title: Soemtimes Google Recaptcha doesn't show images (but we will only get tick mark automatically)
body: <p>Google Recaptcha works fine, but sometimes it wont show images. It automatically gets a tick mark without verifying. It won't send the form details. Can anyone helps me? 
  Acess the below link to check.</p>
  
  <p><a href="http://www.paint.netau.net/Contact-us.html" rel="nofollow">Access my Website link</a></p>
  
  <p>It doesn't work mostly on mobile phone.</p>
  
  <p>And I used the Recaptcha php library from Github 
  <a href="https://github.com/google/recaptcha" rel="nofollow">Github Recaptcha</a></p>
  
  <p>I have used the following code
  <div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;form class="form-horizontal" id="ajax-contact-form1" action="" method="post" autocomplete="on" onsubmit="return myFunction()"&gt;
     &lt;?php 
    require_once "recaptchalib.php";
    // your secret key
  $secret = "xxxxxx";
   
  // empty response
  $response = null;
  
  // check secret key
  $reCaptcha = new ReCaptcha($secret);
  
  // if submitted check response
   
  if ($_POST["g-recaptcha-response"]) {
      $response = $reCaptcha-&gt;verifyResponse(
          $_SERVER["REMOTE_ADDR"],
          $_POST["g-recaptcha-response"]
      );
  }
  if ($response != null &amp;&amp; $response-&gt;success) {
       
   
      // EDIT THE 2 LINES BELOW AS REQUIRED
   
      $email_to = "xxxx@gmail.com";
      $email_to2 = "xxxx@gmail.com";
      $email_to3 = "xxxx@outlook.com"; 
      $email_subject = "Play Of Paints Response";
   
      $success = false; 
   
    
    
      $first_name = $_POST['name']; // required
   
      
   
      $email_from = $_POST['email']; // required
   
      $telephone = $_POST['phone']; // not required
   
      $comments = $_POST['message']; // required
   
       
   
      $error_message = "";
   
  
   
      $email_message = "Devour...\n\n";
   
       
   
      function clean_string($string) {
   
        $bad = array("content-type","bcc:","to:","cc:","href");
   
        return str_replace($bad,"",$string);
   
      }
   
       
   
      $email_message .= "Name: ".clean_string($first_name)."\n";
   
       
      $email_message .= "Email: ".clean_string($email_from)."\n";
   
      $email_message .= "Telephone: ".clean_string($telephone)."\n";
   
      $email_message .= "Message: ".clean_string($comments)."\n";
   
            
   
  // create email headers
   
  $headers = 'From: Play Of Paints&lt;www.playofpaints.com&gt;'.$email_to3."\r\n".
   
  'Reply-To: '.$email_to3."\r\n" .
   
  'X-Mailer: PHP/' . phpversion();
   
    @mail($email_to2, $email_subject, $email_message, $headers); 
    $success = mail($email_to, $email_subject, $email_message, $headers);
  
      echo nl2br("Hello " . $_POST["name"] . " (" . $_POST["email"] . "), thanks for submitting the form! \n\n&lt;strong&gt;You will be contacted shortly!&lt;/strong&gt;");
      
    } else { echo "Please enter your details below";
  
  }
  ?&gt;
  
    &lt;div class="control-group"&gt;
  &lt;br&gt;
        &lt;label class="control-label" for="inputName"&gt;Your full name:&lt;/label&gt;
        &lt;div class="controls"&gt;          
         &lt;input class="" type="text" id="contact_name" name="name" placeholder="Your full name:"  &gt;
        &lt;/div&gt;
    &lt;/div&gt;
  
    &lt;div class="control-group"&gt;
        &lt;label class="control-label" for="inputEmail"&gt;Your email:&lt;/label&gt;
        &lt;div class="controls"&gt;          
          &lt;input class="" type="email" id="inputEmail" name="email" placeholder="Your email:" onBlur="if(this.value=='') this.value='Your email:'" onFocus="if(this.value =='Your email:' ) this.value=''" &gt;
        &lt;/div&gt;
    &lt;/div&gt;
  
    &lt;div class="control-group"&gt;
        &lt;label class="control-label" for="inputPhone"&gt;Phone number:&lt;/label&gt;
        &lt;div class="controls"&gt;          
          &lt;input class="contact_phone" type="tel" id="inputPhone" name="phone" placeholder="Phone number:" onBlur="if(this.value=='') this.value='Phone number:'" onFocus="if(this.value =='Phone number:' ) this.value=''" &gt;
        &lt;/div&gt;
    &lt;/div&gt;
  &lt;div class="control-group"&gt;
        &lt;label class="control-label" for="inputPhone"&gt;City&lt;/label&gt;
        &lt;div class="controls"&gt;          
          &lt;input type="text" name="firstname" value="Bangalore" readonly&gt;
        &lt;/div&gt;
    &lt;/div&gt;
    &lt;div class="control-group"&gt;
        &lt;label class="control-label" for="inputMessage"&gt;Message:&lt;/label&gt;
        &lt;div class="controls"&gt;                    
          &lt;textarea class="" id="contact_message" name="message" placeholder="Message:" &gt;&lt;/textarea&gt;
        &lt;/div&gt;
    &lt;/div&gt;
  
    &lt;div class="g-recaptcha" data-sitekey="6LfaGhETAAAAAMtEMP_dYoU-AbgaHLedpMWGiQ-7"&gt;&lt;/div&gt;
       &lt;br&gt;
      
    &lt;button type="submit" class="submit"&gt;submit&lt;/button&gt;
   &lt;/form&gt;</code></pre>
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