Yes, it's a great point. We're working on updating the query param passthrough to handle params within the URL structure.
1. Pagination 2. Image URLs 3. Focus on page types such as product pages, posts etc. That way its easy to go from content to content. Will help crawling too 4. Link back to original page included in JSON
Finally common sites/pages used by multiple users of your systems should not count against the API count requirement under pricing. You may want to charge against total calls, like Parse.