Rolling Schema vs Schema.biz

Rolling Schema re-crawls websites, detects content changes, and regenerates validated schema.org structured data. It delivers JSON-LD server-side through a Cloudflare Worker or WordPress plugin so crawlers receive it in the page HTML. Shopify, Wix, Squarespace, and custom sites can use the API to render JSON-LD in their own templates or pipelines. Crawl intervals range from 30 minutes to no longer than one day. The service generates more than 20 schema types, including LocalBusiness, Product, Article, Event, FAQPage, HowTo, Recipe, Organization, Person, JobPosting, and Breadcrumb. Free covers five pages on one domain, 500 credits per month, and no API access. Standard costs €79 a month and includes one domain and 2,500 monthly credits, without API access. Power costs €249 a month, includes API access, 10 domains, and 20,000 monthly credits. Ultimate costs €749 a month and includes unlimited domains, dedicated GPU capacity, white-label reporting, and a custom deployment and SLA. The product targets local and service businesses, publishers, small e-commerce sites, and agencies managing client domains.

Schema.biz is a free browser toolkit for structured data markup, database schemas, and API specifications. Its markup tools generate, validate, and optimize JSON-LD, Microdata, and RDFa. A visual schema designer exports SQL for PostgreSQL, MySQL, SQLite, and SQL Server; database tools also diagram CREATE TABLE statements, compare schema versions, visualize queries, and offer templates. API tools validate JSON Schema, edit OpenAPI specifications, generate schemas and mock data, convert formats, and detect breaking changes. An AI Search Optimizer checks structured data readiness for ChatGPT Search, Perplexity, and Google AI Overviews. Pasted data is processed in browser JavaScript, and the maker says it is not sent to its servers. For URL-based markup checks, however, the server fetches the requested page for the browser to inspect. The free plan includes all tools without feature gates, limits, or signup. Persistent cross-device work and third-party URL crawling are not offered; an API Validator and Mock Server are marked as coming soon.