洞察跳转路径。
精准定位问题。

// GET /api/check
// Query params: url (required), ua (optional), ignoreSSL (optional)
// CORS: Access-Control-Allow-Origin: *
const response = await fetch('https://www.redirectcheck.org/api/check?url=https://example.com');
const data = await response.json();

// Optional custom user agent
const response2 = await fetch(
  'https://www.redirectcheck.org/api/check?url=https://example.com&ua=CustomBot/1.0'
);

// Success response
// {
//   url: 'https://example.com/',
//   redirects: [{ from, to, status_code, duration, headers }],
//   final_result: { final_url, status_code }
// }

// Error response
// {
//   url: 'https://example.com/',
//   error: true,
//   error_message: '...',
//   error_type: 'FETCH_ERROR',
//   redirects: [],
//   final_result: null
// }