json-schema.org — September 2026 traffic, keywords & AI visibility

json-schema.org draws an estimated 8,276 visits a month from search engines. Effectively all of it is organic — about 8,276 visits from unpaid results. Spread across 1,640 ranking keywords, that averages roughly 5.0 organic visits per keyword.

On our AI visibility scale json-schema.org earns 73 of 100 points, a grade B. It takes full marks for LLMS.txt. The biggest gap is Crawlability, at 0 of 10 points (robots ✗ · sitemap ✗), worth 10 points if closed. It also loses points on Company profile (16/25), Structured data (0/5) and SEO health (17/20).

The llms.txt on json-schema.org runs to 131 lines (7,498 characters) across 12 sections, last generated in September 2026. It introduces the site as "JSON Schema". It tells AI engines the business works in Software & Internet, Data Validation and API Development. It describes 3 products, with prices such as JSON Schema Core at Free, JSON Schema Validation at Free and JSON Schema Hyper-Schema at Free. Technologies it mentions include JSON, YAML and OpenAPI. The keywords it claims start with "json schema", "data validation", "api contracts" and "json validation".

# JSON Schema

## About
JSON Schema provides a clear way to describe the structure of JSON data so teams can validate documents before they cause problems downstream. Developers use it to define expected fields, data types, and constraints without writing custom code for every check. The spec has grown through community contributions since its early days and now supports complex patterns like conditional logic and reusable definitions. Companies embed JSON Schema in APIs, configuration systems, and data pipelines to catch errors early and keep systems stable. Tooling around the standard includes validators in most popular languages plus editors that offer live feedback while writing schemas. Because the format is declarative, teams can share the same schema across frontend, backend, and documentation without duplication. The project stays independent and open so anyone can implement support or extend it for specialized needs. Adoption shows up in everything from form builders to database migrations where consistent data shapes matter. Contributors maintain a test suite that helps new implementations stay compatible with the core rules. Documentation on the site walks through basic to advanced usage with plenty of real examples. The standard continues to evolve based on feedback from people actually using it in production. Integration with OpenAPI and other formats makes it easy

Google lists json-schema.org for about 1,640 keywords, which together bring an estimated 8,276 organic visits a month.

The latest technical audit of json-schema.org scored 88 out of 100 overall. Accessibility is its weakest area at 77, while performance scores highest at 99. The audit makes 12 recommendations in all, and 4 of the 4 listed first are rated high priority or critical.

JSON Schema's company profile names swagger.io, postman.com, insomnia.rest and stoplight.io as competitors. Its own llms.txt adds apievangelist.com and raml.org. Outside its market, the domains ranked closest to it in our worldwide ranking are arvixeshared.com, bcit.ca, brenebrown.com and trustpielote.com.

swagger.io

postman.com

insomnia.rest

stoplight.io

apievangelist.com

raml.org