I only need to know whether a specific call returns 200 but:

  , "StatusCode"
] // AbsoluteTiming
{15.141, 200}

So it clearly downloads whole 10MB. Similar curl command returns almost instantaneously:

 curl -I http://exampledata.wolfram.com/10mb.dat

so it is clearly possible. How to do this so it will work on every V10+ installation?


1 Answer 1

URLFetch["http://exampledata.wolfram.com/10mb.dat", "StatusCode", 
  Method -> "HEAD"] // AbsoluteTiming

{0.383878, 200}

  • $\begingroup$ +1 for good dig.Though the color is red,it's seem also serve for URLRead.And I'm in 11.1. $\endgroup$
    – yode
    Apr 20, 2017 at 8:46

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