bookmark.
• One job per post.

What you can try now: Draft the version a reader can use later, with the steps written out.