<p>
   <a href="https://lanyou.vip" target="_blank">https://lanyou.vip</a> <span speed="https://lanyou.vip/" style="padding-left: 8px;">测速中</span>
</p>
<p>
    <a href="https://www.baidu.com" target="_blank">https://www.baidu.com</a><span speed="https://www.baidu.com/" style="padding-left: 8px;">测速中</span>
</p>
<script>
	var ping = 1;
	setInterval("ping++", 1);
	function test(i) {
		$("span[speed]").each(function(x) {
			if (i === x) {
				var str = "较慢";
				if (ping < 300) {
					$(this).css("color", "green");
					str = "极快";
				}
				if (ping > 300 && ping < 500) {
					$(this).css("color", "#00FF00");
					str = "较快";
				}
				if (ping > 500) {
					$(this).css("color", "#666666");
				}
				$(this).text("" + str + "" + "(" + ping * 1 + "ms)");
			}
		});
	}
	$(function() {
		$("span[speed]").each(function(i) {
			var sortid = $(this).attr("speed");
			var self = $(this);
			self.append('<img src="' + sortid + '?' + Math.random() +
				'" width="1" height="1" style="display:none" onerror=test(' + i + ') >');
		});
	});
</script>