Free online server status checker. Quickly check if a website or server is online. Supports HTTP/HTTPS protocols with real-time status code and response time monitoring. Client-side only, no data stored.
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Enter a URL and click Check
💡 Tip: Some sites block CORS requests. Try publicly accessible URLs.
How to Use the Server Status Checker
Validate your content with the Server Status Checker in three steps:
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Enter Content to Validate
Type, paste, or upload the content you want to validate into the input area. The tool accepts direct text input and file upload for batch processing.
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Run Validation
Click the "Validate" or "Check" button to analyze your content. The tool performs a thorough check and provides detailed feedback, including error locations and suggested fixes.
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Review Results
View the validation results, including any errors, warnings, or success messages. If errors are found, the tool highlights their exact location to help you fix them quickly.
FAQ
这个工具如何检测服务器状态？
工具通过向目标URL发送HTTP请求来检测服务器状态。会返回HTTP状态码（如200正常、404找不到、500服务器错误等）和响应时间。由于浏览器安全限制，所有检测均在浏览器端通过Fetch API完成。
为什么有些网站检测结果是'无法连接'？
可能的原因包括：目标网站屏蔽了跨域请求（CORS）、网站已宕机、输入的URL格式不正确、或者浏览器安全策略限制。建议检查URL格式（如https://example.com），或换个网站测试。
检测结果准确吗？
由于浏览器同源策略限制，本工具只能检测支持CORS的服务器。对于不支持CORS的网站，工具会显示'跨域限制'提示。这并不一定代表服务器宕机，只是浏览器无法获取响应。
数据会被保存吗？
不会。所有检测完全在浏览器本地进行，不会将任何检测记录发送到服务器或存储。你的检测历史在刷新页面后会清除。