diff --git a/var/www/static/js/d3/barchart_stack.js b/var/www/static/js/d3/barchart_stack.js
new file mode 100644
index 00000000..fe356795
--- /dev/null
+++ b/var/www/static/js/d3/barchart_stack.js
@@ -0,0 +1,154 @@
+//Requirement:	- D3v5
+//				- jquery
+// data input: var data = [{ date: "2024-02-21", down: 0, up: 0}, { date: "2024-02-22", down: 1, up: 3}]
+//
+
+const barchart_stack = (container_id, data, options) => {
+
+	const defaults = {
+        style: {
+            stroke: "rgb(0, 0, 0)",
+            strokeWidth: 2,
+			strokeWidthHover: 4.5
+        },
+		margin: {top:20, right:90, bottom:55, left:0},
+		width: 500,
+		height: 500
+	};
+
+	options = $.extend(true, defaults, options);
+
+	let width_graph = options.width - options.margin.left - options.margin.right;
+	let height_graph = options.height - options.margin.top - options.margin.bottom;
+
+	let x = d3.scaleBand().rangeRound([0, width_graph]).padding(0.1);
+	let y = d3.scaleLinear().rangeRound([height_graph, 0]);
+
+	let xAxis = d3.axisBottom(x);
+	let yAxis = d3.axisLeft(y);
+
+	let color = d3.scaleOrdinal(d3.schemeSet3);
+
+	let svg = d3.select("#"+container_id).append("svg")
+			.attr("viewBox", "0 0 "+width_graph+" "+options.height)
+			.attr("width",  options.width)
+			.attr("height", options.height)
+        .append("g")
+			.attr("transform", "translate("+options.margin.left+","+options.margin.top+")");
+
+	// popover
+	$('[data-toggle="popover"]').popover({
+		placement: 'top',
+		container: 'body',
+		html : true,
+	});
+
+    const mouseover = function(d) {
+        $(this).popover({
+			title: d.name,
+			placement: 'top',
+			container: 'body',
+			trigger: 'manual',
+			html : true,
+			content: function() {
+          		return d.label + "<br/>num: " + d3.format(",")(d.value ? d.value: d.y1 - d.y0);
+			}
+      	});
+      	$(this).popover('show')
+    }
+    const mouseleave = function(d) {
+        $('.popover').each(function() {
+			$(this).remove();
+        });
+    }
+
+	let labelVar = 'date';
+	let varNames = d3.keys(data[0])
+						.filter(function (key) { return key !== labelVar;});
+
+	data.forEach(function (d) {
+		let y0 = 0;
+		d.mapping = varNames.map(function (name) {
+			return {
+				name: name,
+		        label: d[labelVar],
+		        y0: y0,
+		        y1: y0 += +d[name]
+			};
+		});
+		d.total = d.mapping[d.mapping.length - 1].y1;
+	});
+
+	x.domain(data.map(function (d) { return (d.date); }));
+	y.domain([0, d3.max(data, function (d) { return d.total; })]);
+
+	svg.append("g")
+        .attr("class", "x axis")
+        .attr("transform", "translate(0," + height_graph + ")")
+        .call(xAxis)
+			.selectAll("text")
+				.style("fill", "steelblue")
+				.attr("transform", "rotate(-18)" )
+				//.attr("transform", "rotate(-40)" )
+				.style("text-anchor", "end");
+
+	svg.append("g")
+        .attr("class", "y axis")
+        .call(yAxis)
+      	.append("text")
+        	.attr("transform", "rotate(-90)")
+        	.attr("y", 6)
+        	.attr("dy", ".71em")
+        	.style("text-anchor", "end");
+
+	let selection = svg.selectAll(".series")
+		.data(data)
+		.enter().append("g")
+		      .attr("transform", function (d) { return "translate(" + x((d.date)) + ",0)"; });
+
+	selection.selectAll("rect")
+		.data(function (d) { return d.mapping; })
+	    .enter().append("rect")
+			  	.attr("width", x.bandwidth())
+			  	.attr("y", function (d) { return y(d.y1); })
+			  	.attr("height", function (d) { return y(d.y0) - y(d.y1); })
+			  	.style("fill", function (d) { return color(d.name); })
+			  	.style("stroke", "grey")
+			  	.on("mouseover", mouseover)
+				.on("mouseout", mouseleave)
+
+
+	data.forEach(function(d) {
+		if(d.total != 0){
+			svg.append("text")
+				.attr("dy", "-.35em")
+				.attr('x', x(d.date) + x.bandwidth()/2)
+				.attr('y', y(d.total))
+				.style("text-anchor", "middle")
+				.text(d.total);
+		}
+	});
+
+	// drawLegend(varNames)
+	let legend = svg.selectAll(".legend")
+            .data(varNames.slice().reverse())
+			.enter().append("g")
+				.attr("transform", function (d, i) { return "translate(0," + i * 20 + ")"; });
+
+	legend.append("rect")
+		.attr("x", width_graph)
+		.attr("width", 10)
+		.attr("height", 10)
+		.style("fill", color)
+		.style("stroke", "grey");
+
+	legend.append("text")
+		.attr("x", width_graph - 2)
+		.attr("y", 6)
+		.attr("dy", ".35em")
+		.style("text-anchor", "end")
+		.text(function (d) { return d; });
+
+	return svg
+
+}
diff --git a/var/www/templates/crawler/crawler_splash/last_crawled.html b/var/www/templates/crawler/crawler_splash/last_crawled.html
index 467fd1e6..d4a9363b 100644
--- a/var/www/templates/crawler/crawler_splash/last_crawled.html
+++ b/var/www/templates/crawler/crawler_splash/last_crawled.html
@@ -16,21 +16,9 @@
 	<script src="{{ url_for('static', filename='js/moment.min.js') }}"></script>
 	<script src="{{ url_for('static', filename='js/jquery.daterangepicker.min.js') }}"></script>
 	<script src="{{ url_for('static', filename='js/d3.min.js') }}"></script>
+    <script src="{{ url_for('static', filename='js/d3/barchart_stack.js') }}"></script>
 
 	<style>
-		.bar {
-				fill: steelblue;
-			}
-		.bar:hover{
-			fill: brown;
-			cursor: pointer;
-		}
-		.bar_stack:hover{
-			cursor: pointer;
-		}
-		.popover{
-    	max-width: 100%;
-		}
         .domain_name {
             display:inline-block;
             overflow: hidden;
@@ -103,6 +91,7 @@
 				</div>
 
                 <h3>Month Stats:</h3>
+                <div id="pie_chart_month"></div>
                 <div id="barchart_type_month"></div>
 
 			</div>
@@ -145,19 +134,20 @@ $(document).ready(function(){
 					$('#date-range-to-input').val(s2);
 			}
 	});
-	chart.stackBarChart = barchart_type_stack("{{ url_for('crawler_splash.crawlers_last_domains_json') }}?type={{type}}", '#barchart_type');
-    chart.stackBarChartMonth = barchart_type_stack("{{ url_for('crawler_splash.crawlers_last_domains_month_json') }}?type={{type}}", '#barchart_type_month');
 
-	chart.onResize();
-	$(window).on("resize", function() {
-		chart.onResize();
-	});
+    $.getJSON("{{ url_for('crawler_splash.crawlers_last_domains_json') }}?type={{type}}",
+        function (data) {
+                let div_width = $("#barchart_type").width();
+                barchart_stack("barchart_type", data, {"width": div_width});
+        }
+    );
 
-	$('[data-toggle="popover"]').popover({
-		placement: 'top',
-		container: 'body',
-		html : true,
-	});
+    $.getJSON("{{ url_for('crawler_splash.crawlers_last_domains_month_json') }}?type={{type}}",
+        function (data) {
+                let div_width = $("#barchart_type_month").width();
+                barchart_stack("barchart_type_month", data, {"width": div_width});
+        }
+    );
 
 });
 
@@ -176,166 +166,3 @@ function toggle_sidebar(){
 }
 </script>
 
-<script>
-
-
-function barchart_type_stack(url, svg_id) {
-
-    var margin = {top: 20, right: 90, bottom: 55, left: 0},
-        width = $(svg_id).width()
-        width  = width - margin.left - margin.right,
-                    height = 500  - margin.top  - margin.bottom;
-    var x = d3.scaleBand().rangeRound([0, width]).padding(0.1);
-
-    var y = d3.scaleLinear().rangeRound([height, 0]);
-
-    var xAxis = d3.axisBottom(x);
-
-    var yAxis = d3.axisLeft(y);
-
-    var color = d3.scaleOrdinal(d3.schemeSet3);
-
-    var svg = d3.select(svg_id).append("svg")
-        .attr("id", svg_id)
-        .attr("viewBox", "0 0 "+width+" 500")
-        .attr("width",  width  + margin.left + margin.right)
-        .attr("height", height + margin.top  + margin.bottom)
-        .append("g")
-        .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
-
-  d3.json(url)
-    .then(function(data){
-
-			var labelVar = 'date';  //A
-		  var varNames = d3.keys(data[0])
-		      .filter(function (key) { return key !== labelVar;}); //B
-
-		  data.forEach(function (d) { //D
-		    var y0 = 0;
-		    d.mapping = varNames.map(function (name) {
-		      return {
-		        name: name,
-		        label: d[labelVar],
-		        y0: y0,
-		        y1: y0 += +d[name]
-		      };
-		    });
-		    d.total = d.mapping[d.mapping.length - 1].y1;
-		  });
-
-		  x.domain(data.map(function (d) { return (d.date); })); //E
-		  y.domain([0, d3.max(data, function (d) { return d.total; })]);
-
-			svg.append("g")
-        .attr("class", "x axis")
-        .attr("transform", "translate(0," + height + ")")
-        .call(xAxis)
-				.selectAll("text")
-					.attr("class", "bar")
-					.on("click", function (d) { window.location.href = "#" })
-					.attr("transform", "rotate(-18)" )
-					//.attr("transform", "rotate(-40)" )
-					.style("text-anchor", "end");
-
-    	svg.append("g")
-        .attr("class", "y axis")
-        .call(yAxis)
-      	.append("text")
-        	.attr("transform", "rotate(-90)")
-        	.attr("y", 6)
-        	.attr("dy", ".71em")
-        	.style("text-anchor", "end");
-
-			var selection = svg.selectAll(".series")
-		    .data(data)
-		    .enter().append("g")
-		      .attr("class", "series")
-		      .attr("transform", function (d) { return "translate(" + x((d.date)) + ",0)"; });
-
-			selection.selectAll("rect")
-	      .data(function (d) { return d.mapping; })
-	    .enter().append("rect")
-				.attr("class", "bar_stack")
-	      .attr("width", x.bandwidth())
-	      .attr("y", function (d) { return y(d.y1); })
-	      .attr("height", function (d) { return y(d.y0) - y(d.y1); })
-	      .style("fill", function (d) { return color(d.name); })
-	      .style("stroke", "grey")
-	      .on("mouseover", function (d) { showPopover.call(this, d); })
-				.on("mouseout", function (d) { removePopovers(); })
-				.on("click", function(d){ window.location.href = "#" });
-
-
-				data.forEach(function(d) {
-					if(d.total != 0){
-						svg.append("text")
-								.attr("class", "bar")
-								.attr("dy", "-.35em")
-								.attr('x', x(d.date) + x.bandwidth()/2)
-								.attr('y', y(d.total))
-								.on("click", function () {window.location.href = "#" })
-								.style("text-anchor", "middle")
-								.text(d.total);
-					}
-				});
-
-			drawLegend(varNames);
-    });
-
-
-    function drawLegend (varNames) {
-        var legend = svg.selectAll(".legend")
-            .data(varNames.slice().reverse())
-          .enter().append("g")
-            .attr("class", "legend")
-            .attr("transform", function (d, i) { return "translate(0," + i * 20 + ")"; });
-
-        legend.append("rect")
-            .attr("x", width)
-            .attr("width", 10)
-            .attr("height", 10)
-            .style("fill", color)
-            .style("stroke", "grey");
-
-        legend.append("text")
-                    .attr("class", "svgText")
-            .attr("x", width - 2)
-            .attr("y", 6)
-            .attr("dy", ".35em")
-            .style("text-anchor", "end")
-            .text(function (d) { return d; });
-    }
-    chart.onResize = function () {
-        //var aspect = width / height, chart = $("#thesvg");
-        svg_g = $(svg_id)
-        var targetWidth = svg_g.parent().width();
-        svg_g.attr("width", targetWidth);
-        svg_g.attr("height", targetWidth / 2);
-    }
-
-    function removePopovers () {
-        $('.popover').each(function() {
-          $(this).remove();
-        });
-      }
-
-    function showPopover (d) {
-      $(this).popover({
-        title: d.name,
-        placement: 'top',
-        container: 'body',
-        trigger: 'manual',
-        html : true,
-        content: function() {
-          return d.label +
-                "<br/>num: " + d3.format(",")(d.value ? d.value: d.y1 - d.y0); }
-      });
-      $(this).popover('show')
-    }
-
-}
-
-
-window.chart = chart;
-
-</script>