Delicious - remove low link rank sites

removeLowRank.js

//selects all links in delicious page with link rank <= var for deletion
var minimumLinkRank = 10;

clearInterval(scroll);
var scroll = window.setInterval(function() {
    window.scrollTo(0,document.body.scrollHeight);
}, 5000);

var feedList = document.querySelector('.link-list');
var historyLength = feedList.children.length;
var i = 0;

var clickLink = window.setInterval(function() {
    var link = feedList.children[i];
    if (+(link.querySelector('.link-rank').children[0].textContent) <= minimumLinkRank) {
        link.children[0].click();
    }
    i++;
    if (i >= historyLength) {
        clearInterval(clickLink);
    }
}, 500);

clearInterval(clickLink);

Other ideas:

Find broken links
Find deprecation of links (site shut down, not maintained)
Find last updated