Cardio Twister™ - Get Fit With A Whole New Twist
function alexa() {
$domain = "http://data.alexa.com";
$keylength = 14; // the resulting length of the keyid. 14 and 15 were seen in the wild.
// session_start() must have already been set. If so, this will ensure that each visitor maintains the same keyid throughout the entire visit.
if (isset($_SESSION['alexa_keyid'])) {
$keyid = $_SESSION['alexa_keyid'];
} else {
$keyid = substr(str_shuffle("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"),0,$keylength);
$_SESSION['alexa_keyid'] = $keyid;
}
$cli = "10"; // ???
$dat = "snba"; // ???
$ver = "7.2"; // version number of toolbar?
$cdt = "alx_vw"; // ???
$wid = rand(0,32767); // appears to be a random integer initiated when the browser starts.
$act = "00000000000"; // ???
$ssarray = array ("800x800", "1024x768", "1280x768", "1280x800",
"1280x1024", "1600x1200", "1680x1050", "1920x1200");
shuffle($ssarray);
$ss = $ssarray[0]; // browser screensize. Resulting value is chosen at random from an array of values.
$bw = "1523"; // bandwidth? probably used in calculating metrics related to visitor connection speeds (noted values are close to common
// connection speeds like 768k, 1mb, 1.5mb, etc.)
$t = "0"; // ???
$ttl = rand(200,1000); // time-to-live? probably used in calculating average load times
$vis = "1"; // ???
$rq = rand(15,80); // appears to increment with each toolbar request
$url = "http://<<>>/";
$params="/data/".$keyid."?cli=".$cli."&dat=".$dat."&ver=".$ver."&cdt=".$cdt."&wid=".$wid."&act=".$act."&ss=".$ss."&bw=".$bw."&t=".$t."&ttl=".$ttl."&vis=".$vis."&rq=".$rq."&url=".$url;
return $domain.$params;
}
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Finally, insert somewhere on your page the following:
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