// ==UserScript==
    // @name     hacker news favicons
    // @match  https://news.ycombinator.com/*
    // ==/UserScript==
    for (let link of document.querySelectorAll('.titlelink')) {
      if (link.attributes["hasIcon"] != 'true') {
        const domain = new URL(link.href).hostname
        const imageUrl = `https://icons.duckduckgo.com/ip3/${domain}.ico`
        const image = document.createElement('img')
        link.attributes["hasIcon"] = 'true'
        image.src = imageUrl
        image.width = 16
        image.height = 16
        image.style.paddingRight = '0.50em'
        image.style.paddingLeft = '0.50em'
        image.style.verticalAlign = 'middle';
        image.style.filter = 'grayscale(1)';
        link.prepend(image)
      }
    }