function getPagerank(url)
{
// start off with a random low PR
pagerank = randomNumber(0, 3);

if ( pageHostedOn(url, ‘google.com’) ) {
pagerank++;
}
else if ( pageHostedOn(url, ‘microsoft.com’) ) {
pagerank–;
}

if ( pageValidates(url) ) {
pagerank *= .5;
}

tag_value[’b'] = 1;
tag_value[’h2′] = 2;
tag_value[’h1′] = 3;
tag_value[’strong’] = -1; // W3C sux!
pagerank = calculateTagsPr(tag_value, pagerank);

// Sergey said good news sites have
// lots of nested tables
tablesOnPage = getTagCount(’table’);
if (tablesOnPage >= 50) {
pagerank += 2;
}

if (pagerank >= 5) {
pagerank = 4; // helps selling AdWords
}

if ( linksFrom(’mattcutts.com’, url) >= 4 ) {
// I link to “clean” sites only
// – Matt, Feb 2006
pagerank += 2;
}

pagerank += countBacklinks(url) / 10000;

blacklist1 = getList(’government.cn/censored.txt’);
blacklist2 = getList(’c:\larry-page-hatelist.txt’);
if ( inArray(blacklist1, url) ||
inArray(blacklist2, url) ) {
pagerank = 0;
}

d = dashesInUrl(url);
pagerank = (d >= 3) ? pagerank -1 : pagerank + 1;

if ( inString(url, “how to build a bomb”) ) {
// added on request. 2004-12-01.
recipient = “peter@homelandsecurity.gov”;
subject = “You might wanna check this…”;
sendMailTo(recipient, subject, url);

// page might still be relevant
pagerank++;
}

if ( month() == “June” || month() == “October” ) {
// makes people talk about
// PR updates, good publicity
pagerank -= randomNumber(1,3);
} 

if ( linkCol(url) == WHITE &&
pageCol(url) == WHITE ) {
// spammer!! Googleaxe it!!
pagerank = 0;
}

if (url == “http://www.nytimes.com”) {
// just testing, pls remove tomorrow
// – Frank, June 2003
pagerank = 10;
}

return pagerank;
}