Score keyword relevance. A hit in the title counts 3, in a category 2, in the
description 1, and one keyword can hit all three.
Matching is case-insensitive substring, which is what makes it useful on feed
text — but it means 'AI' matches 'said'. Prefer multi-word keywords when that
matters; the alternative, word-boundary matching, would miss 'AI-driven' and
plurals, which costs more in practice.
Score keyword relevance. A hit in the title counts 3, in a category 2, in the description 1, and one keyword can hit all three.
Matching is case-insensitive substring, which is what makes it useful on feed text — but it means 'AI' matches 'said'. Prefer multi-word keywords when that matters; the alternative, word-boundary matching, would miss 'AI-driven' and plurals, which costs more in practice.