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copied!<p>The W3C specification requires that redirects are followed automatically, as <a href="https://stackoverflow.com/questions/3820663/is-it-possible-for-xhr-head-requests-to-not-follow-redirects-301-302/3820674#3820674">@Nick suggested in the other answer</a>. However a property to disable redirects is being <a href="http://www.w3.org/TR/2008/WD-XMLHttpRequest-20080415/#notcovered" rel="nofollow noreferrer">considered by the W3C for a future version of this specification</a>:</p> <blockquote> <p>This specification does not include the following features which are being considered for a future version of this specification:</p> <ul> <li>load event and onload attribute;</li> <li>error event and onerror attribute;</li> <li>progress event and onprogress attribute;</li> <li>abort event and onabort attribute;</li> <li>Timers have been suggested, perhaps an ontimeout attribute;</li> <li><strong>Property to disable following redirects;</strong></li> <li>responseXML for text/html documents;</li> <li>Cross-site XMLHttpRequest;</li> <li>responseBody to deal with byte streams;</li> <li>overrideMimeType to fix up MIME types;</li> <li>getRequestHeader() and removeRequestHeader().</li> </ul> </blockquote> <p>However, I wouldn't hold my breath until this is implemented by all browsers. You may want to use a server-side proxy to handle this. Simply write a short script to do a <code>HEAD</code> request in your favourite server-side language/framework, and then use Ajax to query this service. You would also be able to do requests to third-party domains through the proxy as a positive side-effect.</p>

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