diff --git a/src/frontend/components/App/index.jsx b/src/frontend/components/App/index.jsx
index b5fa1ec4acb556f2e767a425997fb0a4d9463496..79df7ed7c53a90c2a01e96712866446d4cd6a82d 100644
--- a/src/frontend/components/App/index.jsx
+++ b/src/frontend/components/App/index.jsx
@@ -33,21 +33,35 @@ class App extends React.Component {
   }
 
   componentDidMount() {
+    this.updateDirectory(this.props.match.params);
+
     DirectoryApi.getCategories()
       .then(({ categories }) => {
         this.props.setCategories(categories);
-        const [category] = categories;
-        const [algorithm] = category.algorithms;
-        const [file] = algorithm.files;
-        this.props.selectFile(category.key, algorithm.key, file.key);
+        const { categoryKey, algorithmKey, fileKey } = this.props.env;
+        const category = categories.find(category => category.key === categoryKey) || categories[0];
+        const algorithm = category.algorithms.find(algorithm => algorithm.key === algorithmKey) || category.algorithms[0];
+        const file = algorithm.files.find(file => file.key === fileKey) || algorithm.files[0];
+        this.props.history.push(`/${category.key}/${algorithm.key}/${file.key}`);
       });
+
     tracerManager.setOnError(error => this.props.showErrorToast(error.message));
   }
 
+  componentWillReceiveProps(nextProps) {
+    if (nextProps.match.params !== this.props.match.params) {
+      this.updateDirectory(nextProps.match.params);
+    }
+  }
+
   componentWillUnmount() {
     tracerManager.setOnError(null);
   }
 
+  updateDirectory({ categoryKey = null, algorithmKey = null, fileKey = null }) {
+    this.props.setDirectory(categoryKey, algorithmKey, fileKey);
+  }
+
   toggleNavigator(navigatorOpened = !this.state.navigatorOpened) {
     this.setState({ navigatorOpened });
   }
diff --git a/src/frontend/components/Button/index.jsx b/src/frontend/components/Button/index.jsx
index d30693b926880ba21e5175c2f3d54695c4bd1dae..851fe39c6f8ed7babd9e6d07dafde7cc99dd7082 100644
--- a/src/frontend/components/Button/index.jsx
+++ b/src/frontend/components/Button/index.jsx
@@ -2,10 +2,11 @@ import React from 'react';
 import FontAwesomeIcon from '@fortawesome/react-fontawesome'
 import styles from './stylesheet.scss';
 import { classes } from '/common/util';
+import { Link } from 'react-router-dom';
 
 class Button extends React.Component {
   render() {
-    const { className, children, onClick, href, icon, reverse, selected, disabled, primary, active } = this.props;
+    const { className, children, onClick, to, href, icon, reverse, selected, disabled, primary, active } = this.props;
 
     const iconOnly = !children;
     const props = {
@@ -18,7 +19,9 @@ class Button extends React.Component {
       ]
     };
 
-    return href ? (
+    return to ? (
+      <Link to={to} {...props} />
+    ) : href ? (
       <a href={href} rel="noopener" target="_blank" {...props} />
     ) : (
       <div {...props} />
diff --git a/src/frontend/components/EditorSection/index.jsx b/src/frontend/components/EditorSection/index.jsx
index 0172f90b26808619744ba7cef612884c8932554b..d221e42f4d092c394668200dc2731b8de92acc5f 100644
--- a/src/frontend/components/EditorSection/index.jsx
+++ b/src/frontend/components/EditorSection/index.jsx
@@ -33,11 +33,12 @@ class EditorSection extends React.Component {
   }
 
   componentDidMount() {
-    const { categoryKey, algorithmKey, fileKey } = this.props.env;
-    this.loadCodeAndData(categoryKey, algorithmKey, fileKey);
     tracerManager.setDataGetter(() => this.state.data);
     tracerManager.setCodeGetter(() => this.state.code);
     tracerManager.setOnUpdateLineIndicator(lineIndicator => this.setState({ lineMarker: this.createLineMarker(lineIndicator) }));
+
+    const { categoryKey, algorithmKey, fileKey } = this.props.env;
+    this.loadCodeAndData(categoryKey, algorithmKey, fileKey);
   }
 
   componentWillUnmount() {
@@ -73,8 +74,7 @@ class EditorSection extends React.Component {
   loadCodeAndData(categoryKey, algorithmKey, fileKey) {
     DirectoryApi.getFile(categoryKey, algorithmKey, fileKey)
       .then(({ data, code }) => {
-        this.handleChangeData(data);
-        this.handleChangeCode(code);
+        this.setState({ data, code }, () => tracerManager.runData());
       });
   }
 
@@ -98,14 +98,18 @@ class EditorSection extends React.Component {
 
     const category = categories.find(category => category.key === categoryKey);
     const algorithm = category.algorithms.find(algorithm => algorithm.key === algorithmKey);
-    const fileKeys = algorithm.files.map(file => file.key);
-    const tabIndex = fileKeys.findIndex(v => v === fileKey);
+    const tabs = algorithm.files.map(file => ({
+      title: file.name,
+      props: {
+        to: `/${category.key}/${algorithm.key}/${file.key}`
+      },
+    }));
+    const tabIndex = algorithm.files.findIndex(file => file.key === fileKey);
     const fileInfo = ''; // TODO
 
     return (
       <section className={classes(styles.editor_section, className)}>
-        <TabBar titles={fileKeys} selectedIndex={tabIndex}
-                onClickTab={tabIndex => this.props.selectFile(categoryKey, algorithmKey, fileKeys[tabIndex])} />
+        <TabBar tabs={tabs} tabIndex={tabIndex} />
         <div className={styles.info_container}>
           <FontAwesomeIcon fixedWidth icon={faInfoCircle} className={styles.info_icon} />
           <Ellipsis className={styles.info_text}>{fileInfo}</Ellipsis>
diff --git a/src/frontend/components/Header/index.jsx b/src/frontend/components/Header/index.jsx
index 905a5d64707cbb0d8fff10015eff3ca8e2d1eefd..f02e6395a10acb5a3ec7b47fc0f5b1e849ed70ca 100644
--- a/src/frontend/components/Header/index.jsx
+++ b/src/frontend/components/Header/index.jsx
@@ -62,7 +62,7 @@ class Header extends React.Component {
     return (
       <header className={classes(styles.header, className)}>
         <Button className={styles.title_bar} onClick={onClickTitleBar}>
-          <Ellipsis>{category.ame}</Ellipsis>
+          <Ellipsis>{category.name}</Ellipsis>
           <FontAwesomeIcon className={styles.nav_arrow} fixedWidth icon={faAngleRight} />
           <Ellipsis>{algorithm.name}</Ellipsis>
           <FontAwesomeIcon className={styles.nav_caret} fixedWidth
diff --git a/src/frontend/components/Navigator/index.jsx b/src/frontend/components/Navigator/index.jsx
index 17b57a58c43f8db7b3b368634337b26b726ea5c5..95a275c6946a76eb076664bb12b0ec15f38209c6 100644
--- a/src/frontend/components/Navigator/index.jsx
+++ b/src/frontend/components/Navigator/index.jsx
@@ -94,7 +94,7 @@ class Navigator extends React.Component {
                       const [file] = algorithm.files;
                       return (
                         <ListItem indent key={algorithm.key} selected={selected}
-                                  onClick={() => this.props.selectFile(category.key, algorithm.key, file.key)}>
+                                  to={`/${category.key}/${algorithm.key}/${file.key}`}>
                           <Ellipsis>{algorithm.name}</Ellipsis>
                         </ListItem>
                       )
diff --git a/src/frontend/components/TabBar/index.jsx b/src/frontend/components/TabBar/index.jsx
index d564ad79f0691a360158edbe6d3cb7d57bbd9c82..9befdb99b18104ba98e515563e0647c9239cbad8 100644
--- a/src/frontend/components/TabBar/index.jsx
+++ b/src/frontend/components/TabBar/index.jsx
@@ -7,25 +7,26 @@ import styles from './stylesheet.scss';
 
 class TabBar extends React.Component {
   render() {
-    const { className, titles, selectedIndex, onClickTab } = this.props;
+    const { className, tabs, tabIndex } = this.props;
+
+    const prevIndex = (tabIndex - 1 + tabs.length) % tabs.length;
+    const nextIndex = (tabIndex + 1) % tabs.length;
 
     return (
       <div className={classes(styles.tab_bar, className)}>
-        <Button className={styles.tab} icon={faAngleLeft}
-                onClick={() => onClickTab((selectedIndex - 1 + titles.length) % titles.length)} />
+        <Button className={styles.tab} icon={faAngleLeft} {...tabs[prevIndex].props} />
         <div className={styles.wrapper}>
           {
-            titles.map((title, i) => {
-              const selected = selectedIndex === i;
+            tabs.map((tab, i) => {
+              const { title, props } = tab;
+              const selected = tabIndex === i;
               return (
-                <Button className={classes(styles.tab, selected && styles.selected)}
-                        onClick={() => onClickTab(i)} key={i}>{title}</Button>
+                <Button className={classes(styles.tab, selected && styles.selected)} key={i} {...props}>{title}</Button>
               )
             })
           }
         </div>
-        <Button className={styles.tab} icon={faAngleRight}
-                onClick={() => onClickTab((selectedIndex + 1) % titles.length)} />
+        <Button className={styles.tab} icon={faAngleRight} {...tabs[nextIndex].props} />
       </div>
     );
   }
diff --git a/src/frontend/components/ViewerSection/index.jsx b/src/frontend/components/ViewerSection/index.jsx
index e60a39cae4b79a281fdcaa3d5d345ee19704df76..866492275f2d68b249b8b15dab020a78fc670e2b 100644
--- a/src/frontend/components/ViewerSection/index.jsx
+++ b/src/frontend/components/ViewerSection/index.jsx
@@ -20,10 +20,16 @@ class ViewerSection extends React.Component {
     const { className, style } = this.props;
     const { tabIndex } = this.state;
 
+    const tabs = ['Visualization', 'Description', 'Tracer API'].map((title, i) => ({
+      title,
+      props: {
+        onClick: () => this.setTabIndex(i)
+      },
+    }));
+
     return (
       <section className={classes(styles.viewer_section, className)} style={style}>
-        <TabBar titles={['Visualization', 'Description', 'Tracer API']} selectedIndex={tabIndex}
-                onClickTab={tabIndex => this.setTabIndex(tabIndex)} />
+        <TabBar tabs={tabs} tabIndex={tabIndex} />
         <div className={styles.content} data-tab_index={tabIndex}>
           <RendererContainer className={styles.tab} />
           <DescriptionViewer className={styles.tab} />
diff --git a/src/frontend/core/tracerManager.jsx b/src/frontend/core/tracerManager.jsx
index 86c6de7c7bbfbf13bb7b1f640ee91371977f3e26..6f2bba3c2ecf0800179a98cb14169212e1690278 100644
--- a/src/frontend/core/tracerManager.jsx
+++ b/src/frontend/core/tracerManager.jsx
@@ -66,13 +66,13 @@ class TracerManager {
     if (this.onUpdateLineIndicator) this.onUpdateLineIndicator(lineIndicator);
   }
 
-  getData(){
-    if(this.dataGetter) return this.dataGetter();
+  getData() {
+    if (this.dataGetter) return this.dataGetter();
     return null;
   }
 
-  getCode(){
-    if(this.codeGetter) return this.codeGetter();
+  getCode() {
+    if (this.codeGetter) return this.codeGetter();
     return null;
   }
 
diff --git a/src/frontend/index.jsx b/src/frontend/index.jsx
index 1b6f8f9008745b6da019655c242ba31a1cfa458d..6aec2e735cb3dd03d3f8f5d2ba8d923ea86c80ba 100644
--- a/src/frontend/index.jsx
+++ b/src/frontend/index.jsx
@@ -1,7 +1,7 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
 import { combineReducers, createStore } from 'redux';
-import { BrowserRouter } from 'react-router-dom';
+import { BrowserRouter, Route, Switch } from 'react-router-dom';
 import { Provider } from 'react-redux';
 import { routerReducer } from 'react-router-redux';
 import App from '/components/App';
@@ -15,7 +15,10 @@ const render = (Component) => {
   ReactDOM.render(
     <Provider store={store}>
       <BrowserRouter>
-        <Component />
+        <Switch>
+          <Route exact path="/:categoryKey/:algorithmKey/:fileKey" component={Component} />
+          <Route path="/" component={Component} />
+        </Switch>
       </BrowserRouter>
     </Provider>,
     MOUNT_NODE
diff --git a/src/frontend/reducers/env.js b/src/frontend/reducers/env.js
index e59d4382428bd8c115de4efe5451a3b6026f4e31..7813348c29c791f34527828508f255a52d8a28bf 100644
--- a/src/frontend/reducers/env.js
+++ b/src/frontend/reducers/env.js
@@ -3,7 +3,7 @@ import { combineActions, createAction, handleActions } from 'redux-actions';
 const prefix = 'ENV';
 
 const setCategories = createAction(`${prefix}/SET_CATEGORIES`, categories => ({ categories }));
-const selectFile = createAction(`${prefix}/SELECT_FILE`, (categoryKey, algorithmKey, fileKey) => ({
+const setDirectory = createAction(`${prefix}/SELECT_FILE`, (categoryKey, algorithmKey, fileKey) => ({
   categoryKey,
   algorithmKey,
   fileKey,
@@ -11,7 +11,7 @@ const selectFile = createAction(`${prefix}/SELECT_FILE`, (categoryKey, algorithm
 
 export const actions = {
   setCategories,
-  selectFile,
+  setDirectory,
 };
 
 const immutables = {};
@@ -26,7 +26,7 @@ const mutables = {
 export default handleActions({
   [combineActions(
     setCategories,
-    selectFile,
+    setDirectory,
   )]: (state, { payload }) => ({
     ...state,
     ...payload,
diff --git a/webpack.frontend.config.js b/webpack.frontend.config.js
index a1c0946572d24e0efcd87a3d14c9d32998c95add..23dd9b28a738ff86c5b314a7a88eacd06c718757 100644
--- a/webpack.frontend.config.js
+++ b/webpack.frontend.config.js
@@ -41,6 +41,7 @@ module.exports = {
   output: {
     filename: __DEV__ ? '[name].js' : '[name].[chunkhash].js',
     path: builtPath,
+    publicPath: '/',
   },
   module: {
     rules: [