diff --git a/addons/website_blog/models/website_blog.py b/addons/website_blog/models/website_blog.py
index 73fdd45a499..3c5f443b4f7 100644
--- a/addons/website_blog/models/website_blog.py
+++ b/addons/website_blog/models/website_blog.py
@@ -165,7 +165,7 @@ class BlogPost(models.Model):
                 blog_post.teaser = blog_post.teaser_manual
             else:
                 content = html2plaintext(blog_post.content).replace('\n', ' ')
-                blog_post.teaser = ' '.join(filter(None, content.split(' '))[:50]) + '...'
+                blog_post.teaser = content[:150] + '...'
 
     @api.multi
     def _set_teaser(self):
diff --git a/addons/website_blog/views/website_blog_templates.xml b/addons/website_blog/views/website_blog_templates.xml
index 49a5210624f..4a6d8517fab 100644
--- a/addons/website_blog/views/website_blog_templates.xml
+++ b/addons/website_blog/views/website_blog_templates.xml
@@ -101,6 +101,7 @@
     <t t-call="website_blog.index">
         <t t-set="head">
             <link t-att-href="'/blog/%s/feed' % (blog.id)" type="application/atom+xml" rel="alternate" title="Atom Feed"/>
+            <meta t-if="len(active_tag_ids) > 0" name="robots" t-attf-content="#{len(active_tag_ids) > 1 and 'noindex,'} nofollow"/>
         </t>
         <div class="oe_structure"/>
         <div class="container">