how ranking works · typeahead

How ranking works

Matches: Handle and display-name prefixes.
Score: Followers, posts, follow ratio, account age.
Exact handle: Promoted ahead of other matches.

Weights and limits

Followers: 100 × log₁₀(count + 1)
Posts: 20 × log₁₀(count + 1)
Follow ratio: +50 above 10; +150 above 100. Requires >100 followers and >0 following.
Account age: −100 under 1 day; −50 under 3 days. +30 after 1 year; +60 after 3 years. Unknown: 0.

Scores use stored counts. Minimum score: 0.
Multi-word queries require every word. Limited candidate lists can omit low-scoring matches.
Hidden accounts are excluded regardless of score.

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