CURL Script to Get Web Site's Info / Stats

I need a script that will GET the url from the URL parameter and store information about the website like the page headers, ip address, alexa information, etc.. I don't need to store the body.. just header info.. word count, h1, h2, h3 tag count, etc. I can provide an example site if requested, i don't want to publicize the URL. Example URL: [login to view URL]