Merge PRs #1, #2 from JohJohan

Resolves #1
Resolves #2

Author: ulidtko

img/forkme_right_green_007200.png

@@ -43,7 +43,7 @@
           </div>
         </div>
       </nav>
-      <div class="github-ribbon"><a href="https://github.com/Guake/guake"><img src="https://camo.githubusercontent.com/e7bbb0521b397edbd5fe43e7f760759336b5e05f/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f677265656e5f3030373230302e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_green_007200.png" class="github-ribbon-top"></a></div>
+      <div class="github-ribbon"><a href="https://github.com/Guake/guake"><img src="/img/forkme_right_green_007200.png" alt="Fork me on GitHub" class="github-ribbon-top" loading="lazy"></a></div>
       <section id="intro" class="slide">
         <div class="intro-body"><img src="img/intro.jpg" class="hidden-img-intro">
         </div>
@@ -119,7 +119,7 @@ <h1 data-animation="space-in" data-build="1" class="animate-in">What does Guake
                     it to hide the terminal and go back to your work.
                   </p>
                 </div>
-                <div class="col-xs-12 col-md-5"><a href="img/screenshot.png" class="screenshot-link"><img src="img/screenshot-tb.png"></a><br><a href="img/screenshot2.jpg" class="screenshot-link"><img src="img/screenshot2-tb.jpg"></a></div>
+                <div class="col-xs-12 col-md-5"><a href="img/screenshot.png" class="screenshot-link"><img src="img/screenshot-tb.png" loading="lazy"></a><br><a href="img/screenshot2.jpg" class="screenshot-link"><img src="img/screenshot2-tb.jpg" loading="lazy"></a></div>
               </div>
             </div>
           </div>
@@ -259,4 +259,4 @@ <h1 data-animation="space-in" data-build="1" class="animate-in">About the Guake
       <script src="js/guake.js"></script>
     </body>
   </head>
-</html>
+</html>