diff --git a/client-vendor/after-body/jquery.tabs/jquery.tabs.js b/client-vendor/after-body/jquery.tabs/jquery.tabs.js
index 2264cebb9..f6b945c2d 100755
--- a/client-vendor/after-body/jquery.tabs/jquery.tabs.js
+++ b/client-vendor/after-body/jquery.tabs/jquery.tabs.js
@@ -2,29 +2,69 @@
  * Author: CM
  */
 (function($) {
-  $.fn.tabs = function() {
+
+  /**
+   * @param {jQuery} $buttonsContainer
+   * @constructor
+   */
+  var Tabs = function($buttonsContainer) {
+    this.$buttonsContainer = $buttonsContainer;
+    this.$contentContainer = this.$buttonsContainer.next('.tabs-content');
+    if (!this.$contentContainer.length) {
+      throw new Error('No tabs contents found');
+    }
+
+    var self = this;
+    this.$buttonsContainer.on('click', 'a', function(event) {
+      self.showTab($(this).closest('.tabs > *'));
+    });
+
+    var $tabs = this.$buttonsContainer.find('> *');
+    var $activeTab = $tabs.filter('.active');
+    if (!$activeTab.length) {
+      $activeTab = $tabs.first();
+    }
+    this.showTab($activeTab);
+  };
+
+  Tabs.prototype = {
+    $buttonsContainer: null,
+    $contentContainer: null,
+
+    showTabByName: function(tab) {
+      var $tab = this.$buttonsContainer.children('[data-tab="' + tab + '"]:first');
+      if (!$tab.length) {
+        throw new Error('No tab with name `' + tab + '` found');
+      }
+      this.showTab($tab);
+    },
+
+    showTab: function($tab) {
+      var index = $tab.index();
+      $tab.addClass('active').siblings().removeClass('active');
+      var $tabContent = this.$contentContainer.find('> *').eq(index);
+      $tabContent.addClass('active').show().find(':focusable:first').focus();
+      $tabContent.siblings().removeClass('active').hide();
+    }
+  };
+
+  /**
+   * @param {String} [tab]
+   * @return {jQuery}
+   */
+  $.fn.tabs = function(tab) {
     return this.each(function() {
-      var $buttonsContainer = $(this);
-      var $contentContainer = $buttonsContainer.next('.tabs-content');
-      if (!$contentContainer.length) {
-        return;
+      var $self = $(this);
+      var tabs = $self.data('tabs');
+
+      if (!tabs) {
+        tabs = new Tabs($self);
+        $self.data('tabs', tabs);
       }
 
-      $buttonsContainer.on('click', 'a', function(event) {
-        var $activeTab = $(this).closest('.tabs > *');
-        var index = $activeTab.index();
-        $activeTab.addClass('active').siblings().removeClass('active');
-        var $activeTabContent = $contentContainer.find('> *').eq(index);
-        $activeTabContent.addClass('active').show().find(':focusable:first').focus();
-        $activeTabContent.siblings().removeClass('active').hide();
-      });
-
-      var $tabs = $buttonsContainer.find('> *');
-      var $activeTab = $tabs.filter('.active');
-      if (!$activeTab.length) {
-        $activeTab = $tabs.first();
+      if (tab) {
+        tabs.showTabByName(tab);
       }
-      $activeTab.find('> a').click();
     });
   };
 })(jQuery);
diff --git a/client-vendor/after-body/query-string/query-string.js b/client-vendor/after-body/query-string/query-string.js
new file mode 100644
index 000000000..610c73019
--- /dev/null
+++ b/client-vendor/after-body/query-string/query-string.js
@@ -0,0 +1,66 @@
+/*!
+	query-string
+	Parse and stringify URL query strings
+	https://github.com/sindresorhus/query-string
+	by Sindre Sorhus
+	MIT License
+*/
+(function () {
+	'use strict';
+	var queryString = {};
+
+	queryString.parse = function (str) {
+		if (typeof str !== 'string') {
+			return {};
+		}
+
+		str = str.trim().replace(/^\?/, '');
+
+		if (!str) {
+			return {};
+		}
+
+		return str.trim().split('&').reduce(function (ret, param) {
+			var parts = param.replace(/\+/g, ' ').split('=');
+			var key = parts[0];
+			var val = parts[1];
+
+			key = decodeURIComponent(key);
+			// missing `=` should be `null`:
+			// http://w3.org/TR/2012/WD-url-20120524/#collect-url-parameters
+			val = val === undefined ? null : decodeURIComponent(val);
+
+			if (!ret.hasOwnProperty(key)) {
+				ret[key] = val;
+			} else if (Array.isArray(ret[key])) {
+				ret[key].push(val);
+			} else {
+				ret[key] = [ret[key], val];
+			}
+
+			return ret;
+		}, {});
+	};
+
+	queryString.stringify = function (obj) {
+		return obj ? Object.keys(obj).map(function (key) {
+			var val = obj[key];
+
+			if (Array.isArray(val)) {
+				return val.map(function (val2) {
+					return encodeURIComponent(key) + '=' + encodeURIComponent(val2);
+				}).join('&');
+			}
+
+			return encodeURIComponent(key) + '=' + encodeURIComponent(val);
+		}).join('&') : '';
+	};
+
+	if (typeof define === 'function' && define.amd) {
+		define([], queryString);
+	} else if (typeof module !== 'undefined' && module.exports) {
+		module.exports = queryString;
+	} else {
+		window.queryString = queryString;
+	}
+})();
diff --git a/layout/default/Component/Example/default.tpl b/layout/default/Component/Example/default.tpl
index 30bfc0ef5..f4d54e10f 100644
--- a/layout/default/Component/Example/default.tpl
+++ b/layout/default/Component/Example/default.tpl
@@ -1,11 +1,11 @@
-<ul class="tabs menu-tabs">
+<ul class="tabs menu-tabs example-navigation">
   {block name="tabs"}
-    <li><a href="javascript:;">Components</a></li>
-    <li><a href="javascript:;">Menus</a></li>
-    <li><a href="javascript:;">Buttons</a></li>
-    <li><a href="javascript:;">Forms</a></li>
-    <li><a href="javascript:;">Variables</a></li>
-    <li><a href="javascript:;">Icons</a></li>
+    <li data-tab="components"><a href="{linkUrl page='CM_Page_Example' tab='components'}">Components</a></li>
+    <li data-tab="menus"><a href="{linkUrl page='CM_Page_Example' tab='menus'}">Menus</a></li>
+    <li data-tab="button"><a href="{linkUrl page='CM_Page_Example' tab='button'}">Buttons</a></li>
+    <li data-tab="forms"><a href="{linkUrl page='CM_Page_Example' tab='forms'}">Forms</a></li>
+    <li data-tab="variables"><a href="{linkUrl page='CM_Page_Example' tab='variables'}">Variables</a></li>
+    <li data-tab="icons"><a href="{linkUrl page='CM_Page_Example' tab='icons'}">Icons</a></li>
   {/block}
 </ul>
 
diff --git a/layout/default/Page/Example/default.tpl b/layout/default/Page/Example/default.tpl
new file mode 100644
index 000000000..e41fd82ac
--- /dev/null
+++ b/layout/default/Page/Example/default.tpl
@@ -0,0 +1,5 @@
+{extends file=$render->getLayoutPath('Page/Abstract/default.tpl')}
+
+{block name='content-main'}
+  {component name='CM_Component_Example' site=$render->getSite()}
+{/block}
diff --git a/layout/default/Page/Example/title.tpl b/layout/default/Page/Example/title.tpl
new file mode 100644
index 000000000..0b23f971e
--- /dev/null
+++ b/layout/default/Page/Example/title.tpl
@@ -0,0 +1 @@
+{translate 'Example'}
diff --git a/library/CM/App.js b/library/CM/App.js
index 6ecc0039a..1f2e67d50 100644
--- a/library/CM/App.js
+++ b/library/CM/App.js
@@ -265,8 +265,8 @@ var CM_App = CM_Class_Abstract.extend({
       }
       var messages = _.toArray(arguments);
       messages.unshift('[CM]');
-      if (console && console.log) {
-        var log = console.log;
+      if (window.console && window.console.log) {
+        var log = window.console.log;
         if (typeof log == "object" && Function.prototype.bind) {
           log = Function.prototype.bind.call(console.log, console);
         }
@@ -589,8 +589,8 @@ var CM_App = CM_Class_Abstract.extend({
         handler.focus.add(handler.getId());
         handler._hasFocus = true;
       }).blur(function() {
-          handler._hasFocus = false;
-        });
+        handler._hasFocus = false;
+      });
       this.title.ready();
     },
 
@@ -742,20 +742,20 @@ var CM_App = CM_Class_Abstract.extend({
         }
       }
     }).fail(function(xhr, textStatus) {
-        if (xhr.status === 0) {
-          return; // Ignore interrupted ajax-request caused by leaving a page
-        }
+      if (xhr.status === 0) {
+        return; // Ignore interrupted ajax-request caused by leaving a page
+      }
 
-        var msg = cm.language.get('An unexpected connection problem occurred.');
-        if (cm.options.debug) {
-          msg = xhr.responseText || textStatus;
-        }
-        errorHandler(msg, null, false, callbacks.error);
-      }).always(function() {
-        if (callbacks.complete) {
-          callbacks.complete();
-        }
-      });
+      var msg = cm.language.get('An unexpected connection problem occurred.');
+      if (cm.options.debug) {
+        msg = xhr.responseText || textStatus;
+      }
+      errorHandler(msg, null, false, callbacks.error);
+    }).always(function() {
+      if (callbacks.complete) {
+        callbacks.complete();
+      }
+    });
 
     return jqXHR;
   },
@@ -1032,9 +1032,7 @@ var CM_App = CM_Class_Abstract.extend({
           skipInitialFire = false;
           return;
         }
-        var location = window.history.location || document.location;
-        var fragment = location.pathname + location.search;
-        cm.getLayout().loadPage(location.pathname + location.search);
+        router._handleLocationChange(router._getFragment());
       });
 
       var hash = window.location.hash.substr(1);
@@ -1081,12 +1079,14 @@ var CM_App = CM_Class_Abstract.extend({
         window.location.assign(url);
         return;
       }
-      if (replaceState) {
-        this.replaceState(fragment);
-      } else {
-        this.pushState(fragment);
+      if (fragment !== this._getFragment()) {
+        if (replaceState) {
+          this.replaceState(fragment);
+        } else {
+          this.pushState(fragment);
+        }
       }
-      cm.getLayout().loadPage(fragment);
+      this._handleLocationChange(fragment);
     },
 
     /**
@@ -1101,6 +1101,66 @@ var CM_App = CM_Class_Abstract.extend({
      */
     replaceState: function(url) {
       window.history.replaceState(null, null, url);
+    },
+
+    /**
+     * @returns Location
+     */
+    _getLocation: function() {
+      return window.history.location || document.location;
+    },
+
+    /**
+     * @returns string
+     */
+    _getFragment: function() {
+      var location = this._getLocation();
+      return location.pathname + location.search;
+    },
+
+    /**
+     * @param {String} fragment
+     * @returns Location
+     */
+    _getLocationByFragment: function(fragment) {
+      var location = document.createElement('a');
+      if (fragment) {
+        location.href = fragment;
+      }
+      return location;
+    },
+
+    /**
+     * @param {String} fragment
+     */
+    _handleLocationChange: function(fragment) {
+      var paramsStateNext = null;
+      var pageCurrent = cm.getLayout().findPage();
+
+      if (pageCurrent && pageCurrent.hasStateParams()) {
+        var locationCurrent = this._getLocationByFragment(pageCurrent.getFragment());
+        var locationNext = this._getLocationByFragment(fragment);
+
+        if (locationCurrent.pathname === locationNext.pathname) {
+          var paramsCurrent = queryString.parse(locationCurrent.search);
+          var paramsNext = queryString.parse(locationNext.search);
+
+          var stateParamNames = pageCurrent.getStateParams();
+
+          var paramsNonStateCurrent = _.pick(paramsCurrent, _.difference(_.keys(paramsCurrent), stateParamNames));
+          var paramsNonStateNext = _.pick(paramsNext, _.difference(_.keys(paramsNext), stateParamNames));
+
+          if (_.isEqual(paramsNonStateCurrent, paramsNonStateNext)) {
+            paramsStateNext = _.pick(paramsNext, _.intersection(_.keys(paramsNext), stateParamNames));
+          }
+        }
+      }
+
+      if (paramsStateNext) {
+        cm.getLayout().getPage().routeToState(paramsStateNext, fragment);
+      } else {
+        cm.getLayout().loadPage(fragment);
+      }
     }
   }
 });
diff --git a/library/CM/Bootloader.php b/library/CM/Bootloader.php
index ea35f4549..75817e7b0 100644
--- a/library/CM/Bootloader.php
+++ b/library/CM/Bootloader.php
@@ -83,6 +83,13 @@ public function isDebug() {
         return $this->_debug;
     }
 
+    /**
+     * @param bool $state
+     */
+    public function setDebug($state) {
+        $this->_debug = $state;
+    }
+
     /**
      * @return bool
      */
diff --git a/library/CM/Component/Example.js b/library/CM/Component/Example.js
index 1b75584a7..7a03a85f9 100644
--- a/library/CM/Component/Example.js
+++ b/library/CM/Component/Example.js
@@ -44,6 +44,13 @@ var CM_Component_Example = CM_Component_Abstract.extend({
     this.message("Component ready, uname: " + this.uname);
   },
 
+  /**
+   * @param {String} name
+   */
+  showTab: function(name) {
+    this.$('.example-navigation.tabs').tabs(name);
+  },
+
   reloadChinese: function() {
     this.reload({foo: 'some chinese.. 百度一下，你就知道 繁體字!'});
   },
diff --git a/library/CM/Layout/Abstract.js b/library/CM/Layout/Abstract.js
index 1476c26e7..c24da329e 100644
--- a/library/CM/Layout/Abstract.js
+++ b/library/CM/Layout/Abstract.js
@@ -13,6 +13,24 @@ var CM_Layout_Abstract = CM_View_Abstract.extend({
   /** @type jqXHR|Null */
   _pageRequest: null,
 
+  /**
+   * @returns {CM_View_Abstract|null}
+   */
+  findPage: function() {
+    return this.findChild('CM_Page_Abstract');
+  },
+
+  /**
+   * @returns {CM_View_Abstract}
+   */
+  getPage: function() {
+    var page = this.findPage();
+    if (!page) {
+      cm.error.triggerThrow('Layout doesn\'t have a page');
+    }
+    return page;
+  },
+
   /**
    * @param {String} path
    */
@@ -21,7 +39,7 @@ var CM_Layout_Abstract = CM_View_Abstract.extend({
 
     if (!this._$pagePlaceholder) {
       this._$pagePlaceholder = $('<div class="router-placeholder" />');
-      var page = this.findChild('CM_Page_Abstract');
+      var page = this.getPage();
       page.$el.replaceWith(this._$pagePlaceholder);
       page.remove(true);
       this._onPageTeardown();
diff --git a/library/CM/Page/Abstract.js b/library/CM/Page/Abstract.js
index 2c126f40e..edb1842f6 100644
--- a/library/CM/Page/Abstract.js
+++ b/library/CM/Page/Abstract.js
@@ -5,5 +5,62 @@
 var CM_Page_Abstract = CM_Component_Abstract.extend({
 
   /** @type String */
-  _class: 'CM_Page_Abstract'
+  _class: 'CM_Page_Abstract',
+
+  /** @type String[]|Null */
+  _stateParams: null,
+
+  /** @type String|Null */
+  _fragment: null,
+
+  _ready: function() {
+    if (this.hasStateParams()) {
+      var location = window.location;
+      var params = queryString.parse(location.search);
+      var state = _.pick(params, _.intersection(_.keys(params), this.getStateParams()));
+      this.routeToState(state, location.pathname + location.search);
+    }
+
+    CM_Component_Abstract.prototype._ready.call(this);
+  },
+
+  /**
+   * @returns {String|Null}
+   */
+  getFragment: function() {
+    return this._fragment;
+  },
+
+  /**
+   * @returns {Boolean}
+   */
+  hasStateParams: function() {
+    return null !== this._stateParams;
+  },
+
+  /**
+   * @returns {String[]}
+   */
+  getStateParams: function() {
+    if (!this.hasStateParams()) {
+      cm.error.triggerThrow('Page has no state params');
+    }
+    return this._stateParams;
+  },
+
+  /**
+   * @param {Object} state
+   * @param {String} fragment
+   */
+  routeToState: function(state, fragment) {
+    this._fragment = fragment;
+    this._changeState(state);
+  },
+
+  /**
+   * @param {Object} state
+   */
+  _changeState: function(state) {
+  }
+
 });
diff --git a/library/CM/Page/Example.js b/library/CM/Page/Example.js
new file mode 100644
index 000000000..9c9ce3b1d
--- /dev/null
+++ b/library/CM/Page/Example.js
@@ -0,0 +1,17 @@
+/**
+ * @class CM_Page_Example
+ * @extends CM_Page_Abstract
+ */
+var CM_Page_Example = CM_Page_Abstract.extend({
+
+  /** @type String */
+  _class: 'CM_Page_Example',
+
+  _stateParams: ['tab'],
+
+  _changeState: function(state) {
+    if (state['tab']) {
+      this.findChild('CM_Component_Example').showTab(state['tab']);
+    }
+  }
+});
diff --git a/library/CM/Page/Example.php b/library/CM/Page/Example.php
new file mode 100644
index 000000000..75f7cb46b
--- /dev/null
+++ b/library/CM/Page/Example.php
@@ -0,0 +1,5 @@
+<?php
+
+class CM_Page_Example extends CM_Page_Abstract {
+
+}
diff --git a/tests/library/CM/Page/ExampleTest.php b/tests/library/CM/Page/ExampleTest.php
new file mode 100644
index 000000000..8c861ba6c
--- /dev/null
+++ b/tests/library/CM/Page/ExampleTest.php
@@ -0,0 +1,29 @@
+<?php
+
+class CM_Page_ExampleTest extends CMTest_TestCase {
+
+    public function testAccessible() {
+        $debugBackup = CM_Bootloader::getInstance()->isDebug();
+
+        CM_Bootloader::getInstance()->setDebug(true);
+        $page = $this->_createPage('CM_Page_Example');
+        $this->_renderPage($page);
+
+        CM_Bootloader::getInstance()->setDebug(false);
+        $page = $this->_createPage('CM_Page_Example');
+        $this->assertPageNotRenderable($page);
+
+        CM_Bootloader::getInstance()->setDebug($debugBackup);
+    }
+
+    public function testTidy() {
+        $debugBackup = CM_Bootloader::getInstance()->isDebug();
+
+        CM_Bootloader::getInstance()->setDebug(true);
+        $page = $this->_createPage('CM_Page_Example');
+        $html = $this->_renderPage($page);
+        $this->assertTidy($html, false);
+
+        CM_Bootloader::getInstance()->setDebug($debugBackup);
+    }
+}