Detecting AI-Generated Web Content from Structure Alone: SlopShape's Fingerprinting Architecture
AI-generated marketing content is everywhere. The problem is not quality. The problem is homogeneity. When five frontier models rewrite 2,250 human blog posts, they produce pages that share a structural fingerprint so consistent that a classifier can identify them at 97.0% macro-F1 without reading a single word. SlopShape, a paper from Sitefire (YC W26), shows that AI-generated commercial web…
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