Schema Markup Validator
验证和分析HTML中的JSON-LD结构化数据标记。
Frequently Asked Questions
Is the Schema标记验证器 free to use?
Yes, the Schema标记验证器 on Allio Tools is completely free with no sign-up or registration required. It works directly in your browser.
How does the Schema标记验证器 work?
验证和分析HTML中的JSON-LD结构化数据标记。 No data is sent to a server — everything runs locally in your browser for maximum privacy and speed.
Do I need to install anything to use the Schema标记验证器?
No installation needed. The Schema标记验证器 runs entirely in your web browser on any device — desktop, tablet, or mobile.
Is my data safe when using the Schema标记验证器?
Completely safe. The Schema标记验证器 processes everything locally in your browser. No input data, results, or usage information is ever transmitted to or stored on any server.
Does the Schema标记验证器 work offline?
After the page loads for the first time, the Schema标记验证器 works without an internet connection for all client-side processing. Tools that fetch live external data (such as DNS or WHOIS lookups) require an active connection.
How current is the data returned by the Schema标记验证器?
The Schema标记验证器 fetches live data in real time each time you run it. Results reflect the current state of the server or domain at the moment of the request.