Developer Boosts AI Visibility of React Portfolio Site from 27 to 85 with Simple Fixes

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A software developer discovered his React single-page application (SPA) scored just 27 out of 100 on an AI Engine Optimization (AEO) report, placing it in the bottom 25% for AI discoverability. The core problem was that AI crawlers like GPTBot and ClaudeBot do not execute JavaScript, meaning they saw only an empty HTML div instead of the site's actual content. To fix this, the developer added a sitemap, canonical URL tags, and explicitly listed AI crawlers in the robots.txt file to improve discoverability. He also embedded over 500 words of semantic HTML in a noscript block, restructured heading tags for proper hierarchy, and added JSON-LD structured data schemas covering his personal profile, website metadata, and a FAQ section. These changes, made in a single afternoon, raised his AEO score to approximately 85, demonstrating how JavaScript-heavy sites can remain effectively invisible to AI systems without static, crawlable content.

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