Ahrefs, SEMrush, and Sitebulb crawl your storefront the same way they crawl any other CMS: they fetch the rendered HTML, parse what is publicly visible, and infer schema from microdata they can see. On Shopify, that misses the parts of the rendering layer that actually decide which URLs Google can rank — the Liquid templates, the theme.liquid JSON-LD blocks, the variant schemas wired into product metafields, and the canonical chain that Shopify constructs dynamically per collection filter.
MySEOShop was built by 19 ex-Shopify, ex-Ahrefs, and ex-Searchmetrics engineers specifically to read that layer. The audit engine talks directly to Shopify's Storefront and Admin APIs, introspects theme.liquid JSON-LD before it reaches the browser, and reconstructs the canonical graph Shopify actually serves — including paginated collection routes, variant URLs, and faceted-nav blocks that generic crawlers either skip or misread. That is why Schema Coverage Scores lift from an average of 41/100 to 87/100 within 21 days, and why the collection-page cannibalization detector can scan 50+ URLs in under 90 seconds without leaving the admin.
It is also why MySEOShop tracks visibility across Google's AI Overviews, Perplexity, and ChatGPT search — covering 11 answer-engine result types as of January 2026. AI Overviews cite schema and entity signals that generic crawlers do not parse. If your SEO tool cannot read Liquid and JSON-LD natively, it cannot tell you which of your products are being cited by an answer engine and which are not.