# Missing structured data (JSON-LD) in Vue > How to fix missing structured data (json-ld) in Vue — with the exact fix and copy-paste code. _Category: AI readiness · Detector `aeo` · Check `structured-data-missing` · Severity: warning_ Answer engines and rich-result crawlers pull entities, facts, and answers out of `schema.org` `JSON-LD` — an author, a price, a rating, a FAQ. Without it they fall back to guessing from your prose, which is lossy and easy to get wrong. As AI assistants become how people find things, a page with no machine-readable summary is one they’re more likely to skip or misquote. ## The fix for Vue Inject the script with `@unhead/vue`’s `useHead` so it lands in `` during SSR. ```vue ``` [Vue docs](https://unhead.unjs.io/) ### Steps 1. Pick the `schema.org` type that matches the page (`Article`, `Product`, `FAQPage`, …) 2. Emit a `JSON-LD` script with `@context` `"https://schema.org"` and the key fields 3. Validate with Google’s Rich Results Test and `schema.org` validator ## How VibeCheck detects it The `aeo` detector flags this live in the browser and reports it to the widget's Problems list — and to your coding agent over MCP. - **Issue string:** `No structured data (JSON-LD)` - **Threshold:** No