How quickly a landing page loads and becomes usable. Google's Core Web Vitals (loading, interactivity, visual stability) are a ranking and Quality Score input, and slow pages lose a measurable share of paid clicks before the page renders, a loss that never appears in platform reporting.
Related terms
Used in The Signal
Cite this entry:
Agency Echelon. "Page Speed." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/page-speed/