Plugin resources and visible theme components
Test navigation, form and search with front-end plugins enabled. Assign long interactions to a specific script before you flat-rately remove plugins.
Assign heavy scripts or style sheets to your plugin or theme. A form, slider or shop plugin can also load resources to pages that don’t need its function. Check this connection on a test page.
Where to check the setting in WordPress
In Network Analysis, search for the path under /wp-content/plugins/ or /wp-content/themes/ to assign the resource. Test the affected component individually in a staging copy before activating optimization options for all scripts.
Example of this specific finding
Illustrative control case: A click on the variant filter waits for a long JavaScript task before a visible reaction appears. The delay concerns a concrete interaction.
follow-up audit in WordPress
Make only one change per round of measurement and then test form, navigation and consent states. A higher number of measurement points is of no use if central functions fail.
Repeat the problematic interaction in the performance trace, split up long tasks and reduce unnecessary work. Then measure the same interaction again.
Derogations and scope
INP is not a pure charging time code. A fast first side structure does not preclude slow later operation.
Related: WordPress with classic or block theme. SEO plugins and page builders are different; there is no universal menu path for all installations.
Classify the general error
Definition, system-independent causes and further correction examples: Name the slow interaction concretely