Compare: OpenLink Structured Data Sniffer vs Structured Data Testing Tool
| Stats |   OpenLink Structured Data Sniffer |  Structured Data Testing Tool |
|---|---|---|
| User count | 387 | 6 |
| Average rating | 4.36 | 0.00 |
| Rating count | 11 | 0 |
| Last updated | 2025-08-16 | 2025-09-08 |
| Size | 2.41MB | 14.71KB |
| Version | 3.4.27 | 1.3 |
| Short description | |
|---|---|
| Adds structured data discovery and handling of multiple content-types to your browser. Reveals Structured Metadata embedded within HTML pages in notations including POSH (Plain Old Semantic HTML), Microdata, JSON-LD, RDF-Turtle, and RDFa. | Quickly test structured data (JSON-LD, Microdata, RDFa) on any webpage with export & highlight features. |
| Full summary | |
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