Message
One clear offer; headline matches the traffic source; CTA describes the next action; major objections are answered.
UX
Mobile layout is readable; buttons are easy to tap; form labels are clear; no broken elements; page speed is acceptable.
Trust
Business identity is clear; claims are supportable; privacy expectations are visible; proof is relevant and not fabricated.
Measurement
Conversion event is defined; form destination works; analytics are firing; campaign parameters are preserved where needed.
Technical
HTTPS works; page title and description are sensible; favicon loads; canonical/indexing behavior is intentional.