Paste a URL and get 55 checks across 9 copywriting lenses. Every finding quotes your page, proposes a concrete fix, and cites its source: Ogilvy, Cialdini, Schwartz, CXL. Free quick audit: 16 checks, no signup, about a minute. Full report $29 one-time. New since v1: all 9 lenses live, payments, and a public teardown gallery of 12 famous SaaS landings.
Most audit tools say "add social proof" with no evidence. PageLint traces every fix to a primary source: Ogilvy's Confessions, Schwartz's Breakthrough Advertising, Cialdini's Influence, and CXL Institute research.
55 checks across 8 lenses: clarity, relevance, value, trust, friction, and more. Every recommendation cites the book, study, or ruling it came from.
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