Lead-generation pages
Look for how the page frames the lead magnet or consultation, how much information it asks for and whether the next step is obvious.
Paid-ad pages
Study message match. The strongest examples usually repeat the same promise and language that earned the click in the first place.
Product launch pages
Notice how they sequence problem, outcome, product explanation, proof and purchase or signup actions.
What not to copy
Do not copy a layout simply because it looks polished. A structure that works for a webinar signup may be wrong for a high-consideration service or software trial.