diff --git a/index.html b/index.html
index 35c52ca4b6127af1943fe5ce22bfdbc1c093a05f..89a522847fea7163614adaee3efb128794c05204 100644
--- a/index.html
+++ b/index.html
@@ -31,8 +31,8 @@
       <thead>
         <tr>
           <th>URL</th>
-          <th>Velocidad</th>
-          <th>Respuesta (HTTP HEAD)</th>
+          <th>Velocidad, kbps</th>
+          <th>Respuesta, ms</th>
           <th>País</th>
           <th>Privacidad STUN</th>
           <th>Privacidad Host</th>
diff --git a/jitsimeter.js b/jitsimeter.js
index 13087a8da3425a99727ac475e340ddf665b1c13b..443794b916523ddc5ab87671117ee8659fe46124 100644
--- a/jitsimeter.js
+++ b/jitsimeter.js
@@ -8,8 +8,8 @@ $(document).ready(function() {
         "paging":   false,
         "columns": [
             { "data": "domain", render: function(value) { return "<a href='https://"+value+"'>"+value+"</a>"; } },
-            { "data": "download", defaultContent: "-", render: function(value) { return (value) ? value+" kbps" : "-"; } },
-            { "data": "rtt", defaultContent: "-", render: function(value) { return (value) ? value+" ms" : "-"; } },
+            { "data": "download", type: "num-fmt", defaultContent: "-"},
+            { "data": "rtt", type: "num-fmt", defaultContent: "-" },
             { "data": "countryCode" },
             { "data": "bad", render: function(value) { return (value === true) ? "Corporativo :(" : "Es privado :)"; } },
             { "data": "hosterBad", render: function(value) { return (value === true) ? "Corporativo :(" : "Es privado :)"; } },