diff --git a/weboob/backends/dlfp/browser.py b/weboob/backends/dlfp/browser.py
index 2f410084..d716800c 100644
--- a/weboob/backends/dlfp/browser.py
+++ b/weboob/backends/dlfp/browser.py
@@ -22,7 +22,7 @@ from weboob.tools.browser import BaseBrowser, BrowserHTTPError, BrowserIncorrect
 from weboob.capabilities.messages import CantSendMessage
 
 from .pages.index import IndexPage, LoginPage
-from .pages.news import ContentPage, NewCommentPage, NodePage
+from .pages.news import ContentPage, NewCommentPage, NodePage, CommentPage
 from .tools import id2url, url2id
 
 # Browser
@@ -33,6 +33,7 @@ class DLFP(BaseBrowser):
              'https://linuxfr.org/login.html': LoginPage,
              'https://linuxfr.org/news/[^\.]+': ContentPage,
              'https://linuxfr.org/users/[\w_]+/journaux/[^\.]+': ContentPage,
+             'https://linuxfr.org/nodes/(\d+)/comments/(\d+)$': CommentPage,
              'https://linuxfr.org/nodes/(\d+)/comments/nouveau': NewCommentPage,
              'https://linuxfr.org/nodes/(\d+)/comments$': NodePage,
             }
@@ -101,3 +102,30 @@ class DLFP(BaseBrowser):
 
     def close_session(self):
         self.openurl('/compte/deconnexion')
+
+    def plusse(self, url):
+        return self.relevance(url, 'for')
+
+    def moinse(self, url):
+        return self.relevance(url, 'against')
+
+    def relevance(self, url, what):
+        self.location(url)
+
+        comment = None
+        if self.is_on_page(CommentPage):
+            comment = self.page.get_comment()
+        elif self.is_on_page(ContentPage):
+            ignored, id = url.rsplit('#comment-', 1)
+            comment = self.page.get_comment(int(id))
+
+        if comment is None:
+            raise ValueError('The given URL isn\'t a comment.')
+
+        if comment.relevance_token is None:
+            return False
+
+        res = self.readurl('%s%s' % (comment.relevance_url, what),
+                           urllib.urlencode({'authenticity_token': comment.relevance_token}))
+
+        return res
diff --git a/weboob/backends/dlfp/pages/news.py b/weboob/backends/dlfp/pages/news.py
index 98cd5698..54395554 100644
--- a/weboob/backends/dlfp/pages/news.py
+++ b/weboob/backends/dlfp/pages/news.py
@@ -49,6 +49,13 @@ class Comment(object):
         self.date = local2utc(self.date)
         self.body = self.browser.parser.tostring(div.find('div'))
         self.score = int(select(div.find('p'), 'span.score', 1).text)
+        forms = select(div.find('footer'), 'form.button_to')
+        if len(forms) == 0:
+            self.relevance_url = None
+            self.relevance_token = None
+        else:
+            self.relevance_url = forms[0].attrib['action'].rstrip('for').rstrip('against')
+            self.relevance_token = select(forms[0], 'input[name=authenticity_token]', 1).attrib['value']
 
         subs = div.find('ul')
         if subs is not None:
@@ -70,6 +77,14 @@ class Article(object):
         self.browser = browser
         self.url = url
         self.id = url2id(self.url)
+        self.title = None
+        self.author = None
+        self.body = None
+        self.date = None
+        self.comments = []
+
+        if not tree:
+            return
 
         header = tree.find('header')
         self.title = u' — '.join([a.text for a in header.find('h1').findall('a')])
@@ -82,8 +97,6 @@ class Article(object):
                                       '%Y-%m-%dT%H:%M:%S')
         self.date = local2utc(self.date)
 
-        self.comments = []
-
     def append_comment(self, comment):
         self.comments.append(comment)
 
@@ -96,10 +109,24 @@ class Article(object):
     def parse_part2(self, div):
         self.part2 = self.browser.parser.tostring(div)
 
+class CommentPage(DLFPPage):
+    def get_comment(self):
+        article = Article(self.browser, self.url, None)
+        return Comment(article, select(self.document.getroot(), 'li.comment', 1), 0)
+
 class ContentPage(DLFPPage):
     def on_loaded(self):
         self.article = None
 
+    def get_comment(self, id):
+        article = Article(self.browser, self.url, None)
+        try:
+            li = select(self.document.getroot(), 'li#comment-%s' % id, 1)
+        except SelectElementException:
+            return None
+        else:
+            return Comment(article, li, 0)
+
     def get_article(self):
         if not self.article:
             self.article = Article(self.browser,