Reduce a little the size of HTML page size

index.php

@@ -246,7 +246,14 @@
 <?php
                 }
 ?>
-                    <span class="sr"><?php echo $entry->book->getRating () ?></span></h2>
+<?php
+                if (!is_null ($entry->book->rating)) {
+?>
+                    <span class="sr"><?php echo $entry->book->getRating () ?></span>
+<?php
+                }
+?>
+                </h2>
                 <h4><?php echo localize("authors.title") . " : " ?></h4><span class="sa"><?php echo htmlspecialchars ($entry->book->getAuthorsName ()) ?></span><br />
 <?php
                 $tags = $entry->book->getTagsName ();
@@ -263,12 +270,11 @@
                 <h4><?php echo localize("series.title") . " : "  ?></h4><span class="ss"><?php echo htmlspecialchars ($serie->name) . " (" . $entry->book->seriesIndex . ")" ?></span><br />
 <?php
                 }
-            ?></div></a>
+?>
+            </div></a>
         </article>
 <?php
                 }
-        ?>
-        <?php
             }
 ?>
     </section>