Head & Meta Hooks: The Silent Failures WordPress Won’t Warn You About

15 Sep 2026· Originally published on 4wp.dev ·WordPress Hooks

In short

`wp_title` does not work in block themes; `document_title_parts` replaces it.
Head/meta failures are silent: the code runs, but there is no warning.
Common traps: `echo` instead of `return` in `body_class`, and printing scripts directly instead of `wp_enqueue_script`.

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