I have written the copy for many websites of various sizes and purposes. To develop the most effective copy it is necessary to work with the website design team on the layout with an eye to the UX/UI. Creating a synergy between the messaging and the progression of the user experience gets the most successful desired results. We can monitor and adjust the copy with metrics and feedback over a period of time, maximizing the effect.
Here are a couple examples:
immigration service website:
A fashion company (including looping video on front page):