diff --git a/src/components/Header.vue b/src/components/Header.vue
index 52f79d9..ec5786f 100644
--- a/src/components/Header.vue
+++ b/src/components/Header.vue
@@ -8,7 +8,7 @@
         <div class="support">
           <translate>developed by</translate>
 
-          <img alt="Framasoft text logo" :src="buildImgUrl('framasoft-logo-text-small.png')">
+          <img alt="Framasoft" :src="buildImgUrl('framasoft-logo-text-small.png')">
         </div>
       </b-navbar-brand>
 
diff --git a/src/components/InstancesList.vue b/src/components/InstancesList.vue
index 4b5f798..f46528a 100644
--- a/src/components/InstancesList.vue
+++ b/src/components/InstancesList.vue
@@ -107,7 +107,7 @@
         <translate>Instances list</translate>
 
         <div class="mascot-loading-block">
-          <img v-bind:class="{ animate: loadingAnimation }" v-on:animationend="loadingAnimation = false" class="mascot-loading" :src="buildImgUrl('mascot/happy.png')" alt="PeerTube mascot">
+          <img v-bind:class="{ animate: loadingAnimation }" v-on:animationend="loadingAnimation = false" class="mascot-loading" :src="buildImgUrl('mascot/happy.png')" alt="Loading...">
         </div>
       </div>
 
@@ -122,13 +122,13 @@
       </div>
 
       <div v-if="error" class="message">
-        <img :src="buildImgUrl('mascot/defeated.png')" alt="PeerTube mascot">
+        <img :src="buildImgUrl('mascot/defeated.png')" alt="">
 
         <div class="alert alert-danger">Sorry, but we cannot fetch the instances list. Please retry later.</div>
       </div>
 
       <div v-if="noResults" class="message">
-        <img :src="buildImgUrl('mascot/oh.png')" alt="PeerTube mascot">
+        <img :src="buildImgUrl('mascot/oh.png')" alt="">
 
         <div class="alert alert-info">Sorry, but we did not find any instance matching your filters.</div>
       </div>
diff --git a/src/views/Help.vue b/src/views/Help.vue
index fb345da..700ab06 100644
--- a/src/views/Help.vue
+++ b/src/views/Help.vue
@@ -12,7 +12,7 @@
 
       <div class="block-with-image understand">
         <div class="image-block">
-          <img width="183px" height="200px" :src="buildImgUrl('mascot/pointing.svg')" alt="PeerTube mascot">
+          <img width="183px" height="200px" :src="buildImgUrl('mascot/pointing.svg')" alt="">
         </div>
 
         <div class="text-block">
@@ -49,13 +49,13 @@
         </div>
 
         <div class="image-block">
-          <img width="189px" height="205px" :src="buildImgUrl('help/cat.png')" alt="Cat image">
+          <img width="189px" height="205px" :src="buildImgUrl('help/cat.png')" alt="">
         </div>
       </div>
 
       <div class="block-with-image administrators">
         <div class="image-block">
-          <img width="158px" height="219px" :src="buildImgUrl('help/panda.png')" alt="Panda image">
+          <img width="158px" height="219px" :src="buildImgUrl('help/panda.png')" alt="">
         </div>
 
         <div class="text-block">
@@ -97,7 +97,7 @@
         </div>
 
         <div class="image-block">
-          <img width="242px" height="221px" :src="buildImgUrl('help/dog.png')" alt="Dog image">
+          <img width="242px" height="221px" :src="buildImgUrl('help/dog.png')" alt="">
         </div>
       </div>
 
diff --git a/src/views/Home.vue b/src/views/Home.vue
index a636b8b..53969c7 100644
--- a/src/views/Home.vue
+++ b/src/views/Home.vue
@@ -3,12 +3,12 @@
 
     <section class="presentation">
       <div class="first-row">
-        <img class="brand" :src="buildImgUrl('brand.png')" alt="PeerTube logo"/>
+        <img class="brand" :src="buildImgUrl('brand.png')" alt="PeerTube"/>
 
         <div class="description" v-translate>A free software to take back control of your videos</div>
       </div>
 
-      <img class="peertube-mascot" :src="buildImgUrl(mascotPaths[currentMascot])" @click="switchMascot()" alt="PeerTube mascot">
+      <img class="peertube-mascot" :src="buildImgUrl(mascotPaths[currentMascot])" @click="switchMascot()" alt="">
 
       <div class="marketing" v-translate>
         With more than 100 000 hosted videos, viewed more than 6 millions times and 20 000 users,
@@ -58,7 +58,7 @@
       </div>
 
       <div class="two-columns">
-        <img :src="buildImgUrl('peertube-interface.jpg')" alt="PeerTube screen"/>
+        <img :src="buildImgUrl('peertube-interface.jpg')" alt=""/>
 
         <div>
           <div class="citation">
@@ -80,7 +80,7 @@
         </div>
 
         <div class="one-column">
-          <img :src="buildImgUrl('peertube-federation-multiplicity.jpg')" alt="Funny federation schema"/>
+          <img :src="buildImgUrl('peertube-federation-multiplicity.jpg')" alt=""/>
 
           <div>
             <div v-translate>PeerTube is not meant to become a huge platform that would centralize videos from all around the world.</div>
@@ -122,7 +122,7 @@
         </div>
 
         <div class="one-column">
-          <img :src="buildImgUrl('peertube-federation-2-instances.jpg')" alt="Funny 2 instances communication schema"/>
+          <img :src="buildImgUrl('peertube-federation-2-instances.jpg')" alt=""/>
 
           <p v-translate>
             And there's more! PeerTube uses Activity Pub, a federating protocol that <strong>allows you to interact with other
@@ -148,7 +148,7 @@
         </div>
 
         <div class="one-column">
-          <img :src="buildImgUrl('peertube-free-software.jpg')" alt="PeerTube is a free software funny schema"/>
+          <img :src="buildImgUrl('peertube-free-software.jpg')" alt=""/>
 
           <p v-translate>
             Mainstream online video broadcasting services make money off of your data by analyzing your interactions
@@ -194,7 +194,7 @@
         </div>
 
         <div class="one-column">
-          <img :src="buildImgUrl('peertube-upload.jpg')" alt="PeerTube upload illustration"/>
+          <img :src="buildImgUrl('peertube-upload.jpg')" alt=""/>
 
           <div class="citation">
             <div class="left-bar"></div>
@@ -237,7 +237,7 @@
         </div>
 
         <div class="one-column">
-          <img :src="buildImgUrl('peertube-p2p.jpg')" alt="PeerTube P2P illustration"/>
+          <img :src="buildImgUrl('peertube-p2p.jpg')" alt=""/>
 
           <div class="citation">
             <div class="left-bar"></div>
@@ -270,7 +270,7 @@
         </div>
 
         <div class="one-column">
-          <img :src="buildImgUrl('your-move.jpg')" alt="PeerTube you play illustration"/>
+          <img :src="buildImgUrl('your-move.jpg')" alt=""/>
         </div>
 
         <div class="buttons-row explore-create-account">
@@ -304,7 +304,7 @@
       </div>
 
       <div class="two-columns">
-        <img class="framasoft-logo" :src="buildImgUrl('framasoft-big-logo.png')" alt="Framasoft logo"/>
+        <img class="framasoft-logo" :src="buildImgUrl('framasoft-big-logo.png')" alt=""/>
 
         <div>
           <p v-translate>
@@ -509,7 +509,6 @@
           'mascot/default.png',
           'mascot/arguing.png',
           'mascot/oh.png',
-          'mascot/defeated.png',
           'mascot/happy.png'
         ],
         currentMascot: 0