diff --git a/content/en/_index.html b/content/en/_index.html
index bd1a6728..8c20901e 100644
--- a/content/en/_index.html
+++ b/content/en/_index.html
@@ -113,7 +113,7 @@ <h2>Documentation</h2>
           <img src="/images/icons/doc-arrow-icon.svg"  alt="" role="presentation"//>
         </button>
         <br/>
-        <p>Alternatively you can <a href="https://readium.firebaseapp.com/?epub=https%3A%2F%2Frawcdn.githack.com%2Fedrlab%2Fpublications%2Fmain%2Fthorium3-documentation%2Fsources%2Fen%2F&goto=epubcfi(/6/6!/4/2/2%5Bforewords%5D/1:0)">read online.</a></p>
+        <p><b>Alternatively you can <a href="https://thorium.edrlab.org/en/onlinedoc">read online.</b></a></p>
       </div>
       <div class="banner-element">
         <!-- <i class="fa-solid fa-book-open-reader"></i> -->
diff --git a/content/en/onlinedoc.html b/content/en/onlinedoc.html
new file mode 100644
index 00000000..e42a8160
--- /dev/null
+++ b/content/en/onlinedoc.html
@@ -0,0 +1,7 @@
+<head>
+<meta http-equiv="refresh" content="0; url=https://readium.firebaseapp.com/?epub=https%3A%2F%2Frawcdn.githack.com%2Fedrlab%2Fpublications%2Fmain%2Fthorium3-documentation%2Fsources%2Fen%2F&goto=epubcfi(/6/6!/4/2/2%5Bforewords%5D/1:0)" />
+</head>
+<body>
+<p><a href="https://readium.firebaseapp.com/?epub=https%3A%2F%2Frawcdn.githack.com%2Fedrlab%2Fpublications%2Fmain%2Fthorium3-documentation%2Fsources%2Fen%2F&goto=epubcfi(/6/6!/4/2/2%5Bforewords%5D/1:0)">Redirect</a></p>
+</body>
+
diff --git a/content/es/_index.html b/content/es/_index.html
index ffe1c7bf..aee0501a 100644
--- a/content/es/_index.html
+++ b/content/es/_index.html
@@ -71,7 +71,7 @@ <h1> Thorium 3</h1>
 <img src="/images/icons/documentation-icon.svg" alt="" role="presentation"><h2>Documentación</h2></button>
 
 <br/>
-<p>También puede <a href="https://readium.firebaseapp.com/?epub=https%3A%2F%2Frawcdn.githack.com%2Fedrlab%2Fpublications%2Fmain%2Fthorium3-documentation%2Fsources%2Fen%2F&goto=epubcfi(/6/6!/4/2/2%5Bforewords%5D/1:0)">leerlo en línea (en inglés).</a></p>
+<p><b>También puede <a href="https://thorium.edrlab.org/en/onlinedoc">leerlo en línea (en inglés).</b></a></p>
 </div>
 <div class="banner-element">
 
diff --git a/content/fr/_index.html b/content/fr/_index.html
index 6edb885e..6d667907 100644
--- a/content/fr/_index.html
+++ b/content/fr/_index.html
@@ -99,7 +99,7 @@ <h1> Thorium 3</h1>
 <h2>Documentation</h2>
 </button>
 <br/>
-<p>Vous pouvez également  <a href="https://readium.firebaseapp.com/?epub=https%3A%2F%2Frawcdn.githack.com%2Fedrlab%2Fpublications%2Fmain%2Fthorium3-documentation%2Fsources%2Fen%2F&goto=epubcfi(/6/6!/4/2/2%5Bforewords%5D/1:0)">lire en ligne (en anglais).</a></p>
+<p><b>Vous pouvez également  <a href="https://thorium.edrlab.org/en/onlinedoc">lire en ligne (en anglais).</b></a></p>
  </div>
 <div class="banner-element">
 
diff --git a/layouts/partials/footer.html b/layouts/partials/footer.html
index 311c2c75..c1c9767d 100644
--- a/layouts/partials/footer.html
+++ b/layouts/partials/footer.html
@@ -21,7 +21,7 @@
             <!-- <input type="checkbox" name="accordion-1" id="cb1" checked> -->
             <label for="cb1" class="tab__label">
                 <a href="opds://rawcdn.githack.com/edrlab/publications/main/feeds/thorium3_documentation.json">
-                  <img src="/images/icons/footer-doc-icon.svg" //>
+                  <img src="/images/icons/footer-doc-icon.svg" alt="" role="presentation"/>
                   Documentation
                   <div class="tab__content">
                     <p>This open-source software development is made possible by funding from EDRLab members, grants, and small donations from satisfied users.</p>
@@ -34,7 +34,7 @@
             <label for="cb2" class="tab__label">
               {{ with .Site.Params.thorium2 }}
                 <a href="{{ . }}">
-                  <img src="/images/icons/footer-th2-icon.svg" //>
+                  <img src="/images/icons/footer-th2-icon.svg" alt="" role="presentation"/>
                   {{ T "footer_thorium2" }}
                   <div class="tab__content"></div>
                 </a>
@@ -46,7 +46,7 @@
             <label for="cb3" class="tab__label">
               {{ with .Site.Params.privacy_policy }}
                 <a href="{{ . }}">
-                  <img src="/images/icons/footer-privacy-icon.svg" //>
+                  <img src="/images/icons/footer-privacy-icon.svg" alt="" role="presentation"/>
                   {{ T "footer_privacy_policy" }}
                   <div class="tab__content"></div>
                 </a>
@@ -58,7 +58,7 @@
             <label for="cb4" class="tab__label">
               {{ with .Site.Params.accessibility }}
                 <a href="{{ . }}">
-                  <img src="/images/icons/footer-access-icon.svg" //>
+                  <img src="/images/icons/footer-access-icon.svg" alt="" role="presentation"/>
                   {{ T "footer_accessibility" }}
                   <div class="tab__content"></div>
                 </a>
@@ -70,7 +70,7 @@
             <label for="cb5" class="tab__label">
               {{ with .Site.Params.tou }}
                 <a  href="{{ . }}">
-                  <img src="/images/icons/footer-tou-icon.svg" //>
+                  <img src="/images/icons/footer-tou-icon.svg" alt="" role="presentation"/>
                   {{ T "footer_tou" }}
                   <div class="tab__content"></div>
                 </a>
@@ -119,7 +119,7 @@
     </div>
   </div>
   <small class="text-white">© 2024 <a href="https://edrlab.org">EDRLab </a><a
-      href="http://www.apache.org/licenses/LICENSE-2.0"></a>Apache-2.0 license </small>
+      href="http://www.apache.org/licenses/LICENSE-2.0">Apache-2.0 license</a></small>
 </footer>
 {{ define "footer-links-block" }}
 <ul class="list-inline mb-0">
diff --git a/layouts/shortcodes/reviews.html b/layouts/shortcodes/reviews.html
index de639c84..4216354f 100644
--- a/layouts/shortcodes/reviews.html
+++ b/layouts/shortcodes/reviews.html
@@ -2,8 +2,8 @@
 <section class="userReviews">
     <h2>User Reviews</h2>
     <div class="carousel">
-      <button class="prev" onclick="prevSlide()">
-        <img src="/images/icons/review-prev-icon.svg" //>
+      <button class="prev" aria-label="previous user review" title="previous user review" onclick="prevSlide()">
+        <img src="/images/icons/review-prev-icon.svg" alt="" role="presentation"/>
       </button>
       <div class="carousel-images">
 
@@ -18,8 +18,8 @@ <h2>User Reviews</h2>
         </div>
         {{ end }}
       </div>
-      <button class="next" onclick="nextSlide()">
-        <img src="/images/icons/review-next-icon.svg" //>
+      <button class="next" aria-label="next user review" title="next user review" onclick="nextSlide()">
+        <img src="/images/icons/review-next-icon.svg" alt="" role="presentation"/>
       </button>
   </div>
   </section>
