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Asked: 2026-05-25T06:47:50+00:00

I don’t clear about how to count `Content-Length’ header in HTTP. Take an example,

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I don’t clear about how to count `Content-Length’ header in HTTP.

Take an example,

HEADER
...
Content-Type: text/html
(blank line `\r\n')
<html></html>
(blank line `\r\n')

This is a working http request sending an empty HTML page(correct me if any problem :-)). Then what should be the length of content? 15 or 17(take the blank line between header and sending entity into account)?

Thanks in advance. Best regards.

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1 Answer

  1. Editorial Team

    According to W3 Content-Lentgth is defined as followed:

    The Content-Length entity-header field indicates the size of the
    entity-body, in decimal number of OCTETs, sent to the recipient or, in
    the case of the HEAD method, the size of the entity-body that would
    have been sent had the request been a GET.

    As far as I understand it, you have to count everything after the first line break. My answer to your question would be 15 then.

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