diff --git a/server.js b/server.js
index b96faa1dc7f0e..ef0dae433c860 100644
--- a/server.js
+++ b/server.js
@@ -3,6 +3,7 @@
 const countBy = require('lodash.countby');
 const dom = require('xmldom').DOMParser;
 const jp = require('jsonpath');
+const moment = require('moment');
 const path = require('path');
 const prettyBytes = require('pretty-bytes');
 const queryString = require('query-string');
@@ -5500,39 +5501,37 @@ cache(function(data, match, sendBadge, request) {
 }));
 
 // SourceForge integration.
-camp.route(/^\/sourceforge\/([^/]+)\/([^/]*)\/?(.*).(svg|png|gif|jpg|json)$/,
+camp.route(/^\/sourceforge\/(dt|dm|dw|dd)\/([^/]*)\/?(.*).(svg|png|gif|jpg|json)$/,
 cache(function(data, match, sendBadge, request) {
-  var info = match[1];      // eg, 'dm'
-  var project = match[2];   // eg, 'sevenzip`.
-  var folder = match[3];
-  var format = match[4];
-  var apiUrl = 'http://sourceforge.net/projects/' + project + '/files/' + folder + '/stats/json';
-  var badgeData = getBadgeData('sourceforge', data);
-  var time_period, start_date, end_date;
-  if (info.charAt(0) === 'd') {
-    badgeData.text[0] = getLabel('downloads', data);
-    // get yesterday since today is incomplete
-    end_date = new Date((new Date()).getTime() - 1000*60*60*24);
-    switch (info.charAt(1)) {
-      case 'm':
-        start_date = new Date(end_date.getTime() - 1000*60*60*24*30);
-        time_period = '/month';
-        break;
-      case 'w':
-        start_date = new Date(end_date.getTime() - 1000*60*60*24*6);  // 6, since date range is inclusive
-        time_period = '/week';
-        break;
-      case 'd':
-        start_date = end_date;
-        time_period = '/day';
-        break;
-      case 't':
-        start_date = new Date(99, 0, 1);
-        time_period = '/total';
-        break;
-    }
+  const info = match[1];      // eg, 'dm'
+  const project = match[2];   // eg, 'sevenzip`.
+  const folder = match[3];
+  const format = match[4];
+  let apiUrl = 'http://sourceforge.net/projects/' + project + '/files/' + folder + '/stats/json';
+  const badgeData = getBadgeData('sourceforge', data);
+  let time_period, start_date;
+  badgeData.text[0] = getLabel('downloads', data);
+  // get yesterday since today is incomplete
+  const end_date = moment().subtract(24, 'hours');
+  switch (info.charAt(1)) {
+    case 'm':
+      start_date = moment(end_date).subtract(30, 'days');
+      time_period = '/month';
+      break;
+    case 'w':
+      start_date = moment(end_date).subtract(6, 'days');  // 6, since date range is inclusive
+      time_period = '/week';
+      break;
+    case 'd':
+      start_date = end_date;
+      time_period = '/day';
+      break;
+    case 't':
+      start_date = moment(0);
+      time_period = '';
+      break;
   }
-  apiUrl += '?start_date=' + start_date.toISOString().slice(0,10) + '&end_date=' + end_date.toISOString().slice(0,10);
+  apiUrl += '?start_date=' + start_date.format("YYYY-MM-DD") + '&end_date=' + end_date.format("YYYY-MM-DD");
   request(apiUrl, function(err, res, buffer) {
     if (err != null) {
       badgeData.text[1] = 'inaccessible';
@@ -5540,8 +5539,8 @@ cache(function(data, match, sendBadge, request) {
       return;
     }
     try {
-      var data = JSON.parse(buffer);
-      var downloads = data.total;
+      const data = JSON.parse(buffer);
+      const downloads = data.total;
       badgeData.text[1] = metric(downloads) + time_period;
       badgeData.colorscheme = downloadCountColor(downloads);
       sendBadge(format, badgeData);
diff --git a/services/sourceforge/sourceforge.tester.js b/services/sourceforge/sourceforge.tester.js
new file mode 100644
index 0000000000000..b045812248fa7
--- /dev/null
+++ b/services/sourceforge/sourceforge.tester.js
@@ -0,0 +1,54 @@
+'use strict';
+
+const Joi = require('joi');
+const ServiceTester = require('../service-tester');
+const {
+	  isMetric,
+	  isMetricOverTimePeriod
+} = require('../test-validators');
+
+const t = new ServiceTester({ id: 'sourceforge', title: 'SourceForge' });
+module.exports = t;
+
+t.create('total downloads')
+  .get('/dt/sevenzip.json')
+  .expectJSONTypes(Joi.object().keys({
+    name: 'downloads',
+    value: isMetric,
+  }));
+
+t.create('monthly downloads')
+  .get('/dm/sevenzip.json')
+  .expectJSONTypes(Joi.object().keys({
+    name: 'downloads',
+    value: isMetricOverTimePeriod,
+  }));
+
+t.create('weekly downloads')
+  .get('/dw/sevenzip.json')
+  .expectJSONTypes(Joi.object().keys({
+    name: 'downloads',
+    value: isMetricOverTimePeriod,
+  }));
+
+t.create('daily downloads')
+  .get('/dd/sevenzip.json')
+  .expectJSONTypes(Joi.object().keys({
+    name: 'downloads',
+    value: isMetricOverTimePeriod,
+  }));
+
+t.create('invalid project')
+  .get('/dd/invalid.json')
+  .expectJSON({
+    name: 'downloads',
+    value: 'invalid',
+  });
+
+t.create('total downloads (connection error)')
+  .get('/dt/sevenzip.json')
+  .networkOff()
+  .expectJSON({
+    name: 'downloads',
+    value: 'inaccessible'
+  });