| User agent |
|---|
| Mozilla/5.0 (compatible; Google-Structured-Data-Testing-Tool +http://developers.google.com/structured-data/testing-tool/) |
| Mozilla/5.0 (compatible; Google-Structured-Data-Testing-Tool +https://search.google.com/structured-data/testing-tool) |
| Google-Structured-Data-Testing-Tool +https://search.google.com/structured-data/testing-tool) |