Start in Google Sheets and create one row for the landing page with the page URL, campaign name, traffic source, target audience, offer, primary CTA, secondary CTA, form destination, launch date, owner, and success metric. Work in google sheets and capture the concrete operating details: source links, buyer context, audience, claims, proof points, owner, review status, and the final deliverable link. Keep the work narrow: complete step 1, record the decision or asset created, and avoid changing unrelated parts of the workflow. Before moving on, check that the numbers reconcile to source systems and the team can see what changed, why it changed, and what to do next; the expected handoff is A landing page QA brief with goal, audience, traffic source, CTA, owner, and success metric.