我正在尝试使用jq ajax从头部获取位置，但我总是得到错误
Failed to load (url): Response for preflight is invalid (redirect)
当我手动输入此链接时，我有这个标题：
一般
Request Method:GET
Status Code:302 Found
Referrer Policy:no-referrer-when-downgrade
响应标题：
CF-RAY: -
Connection:keep-alive
Content-Type:text/html; charset=UTF-8
Date:Mon, 22 Jan 2018 17:43:45 GMT
Location:(url)
Server:cloudflare
Transfer-Encoding:chunked
X-Powered-By:PHP/5.6.31
X-XSS-Protection:1; mode=block
请求标题：
Accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Accept-Encoding:gzip, deflate
Accept-Language:pl-PL,pl;q=0.9,en-US;q=0.8,en;q=0.7
Connection:keep-alive
Cookie:__cfduid=d492adcf2e9d6ffa375a396656fc23f461516631070; PHPSESSID=n25gce0ngc3j1m8198ob4g5m16
DNT:1
Host: -
Referer: -
Upgrade-Insecure-Requests:1
User-Agent:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36
我怎么才能得到这个网址，因为我不需要这个页面的内容。