diff --git a/index.html b/index.html
index 9251a5a..b469466 100644
--- a/index.html
+++ b/index.html
@@ -36,7 +36,7 @@
 <body>
   <header>
     <div>
-      <img src="SMALL/logo_menu.png" width="112px" height="33px" style="cursor:pointer;" onclick="window.scroll({ top: 0, behavior: 'smooth'})"/>
+      <img src="SMALL/logo_menu.png" alt="hash-menu-logo" width="112px" height="33px" style="cursor:pointer;" onclick="window.scroll({ top: 0, behavior: 'smooth'})"/>
       <a class="header-link home" onclick="window.scroll({ top: 0 * parseFloat(window.document.body.style.zoom), behavior: 'smooth'})">
         início
       </a>
@@ -50,11 +50,11 @@
         contato
       </a>
       <a class="change-language" href="./en/index.html">
-        <img src="BT_EN@2x.png"/>
+        <img src="BT_EN@2x.png" alt="english-language-switch"/>
       </a>
       
       <a class="header-link blue" href="https://www.linkedin.com/company/hashoficial/life/" target="_blank">
-        trabalhe conosco <img src="SMALL/next.png" width="7px" height="11px" style="margin-left: 8px;"/>
+        trabalhe conosco <img src="SMALL/next.png" alt="work-with-us-right-arrow-icon" width="7px" height="11px" style="margin-left: 8px;"/>
       </a>
     </div>
   </header>
@@ -62,10 +62,10 @@
   <div class="container">
 
     <div class="left-box ilustras hide-big">
-      <img src="./ILUSTRA/ILU_4.png"/>
-      <img src="./ILUSTRA/ILU_3.png"/>
-      <img src="./ILUSTRA/ILU_2.png"/>
-      <img src="./ILUSTRA/ILU_1.png"/>
+      <img src="./ILUSTRA/ILU_4.png" alt="hash-illustration-4"/>
+      <img src="./ILUSTRA/ILU_3.png" alt="hash-illustration-3"/>
+      <img src="./ILUSTRA/ILU_2.png" alt="hash-illustration-2"/>
+      <img src="./ILUSTRA/ILU_1.png" alt="hash-illustration-1"/>
     </div>
 
     <div class="left-box bg-squares-1">
@@ -79,25 +79,25 @@ <h2 class="header-1">
       </span>
 			<div style="margin-top: 30px;display: flex;" class="bg1-3">
 				<a class="button" href="#" onclick="window.scroll({ top: 850 * parseFloat(window.document.body.style.zoom), behavior: 'smooth'})">
-					saiba mais <img src="SMALL/down.png" width="16px" height="16px" style="margin-left: 8px;"/>
+					saiba mais <img src="SMALL/down.png" alt="know-more-down-arrow-icon" width="16px" height="16px" style="margin-left: 8px;"/>
 				</a>
 				<a class="button blue" href="#" onclick="window.scroll({ top: 2650 * parseFloat(window.document.body.style.zoom), behavior: 'smooth'})">
-					entre em contato <img src="SMALL/talk.png" width="16px" height="15px" style="margin-left: 5px;"/>
+					entre em contato <img src="SMALL/talk.png" alt="contact-balloon-icon" width="16px" height="15px" style="margin-left: 5px;"/>
 				</a>
 			</div>
     </div>
 
     <div class="right-box">
-      <img class="ilustra animation-4" src="./ILUSTRA/ILU_4.png" width="605px" height="830px" style="transform:translate(0, 20px)"/>
-      <img class="ilustra animation-3" src="./ILUSTRA/ILU_3.png" width="605px" height="830px" style="transform:translate(0, 20px)"/>
-      <img class="tower t1" src="./ILUSTRA/FORNECEDORES.png" width="79px" height="108px"           style="transform: translate(-197px, -74px);">
-      <img class="tower t2" src="./ILUSTRA/CAPTURA.png" width="79px" height="108px"            style="transform: translate(-115px, -115px);">
-      <img class="tower t3" src="./ILUSTRA/BANKING.png" width="79px" height="108px"             style="transform: translate(-31px, -158px);">
-      <img class="tower t4" src="./ILUSTRA/CONCILIAÇÃO.png" width="79px" height="108px"       style="transform: translate(4px, 55px);">
-      <img class="tower t5" src="./ILUSTRA/CARDS.png" width="79px" height="108px"           style="transform: translate(90px, 2px);">
-      <img class="tower t6" src="./ILUSTRA/WALLET.png" width="79px" height="108px"      style="transform: translate(171px, -46px);">
-      <img class="ilustra animation-2" src="./ILUSTRA/ILU_2.png" width="605px" height="830px" style="transform:translate(0, 20px)"/>
-      <img class="ilustra animation-1" src="./ILUSTRA/ILU_1.png" width="605px" height="830px" style="transform:translate(0, 20px)"/>
+      <img class="ilustra animation-4" src="./ILUSTRA/ILU_4.png" alt="hash-illustration-4" width="605px" height="830px" style="transform:translate(0, 20px)"/>
+      <img class="ilustra animation-3" src="./ILUSTRA/ILU_3.png" alt="hash-illustration-3" width="605px" height="830px" style="transform:translate(0, 20px)"/>
+      <img class="tower t1" src="./ILUSTRA/FORNECEDORES.png" alt="suppliers-illustration"width="79px" height="108px"           style="transform: translate(-197px, -74px);">
+      <img class="tower t2" src="./ILUSTRA/CAPTURA.png" alt="payment-terminal-capture-illustration" width="79px" height="108px"            style="transform: translate(-115px, -115px);">
+      <img class="tower t3" src="./ILUSTRA/BANKING.png" alt="banking-illustration" width="79px" height="108px"             style="transform: translate(-31px, -158px);">
+      <img class="tower t4" src="./ILUSTRA/CONCILIAÇÃO.png" alt="conciliation-illustration" width="79px" height="108px"       style="transform: translate(4px, 55px);">
+      <img class="tower t5" src="./ILUSTRA/CARDS.png" alt="credit-cards-illustration" width="79px" height="108px"           style="transform: translate(90px, 2px);">
+      <img class="tower t6" src="./ILUSTRA/WALLET.png" alt="wallet-illustration" width="79px" height="108px"      style="transform: translate(171px, -46px);">
+      <img class="ilustra animation-2" src="./ILUSTRA/ILU_2.png" alt="hash-illustration-2" width="605px" height="830px" style="transform:translate(0, 20px)"/>
+      <img class="ilustra animation-1" src="./ILUSTRA/ILU_1.png" alt="hash-illustration-1" width="605px" height="830px" style="transform:translate(0, 20px)"/>
     </div>
 
 
@@ -107,7 +107,7 @@ <h2 class="header-1">
       <h1 class="bg2-1">
         NÓS<br>
         SOMOS<br>
-        A <img src="SMALL/HASH.png" width="400px" height="171px">
+        A <img src="SMALL/HASH.png" alt="hash-name" width="400px" height="171px">
       </h1>
       <span class="span-header bg2-2">
         <!-- Com nossa plataforma whitelabel e plug-and-play, eliminamos o tempo de implementação, reduzimos o investimento inicial e os custos operacionais em até 95%.
@@ -240,19 +240,19 @@ <h2 class="bg3-1">
       <div>
         <div>
           <div class="box1-6">
-            <img src="ILUSTRA/CAPTURA.png" class="tower-1-final" width="54px" height="86px"/>
+            <img src="ILUSTRA/CAPTURA.png" alt="payment-terminal-capture-illustration" class="tower-1-final" width="54px" height="86px"/>
             <h3>
               Terminais de pagamentos white label
             </h3>
           </div>
           <div class="box2-6">
-            <img src="ILUSTRA/BANKING.png" class="tower-4-final" width="54px" height="86px"/>
+            <img src="ILUSTRA/BANKING.png" alt="banking-illustration" class="tower-4-final" width="54px" height="86px"/>
             <h3>
               Sistemas de controle e gestão financeira
             </h3>
           </div>
           <div class="box3-6">
-            <img src="ILUSTRA/WALLET.png" class="tower-5-final" width="54px" height="86px"/>
+            <img src="ILUSTRA/WALLET.png" alt="wallet-illustration" class="tower-5-final" width="54px" height="86px"/>
             <h3>
               Carteiras digitais para seus clientes
             </h3>
@@ -260,19 +260,19 @@ <h3>
         </div>
         <div style="margin-top: 30px;">
           <div class="box4-6">
-            <img src="ILUSTRA/FORNECEDORES.png" class="tower-2-final" width="54px" height="86px"/>
+            <img src="ILUSTRA/FORNECEDORES.png" alt="suppliers-illustration" class="tower-2-final" width="54px" height="86px"/>
             <h3>
               Regras de negócio customizáveis
             </h3>
           </div>
           <div class="box5-6">
-            <img src="ILUSTRA/CONCILIAÇÃO.png" class="tower-3-final" width="54px" height="86px"/>
+            <img src="ILUSTRA/CONCILIAÇÃO.png" alt="conciliation-illustration" class="tower-3-final" width="54px" height="86px"/>
             <h3>
               Conciliação financeira e painéis de controle
             </h3>
           </div>
           <div class="box6-6">
-            <img src="ILUSTRA/CARDS.png" class="tower-6-final" width="54px" height="86px"/>
+            <img src="ILUSTRA/CARDS.png" alt="credit-cards-illustration" class="tower-6-final" width="54px" height="86px"/>
             <h3>
               Gestão e antecipação  de recebíveis
             </h3>
@@ -285,19 +285,19 @@ <h3>
       <div>
         <div>
           <div class="box1-6">
-            <img src="ILUSTRA/CAPTURA.png" class="tower-1-final" width="54px" height="86px"/>
+            <img src="ILUSTRA/CAPTURA.png" alt="payment-terminal-capture-illustration" class="tower-1-final" width="54px" height="86px"/>
             <h3>
               Terminais de pagamentos white label
             </h3>
           </div>
           <div class="box2-6">
-            <img src="ILUSTRA/BANKING.png" class="tower-4-final" width="54px" height="86px"/>
+            <img src="ILUSTRA/BANKING.png" alt="banking-illustration" class="tower-4-final" width="54px" height="86px"/>
             <h3>
               Sistemas de controle e gestão financeira
             </h3>
           </div>
           <div class="box3-6">
-            <img src="ILUSTRA/WALLET.png" class="tower-5-final" width="54px" height="86px"/>
+            <img src="ILUSTRA/WALLET.png" alt="wallet-illustration" class="tower-5-final" width="54px" height="86px"/>
             <h3>
               Carteiras digitais para seus clientes
             </h3>
@@ -305,19 +305,19 @@ <h3>
         </div>
         <div style="margin-top: 30px;">
           <div class="box4-6">
-            <img src="ILUSTRA/FORNECEDORES.png" class="tower-2-final" width="54px" height="86px"/>
+            <img src="ILUSTRA/FORNECEDORES.png" alt="suppliers-illustration" class="tower-2-final" width="54px" height="86px"/>
             <h3 style="margin-left:-17px;">
               Regras de negócio customizáveis
             </h3>
           </div>
           <div class="box5-6">
-            <img src="ILUSTRA/CONCILIAÇÃO.png" class="tower-3-final" width="54px" height="86px"/>
+            <img src="ILUSTRA/CONCILIAÇÃO.png" alt="conciliation-illustration" class="tower-3-final" width="54px" height="86px"/>
             <h3>
               Conciliação financeira e painéis de controle
             </h3>
           </div>
           <div class="box6-6">
-            <img src="ILUSTRA/CARDS.png" class="tower-6-final" width="54px" height="86px"/>
+            <img src="ILUSTRA/CARDS.png" alt="credit-cards-illustration" class="tower-6-final" width="54px" height="86px"/>
             <h3 style="margin-left:-10px;">
               Gestão e antecipação  de recebíveis
             </h3>
@@ -382,14 +382,14 @@ <h2>
   </div>
 
   <footer>
-    <img src="SMALL/logo_footer.png" width="91px" height="91px" style="margin-left: 20px;cursor:pointer;" onclick="window.scroll({ top: 0, behavior: 'smooth'})">
+    <img src="SMALL/logo_footer.png" alt="hash-logo-with-name" width="91px" height="91px" style="margin-left: 20px;cursor:pointer;" onclick="window.scroll({ top: 0, behavior: 'smooth'})">
     
     <div class= "info">
-      <div class="location"> <img  class="hide-small" src="SMALL/location.png" width="15px" height="20px"/> <span><b>Av. Brigadeiro Faria Lima 1.306, 6 andar - São Paulo, SP</b></span> </div>
+      <div class="location"> <img  class="hide-small" src="SMALL/location.png" alt="map-pin-icon" width="15px" height="20px"/> <span><b>Av. Brigadeiro Faria Lima 1.306, 6 andar - São Paulo, SP</b></span> </div>
       <span>© Copyright 2017~2020 Hash Lab Solucoes Pagamento LTDA</span>
     </div>
     <div class="media">
-      <a href="https://www.linkedin.com/company/hashoficial/" target="_blank"> /hashoficial <img src="SMALL/social_linkedin.png" width="22px" height="24px"/> </a>
+      <a href="https://www.linkedin.com/company/hashoficial/" target="_blank"> /hashoficial <img src="SMALL/social_linkedin.png" alt="linkedin-logo" width="22px" height="24px"/> </a>
     </div>
   </footer>
 </body>
