HTTP Status Code Query Tool
This tool sends HTTP requests to detect the return status code of the target URL, suitable for website maintenance, SEO optimization and development debugging scenarios. Core Functions
• Instant status checking： Get the latest status code of a web page (e.g. 200/404/500, etc.). Redirect analysis： Analyze 301 permanent jumps and 302 temporary jump paths. Server Diagnostics： Identify server-side problems such as 503 service unavailability Common Status Codes
200 - Successful request
301 - Resource permanently migrated (SEO weight transfer)
302 - Resource temporarily jumped (no weight transfer)
404 - Page does not exist
500 - Internal server error Usage Scenarios
• Checking URL status during website migration
• Monitor the availability of API interface
• Troubleshooting search engine crawling anomalies Support HTTPS protocol detection, can be used directly through the browser without installation.