Users can smell the trap
The search result might win a click, but the page has to win the next ten seconds. If the screen opens with interstitials, fake urgency, and unrelated widgets, the user starts looking for the back button.
Clean utility pages create confidence by making the task obvious.
Performance is product strategy
Fast pages rank better in some contexts, but the more important effect is behavioral. People bookmark pages that are ready when they need them.
A utility site should protect its core workflow from unnecessary JavaScript, layout shift, and ad clutter.