You ask
Or Investigation flags it for you
Most landing page rewrites get triggered by a finding: ad relevance dropped, conversion rate diverged from the ad group average, or message match failed an audit. You can call the agent directly too.
01 / Trigger
Investigation flag
Ad relevance "below average" on the Free CRM signup campaign. Search-term match-quality dropped from 78% to 41% in 14 days.
Suggested handoff: Landing Page Agent. Rewrite the page to match the new buyer language.