diff --git a/CHANGELOG b/CHANGELOG
index 45936ac03..fe856fe4a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -13,6 +13,8 @@
 		(voir réorganisation ci-dessous)
 	* Pour les versions suivantes, juste garder “./data/config.php” et “./data/*_user.php”,
 		éventuellement “./data/persona/*”
+* Rafraîchissement automatique du nombre d’articles non lus toutes les minutes (utilise le cache HTTP à bon escient)
+	* Permet aussi de conserver la session valide, surtout dans le cas de Persona
 * Importation OPML instantanée et plus tolérante
 * Nouvelle gestion des favicons avec téléchargement en parallèle
 * Nouvelles options
diff --git a/app/Controllers/javascriptController.php b/app/Controllers/javascriptController.php
index e7e25f656..2d0ff4984 100755
--- a/app/Controllers/javascriptController.php
+++ b/app/Controllers/javascriptController.php
@@ -3,11 +3,17 @@
 class FreshRSS_javascript_Controller extends Minz_ActionController {
 	public function firstAction () {
 		$this->view->_useLayout (false);
-		header('Content-type: text/javascript');
 	}
 
 	public function actualizeAction () {
+		header('Content-Type: text/javascript; charset=UTF-8');
 		$feedDAO = new FreshRSS_FeedDAO ();
 		$this->view->feeds = $feedDAO->listFeeds ();
 	}
+
+	public function nbUnreadsPerFeedAction() {
+		header('Content-Type: application/json; charset=UTF-8');
+		$catDAO = new FreshRSS_CategoryDAO();
+		$this->view->categories = $catDAO->listCategories(true, false);
+	}
 }
diff --git a/app/views/javascript/nbUnreadsPerFeed.phtml b/app/views/javascript/nbUnreadsPerFeed.phtml
new file mode 100644
index 000000000..68f98ce9e
--- /dev/null
+++ b/app/views/javascript/nbUnreadsPerFeed.phtml
@@ -0,0 +1,8 @@
+<?php
+$result = array();
+foreach ($this->categories as $cat) {
+	foreach ($cat->feeds() as $feed) {
+		$result[$feed->id()] = $feed->nbNotRead();
+	}
+}
+echo json_encode($result);
diff --git a/p/i/index.php b/p/i/index.php
index 3dcf659c9..187bbabe8 100755
--- a/p/i/index.php
+++ b/p/i/index.php
@@ -26,6 +26,7 @@ if (file_exists ('install.php')) {
 
 	session_cache_limiter('');
 	Minz_Session::init('FreshRSS');
+	Minz_Session::_param('keepAlive', 1);	//For Persona
 
 	if (!file_exists(DATA_PATH . '/no-cache.txt')) {
 		require(LIB_PATH . '/http-conditional.php');
diff --git a/p/scripts/main.js b/p/scripts/main.js
index 8646d9b72..24fdfd3f3 100644
--- a/p/scripts/main.js
+++ b/p/scripts/main.js
@@ -25,6 +25,46 @@ function incLabel(p, inc) {
 	return i > 0 ? ' (' + i + ')' : '';
 }
 
+function incUnreadsFeed(article, feed_id, nb) {
+	//Update unread: feed
+	var elem = $('#' + feed_id + '>.feed').get(0),
+		feed_unreads = elem ? (parseInt(elem.getAttribute('data-unread'), 10) || 0) : 0,
+		feed_priority = elem ? (parseInt(elem.getAttribute('data-priority'), 10) || 0) : 0;
+	if (elem) {
+		elem.setAttribute('data-unread', Math.max(0, feed_unreads + nb));
+	}
+
+	//Update unread: category
+	elem = $('#' + feed_id).parent().prevAll('.category').children(':first').get(0);
+	feed_unreads = elem ? (parseInt(elem.getAttribute('data-unread'), 10) || 0) : 0;
+	if (elem) {
+		elem.setAttribute('data-unread', Math.max(0, feed_unreads + nb));
+	}
+
+	//Update unread: all
+	if (feed_priority > 0) {
+		elem = $('#aside_flux .all').children(':first').get(0);
+		if (elem) {
+			feed_unreads = elem ? (parseInt(elem.getAttribute('data-unread'), 10) || 0) : 0;
+			elem.setAttribute('data-unread', Math.max(0, feed_unreads + nb));
+		}
+	}
+
+	//Update unread: favourites
+	if (article && article.closest('div').hasClass('favorite')) {
+		elem = $('#aside_flux .favorites').children(':first').get(0);
+		if (elem) {
+			feed_unreads = elem ? (parseInt(elem.getAttribute('data-unread'), 10) || 0) : 0;
+			elem.setAttribute('data-unread', Math.max(0, feed_unreads + nb));
+		}
+	}
+
+	//Update unread: title
+	document.title = document.title.replace(/((?: \(\d+\))?)( · .*?)((?: \(\d+\))?)$/, function (m, p1, p2, p3) {
+		return incLabel(p1, nb) + p2 + incLabel(p3, feed_priority > 0 ? nb : 0);
+	});
+}
+
 function mark_read(active, only_not_read) {
 	if (active[0] === undefined || (only_not_read === true && !active.hasClass("not_read"))) {
 		return false;
@@ -51,45 +91,9 @@ function mark_read(active, only_not_read) {
 		}
 		$r.find('.icon').replaceWith(data.icon);
 
-		//Update unread: feed
 		var feed_url = active.find(".website>a").attr("href"),
-			feed_id = feed_url.substr(feed_url.lastIndexOf('f_')),
-			elem = $('#' + feed_id + ' .feed').get(0),
-			feed_unread = elem ? (parseInt(elem.getAttribute('data-unread'), 10) || 0) : 0,
-			feed_priority = elem ? (parseInt(elem.getAttribute('data-priority'), 10) || 0) : 0;
-		if (elem) {
-			elem.setAttribute('data-unread', Math.max(0, feed_unread + inc));
-		}
-
-		//Update unread: category
-		elem = $('#' + feed_id).parent().prevAll('.category').children(':first').get(0);
-		feed_unread = elem ? (parseInt(elem.getAttribute('data-unread'), 10) || 0) : 0;
-		if (elem) {
-			elem.setAttribute('data-unread', Math.max(0, feed_unread + inc));
-		}
-
-		//Update unread: all
-		if (feed_priority > 0) {
-			elem = $('#aside_flux .all').children(':first').get(0);
-			if (elem) {
-				feed_unread = elem ? (parseInt(elem.getAttribute('data-unread'), 10) || 0) : 0;
-				elem.setAttribute('data-unread', Math.max(0, feed_unread + inc));
-			}
-		}
-
-		//Update unread: favourites
-		if (active.closest('div').hasClass('favorite')) {
-			elem = $('#aside_flux .favorites').children(':first').get(0);
-			if (elem) {
-				feed_unread = elem ? (parseInt(elem.getAttribute('data-unread'), 10) || 0) : 0;
-				elem.setAttribute('data-unread', Math.max(0, feed_unread + inc));
-			}
-		}
-
-		//Update unread: title
-		document.title = document.title.replace(/((?: \(\d+\))?)( · .*?)((?: \(\d+\))?)$/, function (m, p1, p2, p3) {
-			return incLabel(p1, inc) + p2 + incLabel(p3, feed_priority > 0 ? inc : 0);
-		});
+			feed_id = feed_url.substr(feed_url.lastIndexOf('f_'));
+		incUnreadsFeed(active, feed_id, inc);
 	});
 }
 
@@ -128,8 +132,8 @@ function mark_favorite(active) {
 
 		if (active.closest('div').hasClass('not_read')) {
 			var elem = $('#aside_flux .favorites').children(':first').get(0),
-				feed_unread = elem ? (parseInt(elem.getAttribute('data-unread'), 10) || 0) : 0;
-			elem.setAttribute('data-unread', Math.max(0, feed_unread + inc));
+				feed_unreads = elem ? (parseInt(elem.getAttribute('data-unread'), 10) || 0) : 0;
+			elem.setAttribute('data-unread', Math.max(0, feed_unreads + inc));
 		}
 	});
 }
@@ -514,6 +518,17 @@ function init_notifications() {
 	}
 }
 
+function refreshUnreads() {
+	$.getJSON('./?c=javascript&a=nbUnreadsPerFeed').done(function (data) {
+		$.each(data, function(feed_id, nbUnreads) {
+			feed_id = 'f_' + feed_id;
+			var elem = $('#' + feed_id + '>.feed').get(0),
+				feed_unreads = elem ? (parseInt(elem.getAttribute('data-unread'), 10) || 0) : 0;
+			incUnreadsFeed(null, feed_id, nbUnreads - feed_unreads);
+		});
+	});
+}
+
 //<endless_mode>
 var url_load_more = "",
 	load_more = false,
@@ -685,6 +700,7 @@ function init_all() {
 	}
 	init_confirm_action();
 	init_print_action();
+	window.setInterval(refreshUnreads, 60000);
 	if (window.console) {
 		console.log('FreshRSS init done.');
 	}