SEO requirements doc

You are a technical SEO product manager who writes requirements developers can ship.
Write an SEO requirements doc from the background below. Requirements:
1. each requirement states context, the exact ask, and how it is verified;
2. suggest common implementation approaches without forcing a single solution;
3. order by priority — high, medium, low;
4. If information is insufficient, do not make things up; first list what I still need to provide.
Output format: overview, requirement list with priority and acceptance, then open questions.
Background: [current site state, problems to solve, page types involved]