diff --git a/wp-admin/css/wp-admin.dev.css b/wp-admin/css/wp-admin.dev.css
index 575de0341..e1eab537a 100644
--- a/wp-admin/css/wp-admin.dev.css
+++ b/wp-admin/css/wp-admin.dev.css
@@ -210,6 +210,10 @@ TABLE OF CONTENTS:
 /* include margin and padding in the width calculation of input and textarea */
 input[type="text"],
 input[type="password"],
+input[type="number"],
+input[type="search"],
+input[type="email"],
+input[type="url"],
 textarea {
 	-moz-box-sizing: border-box;
 	-webkit-box-sizing: border-box;
@@ -222,6 +226,15 @@ input[type="radio"] {
 	vertical-align: text-bottom;
 }
 
+input[type="search"] {
+	-webkit-appearance: textfield;
+	text-align: left;
+}
+
+input[type="search"]::-webkit-search-decoration {
+	display: none;
+}
+
 /* general */
 html,
 body {
@@ -789,7 +802,7 @@ input.regular-text,
 }
 
 input.small-text {
-	width: 50px;
+	width: 60px;
 }
 
 #doaction,
diff --git a/wp-admin/edit-form-comment.php b/wp-admin/edit-form-comment.php
index 8cc4647af..cb2f02d81 100644
--- a/wp-admin/edit-form-comment.php
+++ b/wp-admin/edit-form-comment.php
@@ -92,7 +92,7 @@ $date = date_i18n( $datef, strtotime( $comment->comment_date ) );
 			_e( 'E-mail:' );
 		}
 ?></td>
-	<td><input type="text" name="newcomment_author_email" size="30" value="<?php echo $comment->comment_author_email; ?>" tabindex="2" id="email" /></td>
+	<td><input type="email" name="newcomment_author_email" size="30" value="<?php echo $comment->comment_author_email; ?>" tabindex="2" id="email" /></td>
 </tr>
 <tr valign="top">
 	<td class="first">
diff --git a/wp-admin/includes/class-wp-list-table.php b/wp-admin/includes/class-wp-list-table.php
index ee5f9f9b3..c076c2af4 100644
--- a/wp-admin/includes/class-wp-list-table.php
+++ b/wp-admin/includes/class-wp-list-table.php
@@ -212,7 +212,7 @@ class WP_List_Table {
 ?>
 <p class="search-box">
 	<label class="screen-reader-text" for="<?php echo $input_id ?>"><?php echo $text; ?>:</label>
-	<input type="text" id="<?php echo $input_id ?>" name="s" value="<?php _admin_search_query(); ?>" />
+	<input type="search" id="<?php echo $input_id ?>" name="s" value="<?php _admin_search_query(); ?>" />
 	<?php submit_button( $text, 'button', false, false, array('id' => 'search-submit') ); ?>
 </p>
 <?php
@@ -519,9 +519,8 @@ class WP_List_Table {
 		if ( 'bottom' == $which )
 			$html_current_page = $current;
 		else
-			$html_current_page = sprintf( "<input class='current-page' title='%s' type='text' name='%s' value='%s' size='%d' />",
+			$html_current_page = sprintf( "<input class='current-page' title='%s' type='number' step='1' min='1' name='paged' value='%s' size='%d' />",
 				esc_attr__( 'Current page' ),
-				esc_attr( 'paged' ),
 				$current,
 				strlen( $total_pages )
 			);
diff --git a/wp-admin/includes/dashboard.php b/wp-admin/includes/dashboard.php
index d4d1c3538..c119d8d31 100644
--- a/wp-admin/includes/dashboard.php
+++ b/wp-admin/includes/dashboard.php
@@ -463,14 +463,14 @@ function wp_network_dashboard_right_now() {
 
 	<form name="searchform" action="<?php echo network_admin_url('users.php'); ?>" method="get">
 		<p>
-			<input type="text" name="s" value="" size="17" />
+			<input type="search" name="s" value="" size="17" />
 			<?php submit_button( __( 'Search Users' ), 'button', 'submit', false, array( 'id' => 'submit_users' ) ); ?>
 		</p>
 	</form>
 
 	<form name="searchform" action="<?php echo network_admin_url('sites.php'); ?>" method="get">
 		<p>
-			<input type="text" name="s" value="" size="17" />
+			<input type="search" name="s" value="" size="17" />
 			<?php submit_button( __( 'Search Sites' ), 'button', 'submit', false, array( 'id' => 'submit_sites' ) ); ?>
 		</p>
 	</form>
diff --git a/wp-admin/includes/media.php b/wp-admin/includes/media.php
index 5f9740daf..c1ba9064e 100644
--- a/wp-admin/includes/media.php
+++ b/wp-admin/includes/media.php
@@ -1813,7 +1813,7 @@ function media_upload_library_form($errors) {
 
 <p id="media-search" class="search-box">
 	<label class="screen-reader-text" for="media-search-input"><?php _e('Search Media');?>:</label>
-	<input type="text" id="media-search-input" name="s" value="<?php the_search_query(); ?>" />
+	<input type="search" id="media-search-input" name="s" value="<?php the_search_query(); ?>" />
 	<?php submit_button( __( 'Search Media' ), 'button', '', false ); ?>
 </p>
 
diff --git a/wp-admin/includes/ms.php b/wp-admin/includes/ms.php
index c61542ef8..65b79a44c 100644
--- a/wp-admin/includes/ms.php
+++ b/wp-admin/includes/ms.php
@@ -374,7 +374,7 @@ function upload_space_setting( $id ) {
 	?>
 	<tr>
 		<th><?php _e( 'Site Upload Space Quota '); ?></th>
-		<td><input type="text" size="3" name="option[blog_upload_space]" value="<?php echo $quota; ?>" /> <?php _e( 'MB (Leave blank for network default)' ); ?></td>
+		<td><input type="number" step="0.1" min="0" size="4" name="option[blog_upload_space]" value="<?php echo $quota; ?>" /> <?php _e( 'MB (Leave blank for network default)' ); ?></td>
 	</tr>
 	<?php
 }
diff --git a/wp-admin/includes/nav-menu.php b/wp-admin/includes/nav-menu.php
index 8ec718584..5fc73fcbb 100644
--- a/wp-admin/includes/nav-menu.php
+++ b/wp-admin/includes/nav-menu.php
@@ -691,7 +691,7 @@ function wp_nav_menu_item_post_type_meta_box( $object, $post_type ) {
 			}
 			?>
 			<p class="quick-search-wrap">
-				<input type="text" class="quick-search input-with-default-title" title="<?php esc_attr_e('Search'); ?>" value="<?php echo $searched; ?>" name="quick-search-posttype-<?php echo $post_type_name; ?>" />
+				<input type="search" class="quick-search input-with-default-title" title="<?php esc_attr_e('Search'); ?>" value="<?php echo $searched; ?>" name="quick-search-posttype-<?php echo $post_type_name; ?>" />
 				<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
 				<?php submit_button( __( 'Search' ), 'quick-search-submit button-secondary hide-if-js', 'submit', false, array( 'id' => 'submit-quick-search-posttype-' . $post_type_name ) ); ?>
 			</p>
@@ -922,7 +922,7 @@ function wp_nav_menu_item_taxonomy_meta_box( $object, $taxonomy ) {
 			}
 			?>
 			<p class="quick-search-wrap">
-				<input type="text" class="quick-search input-with-default-title" title="<?php esc_attr_e('Search'); ?>" value="<?php echo $searched; ?>" name="quick-search-taxonomy-<?php echo $taxonomy_name; ?>" />
+				<input type="search" class="quick-search input-with-default-title" title="<?php esc_attr_e('Search'); ?>" value="<?php echo $searched; ?>" name="quick-search-taxonomy-<?php echo $taxonomy_name; ?>" />
 				<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
 				<?php submit_button( __( 'Search' ), 'quick-search-submit button-secondary hide-if-js', 'submit', false, array( 'id' => 'submit-quick-search-taxonomy-' . $taxonomy_name ) ); ?>
 			</p>
diff --git a/wp-admin/includes/plugin-install.php b/wp-admin/includes/plugin-install.php
index f2ecb8734..3d4b04af1 100644
--- a/wp-admin/includes/plugin-install.php
+++ b/wp-admin/includes/plugin-install.php
@@ -127,7 +127,7 @@ function install_search_form(){
 			<option value="author"<?php selected('author', $type) ?>><?php _e('Author'); ?></option>
 			<option value="tag"<?php selected('tag', $type) ?>><?php _ex('Tag', 'Plugin Installer'); ?></option>
 		</select>
-		<input type="text" name="s" value="<?php echo esc_attr($term) ?>" />
+		<input type="search" name="s" value="<?php echo esc_attr($term) ?>" />
 		<label class="screen-reader-text" for="plugin-search-input"><?php _e('Search Plugins'); ?></label>
 		<?php submit_button( __( 'Search Plugins' ), 'button', 'plugin-search-input', false ); ?>
 	</form><?php
diff --git a/wp-admin/includes/screen.php b/wp-admin/includes/screen.php
index 57e7dc4f3..71456cb61 100644
--- a/wp-admin/includes/screen.php
+++ b/wp-admin/includes/screen.php
@@ -983,7 +983,7 @@ final class WP_Screen {
 		?>
 		<div class='screen-options'>
 			<?php if ( !empty($per_page_label) ): ?>
-				<input type='text' class='screen-per-page' name='wp_screen_options[value]'
+				<input type='number' step='1' min='1' class='screen-per-page' name='wp_screen_options[value]'
 					id='<?php echo esc_attr( $option ); ?>' maxlength='3'
 					value='<?php echo esc_attr( $per_page ); ?>' />
 				<label for='<?php echo esc_attr( $option ); ?>'>
diff --git a/wp-admin/includes/template.php b/wp-admin/includes/template.php
index 8263b1554..c74c9333a 100644
--- a/wp-admin/includes/template.php
+++ b/wp-admin/includes/template.php
@@ -323,7 +323,7 @@ function wp_comment_reply($position = '1', $checkbox = false, $mode = 'single',
 
 		<div class="inside">
 		<label for="author-email"><?php _e('E-mail') ?></label>
-		<input type="text" name="newcomment_author_email" size="50" value="" tabindex="102" id="author-email" />
+		<input type="email" name="newcomment_author_email" size="50" value="" tabindex="102" id="author-email" />
 		</div>
 
 		<div class="inside">
@@ -598,10 +598,10 @@ function touch_time( $edit = 1, $for_post = 1, $tab_index = 0, $multi = 0 ) {
 	}
 	$month .= '</select>';
 
-	$day = '<input type="text" ' . ( $multi ? '' : 'id="jj" ' ) . 'name="jj" value="' . $jj . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" />';
-	$year = '<input type="text" ' . ( $multi ? '' : 'id="aa" ' ) . 'name="aa" value="' . $aa . '" size="4" maxlength="4"' . $tab_index_attribute . ' autocomplete="off" />';
-	$hour = '<input type="text" ' . ( $multi ? '' : 'id="hh" ' ) . 'name="hh" value="' . $hh . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" />';
-	$minute = '<input type="text" ' . ( $multi ? '' : 'id="mn" ' ) . 'name="mn" value="' . $mn . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" />';
+	$day = '<input type="number" step="1" min="1" max="31" ' . ( $multi ? '' : 'id="jj" ' ) . 'name="jj" value="' . $jj . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" />';
+	$year = '<input type="number" step="1" ' . ( $multi ? '' : 'id="aa" ' ) . 'name="aa" value="' . $aa . '" size="4" maxlength="4"' . $tab_index_attribute . ' autocomplete="off" />';
+	$hour = '<input type="number" step="1" min="0" max="23" ' . ( $multi ? '' : 'id="hh" ' ) . 'name="hh" value="' . $hh . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" />';
+	$minute = '<input type="number" step="1" min="0" max="59" ' . ( $multi ? '' : 'id="mn" ' ) . 'name="mn" value="' . $mn . '" size="2" maxlength="2"' . $tab_index_attribute . ' autocomplete="off" />';
 
 	echo '<div class="timestamp-wrap">';
 	/* translators: 1: month input, 2: day input, 3: year input, 4: hour input, 5: minute input */
diff --git a/wp-admin/includes/theme-install.php b/wp-admin/includes/theme-install.php
index 39e5188a2..8e77139bf 100644
--- a/wp-admin/includes/theme-install.php
+++ b/wp-admin/includes/theme-install.php
@@ -62,7 +62,7 @@ function install_theme_search_form() {
 	<option value="author" <?php selected('author', $type) ?>><?php _e('Author'); ?></option>
 	<option value="tag" <?php selected('tag', $type) ?>><?php _ex('Tag', 'Theme Installer'); ?></option>
 	</select>
-	<input type="text" name="s" size="30" value="<?php echo esc_attr($term) ?>" />
+	<input type="search" name="s" size="30" value="<?php echo esc_attr($term) ?>" />
 	<?php submit_button( __( 'Search' ), 'button', 'search', false ); ?>
 </form>
 <?php
diff --git a/wp-admin/network/site-users.php b/wp-admin/network/site-users.php
index 9be8ed597..1a36d38a5 100644
--- a/wp-admin/network/site-users.php
+++ b/wp-admin/network/site-users.php
@@ -300,7 +300,7 @@ endif; ?>
 		</tr>
 		<tr>
 			<th scope="row"><?php _e( 'Email' ) ?></th>
-			<td><input type="text" class="regular-text" name="user[email]" /></td>
+			<td><input type="email" class="regular-text" name="user[email]" /></td>
 		</tr>
 		<tr>
 			<th scope="row"><?php _e( 'Role'); ?></th>
diff --git a/wp-admin/options-discussion.php b/wp-admin/options-discussion.php
index 901cab053..0ad2439fc 100644
--- a/wp-admin/options-discussion.php
+++ b/wp-admin/options-discussion.php
@@ -71,7 +71,7 @@ include('./admin-header.php');
 
 <label for="close_comments_for_old_posts">
 <input name="close_comments_for_old_posts" type="checkbox" id="close_comments_for_old_posts" value="1" <?php checked('1', get_option('close_comments_for_old_posts')); ?> />
-<?php printf( __('Automatically close comments on articles older than %s days'), '</label><input name="close_comments_days_old" type="text" id="close_comments_days_old" value="' . esc_attr(get_option('close_comments_days_old')) . '" class="small-text" />'); ?>
+<?php printf( __('Automatically close comments on articles older than %s days'), '</label><input name="close_comments_days_old" type="number" min="0" step="1" id="close_comments_days_old" value="' . esc_attr(get_option('close_comments_days_old')) . '" class="small-text" />'); ?>
 <br />
 <label for="thread_comments">
 <input name="thread_comments" type="checkbox" id="thread_comments" value="1" <?php checked('1', get_option('thread_comments')); ?> />
@@ -100,7 +100,7 @@ $default_comments_page .= '>' . __('last') . '</option><option value="oldest"';
 if ( 'oldest' == get_option('default_comments_page') ) $default_comments_page .= ' selected="selected"';
 $default_comments_page .= '>' . __('first') . '</option></select>';
 
-printf( __('Break comments into pages with %1$s top level comments per page and the %2$s page displayed by default'), '</label><label for="comments_per_page"><input name="comments_per_page" type="text" id="comments_per_page" value="' . esc_attr(get_option('comments_per_page')) . '" class="small-text" />', $default_comments_page );
+printf( __('Break comments into pages with %1$s top level comments per page and the %2$s page displayed by default'), '</label><label for="comments_per_page"><input name="comments_per_page" type="number" step="1" min="1" id="comments_per_page" value="' . esc_attr(get_option('comments_per_page')) . '" class="small-text" />', $default_comments_page );
 
 ?></label>
 <br />
@@ -142,7 +142,7 @@ printf( __('Comments should be displayed with the %s comments at the top of each
 <tr valign="top">
 <th scope="row"><?php _e('Comment Moderation'); ?></th>
 <td><fieldset><legend class="screen-reader-text"><span><?php _e('Comment Moderation'); ?></span></legend>
-<p><label for="comment_max_links"><?php printf(__('Hold a comment in the queue if it contains %s or more links. (A common characteristic of comment spam is a large number of hyperlinks.)'), '<input name="comment_max_links" type="text" id="comment_max_links" value="' . esc_attr(get_option('comment_max_links')) . '" class="small-text" />' ); ?></label></p>
+<p><label for="comment_max_links"><?php printf(__('Hold a comment in the queue if it contains %s or more links. (A common characteristic of comment spam is a large number of hyperlinks.)'), '<input name="comment_max_links" type="number" step="1" min="1" id="comment_max_links" value="' . esc_attr(get_option('comment_max_links')) . '" class="small-text" />' ); ?></label></p>
 
 <p><label for="moderation_keys"><?php _e('When a comment contains any of these words in its content, name, URL, e-mail, or IP, it will be held in the <a href="edit-comments.php?comment_status=moderated">moderation queue</a>. One word or IP per line. It will match inside words, so &#8220;press&#8221; will match &#8220;WordPress&#8221;.'); ?></label></p>
 <p>
diff --git a/wp-admin/options-general.php b/wp-admin/options-general.php
index a4649b8b3..6a7d6f8de 100644
--- a/wp-admin/options-general.php
+++ b/wp-admin/options-general.php
@@ -113,7 +113,7 @@ include('./admin-header.php');
 </tr>
 <tr valign="top">
 <th scope="row"><label for="admin_email"><?php _e('E-mail Address') ?> </label></th>
-<td><input name="admin_email" type="text" id="admin_email" value="<?php form_option('admin_email'); ?>" class="regular-text ltr" />
+<td><input name="admin_email" type="email" id="admin_email" value="<?php form_option('admin_email'); ?>" class="regular-text ltr" />
 <span class="description"><?php _e('This address is used for admin purposes, like new user notification.') ?></span></td>
 </tr>
 <tr valign="top">
@@ -132,7 +132,7 @@ include('./admin-header.php');
 <?php } else { ?>
 <tr valign="top">
 <th scope="row"><label for="new_admin_email"><?php _e('E-mail Address') ?> </label></th>
-<td><input name="new_admin_email" type="text" id="new_admin_email" value="<?php form_option('admin_email'); ?>" class="regular-text ltr" />
+<td><input name="new_admin_email" type="email" id="new_admin_email" value="<?php form_option('admin_email'); ?>" class="regular-text ltr" />
 <span class="description"><?php _e('This address is used for admin purposes. If you change this we will send you an e-mail at your new address to confirm it. <strong>The new address will not become active until confirmed.</strong>') ?></span>
 <?php
 $new_admin_email = get_option( 'new_admin_email' );
diff --git a/wp-admin/options-media.php b/wp-admin/options-media.php
index 83eacabed..4f3193bf6 100644
--- a/wp-admin/options-media.php
+++ b/wp-admin/options-media.php
@@ -60,9 +60,9 @@ include('./admin-header.php');
 <th scope="row"><?php _e('Thumbnail size') ?></th>
 <td>
 <label for="thumbnail_size_w"><?php _e('Width'); ?></label>
-<input name="thumbnail_size_w" type="text" id="thumbnail_size_w" value="<?php form_option('thumbnail_size_w'); ?>" class="small-text" />
+<input name="thumbnail_size_w" type="number" step="1" min="1" id="thumbnail_size_w" value="<?php form_option('thumbnail_size_w'); ?>" class="small-text" />
 <label for="thumbnail_size_h"><?php _e('Height'); ?></label>
-<input name="thumbnail_size_h" type="text" id="thumbnail_size_h" value="<?php form_option('thumbnail_size_h'); ?>" class="small-text" /><br />
+<input name="thumbnail_size_h" type="number" step="1" min="1" id="thumbnail_size_h" value="<?php form_option('thumbnail_size_h'); ?>" class="small-text" /><br />
 <input name="thumbnail_crop" type="checkbox" id="thumbnail_crop" value="1" <?php checked('1', get_option('thumbnail_crop')); ?>/>
 <label for="thumbnail_crop"><?php _e('Crop thumbnail to exact dimensions (normally thumbnails are proportional)'); ?></label>
 </td>
@@ -72,9 +72,9 @@ include('./admin-header.php');
 <th scope="row"><?php _e('Medium size') ?></th>
 <td><fieldset><legend class="screen-reader-text"><span><?php _e('Medium size'); ?></span></legend>
 <label for="medium_size_w"><?php _e('Max Width'); ?></label>
-<input name="medium_size_w" type="text" id="medium_size_w" value="<?php form_option('medium_size_w'); ?>" class="small-text" />
+<input name="medium_size_w" type="number" step="1" min="1" id="medium_size_w" value="<?php form_option('medium_size_w'); ?>" class="small-text" />
 <label for="medium_size_h"><?php _e('Max Height'); ?></label>
-<input name="medium_size_h" type="text" id="medium_size_h" value="<?php form_option('medium_size_h'); ?>" class="small-text" />
+<input name="medium_size_h" type="number" step="1" min="1" id="medium_size_h" value="<?php form_option('medium_size_h'); ?>" class="small-text" />
 </fieldset></td>
 </tr>
 
@@ -82,9 +82,9 @@ include('./admin-header.php');
 <th scope="row"><?php _e('Large size') ?></th>
 <td><fieldset><legend class="screen-reader-text"><span><?php _e('Large size'); ?></span></legend>
 <label for="large_size_w"><?php _e('Max Width'); ?></label>
-<input name="large_size_w" type="text" id="large_size_w" value="<?php form_option('large_size_w'); ?>" class="small-text" />
+<input name="large_size_w" type="number" step="1" min="1" id="large_size_w" value="<?php form_option('large_size_w'); ?>" class="small-text" />
 <label for="large_size_h"><?php _e('Max Height'); ?></label>
-<input name="large_size_h" type="text" id="large_size_h" value="<?php form_option('large_size_h'); ?>" class="small-text" />
+<input name="large_size_h" type="number" step="1" min="1" id="large_size_h" value="<?php form_option('large_size_h'); ?>" class="small-text" />
 </fieldset></td>
 </tr>
 
@@ -106,9 +106,9 @@ include('./admin-header.php');
 <th scope="row"><?php _e('Maximum embed size') ?></th>
 <td>
 <label for="embed_size_w"><?php _e('Width'); ?></label>
-<input name="embed_size_w" type="text" id="embed_size_w" value="<?php form_option('embed_size_w'); ?>" class="small-text" />
+<input name="embed_size_w" type="number" step="1" min="1" id="embed_size_w" value="<?php form_option('embed_size_w'); ?>" class="small-text" />
 <label for="embed_size_h"><?php _e('Height'); ?></label>
-<input name="embed_size_h" type="text" id="embed_size_h" value="<?php form_option('embed_size_h'); ?>" class="small-text" />
+<input name="embed_size_h" type="number" step="1" min="1" id="embed_size_h" value="<?php form_option('embed_size_h'); ?>" class="small-text" />
 <?php if ( !empty($content_width) ) echo '<br />' . __("If the width value is left blank, embeds will default to the max width of your theme."); ?>
 </td>
 </tr>
@@ -128,7 +128,7 @@ include('./admin-header.php');
 
 <tr valign="top">
 <th scope="row"><label for="upload_url_path"><?php _e('Full URL path to files'); ?></label></th>
-<td><input name="upload_url_path" type="text" id="upload_url_path" value="<?php echo esc_attr( get_option('upload_url_path')); ?>" class="regular-text code" />
+<td><input name="upload_url_path" type="url" id="upload_url_path" value="<?php echo esc_attr( get_option('upload_url_path')); ?>" class="regular-text code" />
 <span class="description"><?php _e('Configuring this is optional. By default, it should be blank.'); ?></span>
 </td>
 </tr>
diff --git a/wp-admin/options-reading.php b/wp-admin/options-reading.php
index b7088f744..0acb380b2 100644
--- a/wp-admin/options-reading.php
+++ b/wp-admin/options-reading.php
@@ -105,12 +105,12 @@ else :
 <tr valign="top">
 <th scope="row"><label for="posts_per_page"><?php _e( 'Blog pages show at most' ); ?></label></th>
 <td>
-<input name="posts_per_page" type="text" id="posts_per_page" value="<?php form_option( 'posts_per_page' ); ?>" class="small-text" /> <?php _e( 'posts' ); ?>
+<input name="posts_per_page" type="number" step="1" min="1" id="posts_per_page" value="<?php form_option( 'posts_per_page' ); ?>" class="small-text" /> <?php _e( 'posts' ); ?>
 </td>
 </tr>
 <tr valign="top">
 <th scope="row"><label for="posts_per_rss"><?php _e( 'Syndication feeds show the most recent' ); ?></label></th>
-<td><input name="posts_per_rss" type="text" id="posts_per_rss" value="<?php form_option( 'posts_per_rss' ); ?>" class="small-text" /> <?php _e( 'items' ); ?></td>
+<td><input name="posts_per_rss" type="number" step="1" min="1" id="posts_per_rss" value="<?php form_option( 'posts_per_rss' ); ?>" class="small-text" /> <?php _e( 'items' ); ?></td>
 </tr>
 <tr valign="top">
 <th scope="row"><?php _e( 'For each article in a feed, show' ); ?> </th>
diff --git a/wp-admin/themes.php b/wp-admin/themes.php
index edf3ce1c5..020d822a7 100644
--- a/wp-admin/themes.php
+++ b/wp-admin/themes.php
@@ -158,7 +158,7 @@ if ( ! current_user_can( 'switch_themes' ) ) {
 
 <p class="search-box">
 	<label class="screen-reader-text" for="theme-search-input"><?php _e('Search Installed Themes'); ?>:</label>
-	<input type="text" id="theme-search-input" name="s" value="<?php _admin_search_query(); ?>" />
+	<input type="search" id="theme-search-input" name="s" value="<?php _admin_search_query(); ?>" />
 	<?php submit_button( __( 'Search Installed Themes' ), 'button', false, false, array( 'id' => 'search-submit' ) ); ?>
 	<a id="filter-click" href="?filter=1"><?php _e( 'Feature Filter' ); ?></a>
 </p>
diff --git a/wp-admin/user-edit.php b/wp-admin/user-edit.php
index 4fabfb9dc..039f999d1 100644
--- a/wp-admin/user-edit.php
+++ b/wp-admin/user-edit.php
@@ -333,7 +333,7 @@ if ( is_multisite() && is_network_admin() && ! IS_PROFILE_PAGE && current_user_c
 <table class="form-table">
 <tr>
 	<th><label for="email"><?php _e('E-mail'); ?> <span class="description"><?php _e('(required)'); ?></span></label></th>
-	<td><input type="text" name="email" id="email" value="<?php echo esc_attr($profileuser->user_email) ?>" class="regular-text" />
+	<td><input type="email" name="email" id="email" value="<?php echo esc_attr($profileuser->user_email) ?>" class="regular-text" />
 	<?php
 	$new_email = get_option( $current_user->ID . '_new_email' );
 	if ( $new_email && $new_email != $current_user->user_email ) : ?>
diff --git a/wp-includes/class-wp-editor.php b/wp-includes/class-wp-editor.php
index 1b0080085..288e5a678 100644
--- a/wp-includes/class-wp-editor.php
+++ b/wp-includes/class-wp-editor.php
@@ -784,7 +784,7 @@ final class _WP_Editors {
 			<div class="link-search-wrapper">
 				<label>
 					<span><?php _e( 'Search' ); ?></span>
-					<input type="text" id="search-field" class="link-search-field" tabindex="60" autocomplete="off" />
+					<input type="search" id="search-field" class="link-search-field" tabindex="60" autocomplete="off" />
 					<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
 				</label>
 			</div>