Your React app looks beautiful. Your Lighthouse score is 98. But Google still can't rank your content and you have no idea why. Most developers treat SEO like a mysterious black box: you write good content, add some meta tags, and hope for the best. The real problem is we're not measuring the right things at the right time. In this article, I'll show you how to build an automated SEO content analysis pipeline in your existing Node.js workflow — auditing keyword density, readability scores, and structured metadata — and where @power-seo/content-analysis fits into that picture without replacing your own judgment. The Problem: What Crawlers See vs. What You See Here's the counterintuitive thing: Google doesn't see your beautifully rendered React app. It sees the raw HTML returned by the server — or whatever the client-side renderer manages to output before the crawl budget runs out.…