Page Headers

will return the http (server) header information from any valid URI. The http header information contains information about the webpage like: last modified, what type of server, if a redirect occured (and the location of the redirect) and the content length that will follow...

Or use the Page Headers Bookmarklet.

Just drag the blue bookmarklet link above to your Bookmarks. Then select the bookmark when your on a webpage that you want the headers for. You will be automatically taken to Page Headers with the headers displayed for the webpage you were on.

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