Give each page type a clear job
Listing pages should explain the offer itself, while profile pages should establish the broader seller or professional entity behind multiple offers.
Avoid duplicated metadata templates
If titles, descriptions, and H1 patterns are too similar across both surfaces, search engines get weaker signals about which page best answers a query.
Use internal links to reinforce hierarchy
Profiles should link to key listings and listings should link back to the profile, but the surrounding copy should make the hierarchy obvious to both users and crawlers.