Schema.dev
6.1#8 in schema markup toolsFree planFree planWebAPIExtension
VisitSchema.dev vs VitalSentinel Schema Validator
VitalSentinel Schema Validator
6.8#2 in schema markup toolsFrom $39 a monthFree planWebAPI
VisitWhat both publish
| Fact | Schema.dev | VitalSentinel Schema Validator |
|---|---|---|
| Headquarters | Chicago, Illinois, United States | Bratislava, Slovakia |
| Support | The site links to a help center with a knowledge base and community contact option. | The pricing page says custom solutions for large organizations can include dedicated support and SLAs. |
Schema.dev plans
- Schema Builder Chrome extensionFree
- Schema Tester UIFree
VitalSentinel Schema Validator plans
- Free planFree
- Starter$39 a month
- Lite$129 a month
- Standard$249 a month
- Advanced$449 a month
Pick Schema.dev if…
Schema.dev suits site owners and SEO professionals who need to create or validate structured data. Its tester may be useful for teams checking implementations in pre-production and production environments.
Pick VitalSentinel Schema Validator if…
It suits website owners, developers, SEO professionals, and agencies who need to inspect JSON-LD on a page. The API and MCP options may also suit users integrating validation into their workflows.