diff --git a/4chan_x.user.js b/4chan_x.user.js
index 6dd950b45..3f9626920 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -2875,7 +2875,13 @@
           $.on(input, 'click', this.update);
         }
       }
-      return $.add(d.body, dialog);
+      $.add(d.body, dialog);
+      return $.on(d, 'visibilitychange ovisibilitychange mozvisibilitychange webkitvisibilitychange', function() {
+        Updater.unsuccessfulFetchCount = 0;
+        if (Updater.timer.textContent < -Conf['Interval']) {
+          return Updater.timer.textContent = -Updater.getInterval();
+        }
+      });
     },
     cb: {
       interval: function() {
@@ -2883,7 +2889,7 @@
         val = parseInt(this.value, 10);
         this.value = val > 5 ? val : 5;
         $.cb.value.call(this);
-        return Updater.timer.textContent = "-" + (Updater.getInterval());
+        return Updater.timer.textContent = -Updater.getInterval();
       },
       verbose: function() {
         if (Conf['Verbose']) {
@@ -2937,7 +2943,7 @@
           return;
         }
         Updater.unsuccessfulFetchCount++;
-        Updater.timer.textContent = "-" + (Updater.getInterval());
+        Updater.timer.textContent = -Updater.getInterval();
         /*
               Status Code 304: Not modified
               By sending the `If-Modified-Since` header we get a proper status code, and no response.
@@ -2975,7 +2981,7 @@
           return;
         }
         Updater.unsuccessfulFetchCount = 0;
-        Updater.timer.textContent = "-" + (Updater.getInterval());
+        Updater.timer.textContent = -Updater.getInterval();
         scroll = Conf['Scrolling'] && Updater.scrollBG() && lastPost.getBoundingClientRect().bottom - d.documentElement.clientHeight < 25;
         $.add(Updater.thread, nodes.reverse());
         if (scroll) {
@@ -2987,6 +2993,9 @@
       var i, j;
       i = +Conf['Interval'];
       j = Math.min(this.unsuccessfulFetchCount, 9);
+      if (!(d.hidden || d.oHidden || d.mozHidden || d.webkitHidden)) {
+        j = Math.min(j, 6);
+      }
       return Math.max(i, [5, 10, 15, 20, 30, 60, 90, 120, 300, 600][j]);
     },
     timeout: function() {
diff --git a/script.coffee b/script.coffee
index 2d2be6cee..a9556d2d3 100644
--- a/script.coffee
+++ b/script.coffee
@@ -2306,12 +2306,18 @@ Updater =
 
     $.add d.body, dialog
 
+    $.on d, 'visibilitychange ovisibilitychange mozvisibilitychange webkitvisibilitychange', ->
+      # Reset the counter when we focus this tab.
+      Updater.unsuccessfulFetchCount = 0
+      if Updater.timer.textContent < -Conf['Interval']
+        Updater.timer.textContent = -Updater.getInterval()
+
   cb:
     interval: ->
       val = parseInt @value, 10
       @value = if val > 5 then val else 5
       $.cb.value.call @
-      Updater.timer.textContent = "-#{Updater.getInterval()}"
+      Updater.timer.textContent = -Updater.getInterval()
     verbose: ->
       if Conf['Verbose']
         Updater.count.textContent = '+0'
@@ -2355,7 +2361,7 @@ Updater =
         return
 
       Updater.unsuccessfulFetchCount++
-      Updater.timer.textContent = "-#{Updater.getInterval()}"
+      Updater.timer.textContent = -Updater.getInterval()
 
       ###
       Status Code 304: Not modified
@@ -2389,7 +2395,7 @@ Updater =
       return unless count
 
       Updater.unsuccessfulFetchCount = 0
-      Updater.timer.textContent = "-#{Updater.getInterval()}"
+      Updater.timer.textContent = -Updater.getInterval()
       scroll = Conf['Scrolling'] && Updater.scrollBG() &&
         lastPost.getBoundingClientRect().bottom - d.documentElement.clientHeight < 25
       $.add Updater.thread, nodes.reverse()
@@ -2399,6 +2405,9 @@ Updater =
   getInterval: ->
     i = +Conf['Interval']
     j = Math.min @unsuccessfulFetchCount, 9
+    unless d.hidden or d.oHidden or d.mozHidden or d.webkitHidden
+      # Don't increase the refresh rate too much on visible tabs.
+      j = Math.min j, 6
     Math.max i, [5, 10, 15, 20, 30, 60, 90, 120, 300, 600][j]
 
   timeout: ->