The inverted pyramid is a writing structure from journalism: lead with the conclusion, follow with important details, end with background context. The goal is that a reader who stops at any point has already received the most valuable information. For newspapers, it meant editors could cut from the bottom without losing the story. For landing pages, it means scanners get the point even if they never read past the headline.
Most landing page copy does the opposite — it builds up to the value proposition through setup, context, and preamble. "In a world where teams struggle with communication..." Nobody cares about the world-building. Lead with the outcome your product delivers, then explain how, then provide evidence. Not the other way around.
Applying the inverted pyramid to landing pages
Structure each section this way: headline states the benefit, first sentence expands on it, following text provides proof or detail. The hero section does this for the entire page. Each feature block does it at the section level. Even individual paragraphs should front-load the point.
Test this with the "first line only" test: read just the headline and first sentence of every section on your page. If those alone communicate your core value proposition, features, and credibility — your inverted pyramid is working. If they're vague without the supporting text, you've buried the lead.