diff --git a/addons/website_blog/controllers/main.py b/addons/website_blog/controllers/main.py
index ce9257387a1..e0b02ddcd9e 100644
--- a/addons/website_blog/controllers/main.py
+++ b/addons/website_blog/controllers/main.py
@@ -106,6 +106,9 @@ class WebsiteBlog(http.Controller):
         # retrocompatibility to accept tag as slug
         active_tag_ids = tag and map(int, [unslug(t)[1] for t in tag.split(',')]) or []
         if active_tag_ids:
+            fixed_tag_slug = ",".join(map(slug, request.env['blog.tag'].browse(active_tag_ids)))
+            if fixed_tag_slug != tag:
+                return request.redirect(request.httprequest.full_path.replace("/tag/%s/" % tag, "/tag/%s/" % fixed_tag_slug, 1), 301)
             domain += [('tag_ids', 'in', active_tag_ids)]
         if blog:
             domain += [('blog_id', '=', blog.id)]
diff --git a/addons/website_blog/views/website_blog_templates.xml b/addons/website_blog/views/website_blog_templates.xml
index 4a6d8517fab..00db3c04058 100644
--- a/addons/website_blog/views/website_blog_templates.xml
+++ b/addons/website_blog/views/website_blog_templates.xml
@@ -161,7 +161,7 @@
 
                             <!-- To display tags //no options -->
                             <t t-foreach="blog_post.tag_ids" t-as="one_tag">
-                                <a class="mr8" t-attf-href="#{blog_url(tag=one_tag.id, date_begin=False, date_end=False)}" t-esc="one_tag.name"/>
+                                <a class="mr8" t-attf-href="#{blog_url(tag=slug(one_tag), date_begin=False, date_end=False)}" t-esc="one_tag.name"/>
                             </t>
                             <div class="o_sharing_links">
                                 <a class="fa fa-twitter-square o_twitter"></a>
@@ -245,7 +245,7 @@
                     <p class="post-meta text-muted text-center" t-if="len(blog_post.tag_ids)">
                         <span class="fa fa-tags"/>
                         <t t-foreach="blog_post.tag_ids" t-as="one_tag">
-                            <a class="label label-primary mr8" t-attf-href="#{blog_url(tag=one_tag.id)}" t-esc="one_tag.name"/>
+                            <a class="label label-primary mr8" t-attf-href="#{blog_url(tag=slug(one_tag))}" t-esc="one_tag.name"/>
                         </t>
                     </p>
                     <div t-if="'cover_full' in blog_post_cover_properties.get('resize_class', '')" id="blog_angle_down">
@@ -408,7 +408,7 @@
         <ul class="nav nav-pills nav-stacked">
             <t t-foreach="tags" t-as="nav_tag">
             <li t-att-class="nav_tag.id in active_tag_ids and 'active' or None" style="display: inline-block;">
-                <a t-attf-href="#{blog_url(tag=tags_list(active_tag_ids, nav_tag.id))}">
+                <a t-att-rel="'nofollow' if active_tag_ids else None" t-attf-href="#{blog_url(tag=tags_list(active_tag_ids, nav_tag.id))}">
                     <span t-field="nav_tag.name"/>
                 </a>
             </li>
@@ -433,12 +433,12 @@
                 <t t-foreach="nav_list[year]" t-as="months">
                     <t t-if="months['date_begin'] == date">
                         <li class="active">
-                            <a t-ignore="True" t-attf-href="#{blog_url(date_begin=False, date_end=False)}"><t t-esc="months['month']"/><span class="pull-right badge" t-esc="months['post_date_count']"/></a>
+                            <a t-ignore="True" rel="nofollow" t-attf-href="#{blog_url(date_begin=False, date_end=False)}"><t t-esc="months['month']"/><span class="pull-right badge" t-esc="months['post_date_count']"/></a>
                         </li>
                     </t>
                     <t t-else="1">
                         <li>
-                            <a t-ignore="True" t-attf-href="#{blog_url(date_begin=months['date_begin'], date_end=months['date_end'])}"><t t-esc="months['month']"/><span class="pull-right badge" t-esc="months['post_date_count']"/></a>
+                            <a t-ignore="True" rel="nofollow" t-attf-href="#{blog_url(date_begin=months['date_begin'], date_end=months['date_end'])}"><t t-esc="months['month']"/><span class="pull-right badge" t-esc="months['post_date_count']"/></a>
                         </li>
                     </t>
                 </t>
diff --git a/doc/reference/cmdline.rst b/doc/reference/cmdline.rst
index fa57319e4f9..88d1b1c1774 100644
--- a/doc/reference/cmdline.rst
+++ b/doc/reference/cmdline.rst
@@ -170,6 +170,12 @@ database
     when creating new databases from the database-management screens, use the
     specified `template database`_. Defaults to ``template1``.
 
+.. option:: --pg_path </path/to/postgresql/binaries>
+
+    Path to the PostgreSQL binaries that are used by the database manager to
+    dump and restore databases. You have to specify this option only if these
+    binaries are located in a non-standard directory.
+
 .. _reference/cmdline/server/internationalisation:
 
 Internationalisation