In the Hypertext Transfer Protocol (HTTP), HTTP header fields contain the operating parameters of an HTTP request or response. With the request or response line (first line of message), they form the message header.

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Handling bots that request URLs in paths

In my server log, I found at least one IP address to be requesting a full URL in an awkward place. For example, the header the client sends to my server is this: GET http://www.3rdpartysite.com/file....
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Is it an overkill to specify the accept-ranges header for small HTML pages?

I tested my site homepage through rigor.com (formerly zoompf.com) and they believe all resources should have an accept-ranges header, but since my HTML code size is under 20 KB (mostly under 10 KB), I ...
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How lenient should I be when checking the range header parameters?

I made more of my URLs now accept the HTTP range request so that only user requested bytes of the document can be parsed. This is the range header my code supports: range: bytes=s-e where s is the ...
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Is a Server and Date HTTP header really necessary for error or redirecting pages?

On practically every URL I visit using the command-line tool CURL, there is always a server identification header and date header outputted regardless of the status of the request. For example, on my ...
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Apache 404 Issue after upgrading from Mavericks to Yosemites

Good afternoon fellow StachExachangers, Background story: I have recently upgraded my macbook pro from Mavericks to Yosemites, everything went well except my local development environment got ...
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X-Robots-Tag: noindex on an HTTP 302 response to remove subdomain

This very related to this question "X-Robots-Tag: noindex" on an HTTP 301 response, however I don't see a definitive answer. We have subdomains we use for our affiliate links, the ...