Bien que le fond de ce site soit plutôt bien, la forme est à chier : un script tout moisi "empêche" la consultation du code html.
Ce script, plus quelques lignes de css, le voici :

<script id="wpcp_disable_selection" type="text/javascript">
//<![CDATA[
var image_save_msg='You Can Not Save images!';
    var no_menu_msg='Context Menu disabled!';
    var smessage = "Content is protected !!";

function disableEnterKey(e)
{
    if (e.ctrlKey){
     var key;
     if(window.event)
          key = window.event.keyCode;     //IE
     else
          key = e.which;     //firefox (97)
    //if (key != 17) alert(key);
     if (key == 97 || key == 65 || key == 67 || key == 99 || key == 88 || key == 120 || key == 26 || key == 85  || key == 86 || key == 83 || key == 43)
     {
          show_wpcp_message('You are not allowed to copy content or view source');
          return false;
     }else
        return true;
     }
}

function disable_copy(e)
{   
    var elemtype = e.target.nodeName;
    var isSafari = /Safari/.test(navigator.userAgent) && /Apple Computer/.test(navigator.vendor);
    elemtype = elemtype.toUpperCase();
    var checker_IMG = '';
    if (elemtype == "IMG" && checker_IMG == 'checked' && e.detail >= 2) {show_wpcp_message(alertMsg_IMG);return false;}
    if (elemtype != "TEXT" && elemtype != "TEXTAREA" && elemtype != "INPUT" && elemtype != "PASSWORD" && elemtype != "SELECT" && elemtype != "OPTION" && elemtype != "EMBED")
    {
        if (smessage !== "" && e.detail == 2)
            show_wpcp_message(smessage);

        if (isSafari)
            return true;
        else
            return false;
    }   
}
function disable_copy_ie()
{
    var elemtype = window.event.srcElement.nodeName;
    elemtype = elemtype.toUpperCase();
    if (elemtype == "IMG") {show_wpcp_message(alertMsg_IMG);return false;}
    if (elemtype != "TEXT" && elemtype != "TEXTAREA" && elemtype != "INPUT" && elemtype != "PASSWORD" && elemtype != "SELECT" && elemtype != "OPTION" && elemtype != "EMBED")
    {
        //alert(navigator.userAgent.indexOf('MSIE'));
            //if (smessage !== "") show_wpcp_message(smessage);
        return false;
    }
}   
function reEnable()
{
    return true;
}
document.onkeydown = disableEnterKey;
document.onselectstart = disable_copy_ie;
if(navigator.userAgent.indexOf('MSIE')==-1)
{
    document.onmousedown = disable_copy;
    document.onclick = reEnable;
}
function disableSelection(target)
{
    //For IE This code will work
    if (typeof target.onselectstart!="undefined")
    target.onselectstart = disable_copy_ie;

    //For Firefox This code will work
    else if (typeof target.style.MozUserSelect!="undefined")
    {target.style.MozUserSelect="none";}

    //All other  (ie: Opera) This code will work
    else
    target.onmousedown=function(){return false}
    target.style.cursor = "default";
}
//Calling the JS function directly just after body load
window.onload = function(){disableSelection(document.body);};
//]]>
</script>
    <script id="wpcp_disable_Right_Click" type="text/javascript">
    //<![CDATA[
    document.ondragstart = function() { return false;}
    /* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    Disable context menu on images by GreenLava Version 1.0
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ */
        function nocontext(e) {
           return false;
        }
        document.oncontextmenu = nocontext;
    //]]>
    </script>
<style>
.unselectable
{
-moz-user-select:none;
-webkit-user-select:none;
cursor: default;
}
html
{
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
-webkit-tap-highlight-color: rgba(0,0,0,0);
}
</style>
<script id="wpcp_css_disable_selection" type="text/javascript">
var e = document.getElementsByTagName('body')[0];
if(e)
{
    e.setAttribute('unselectable',on);
}
</script>

Et l'agence web le place sur tous les sites qu'elle conçoit.
C'est totalement inefficace (car facilement contournable) et je ne vois pas l'intérêt du truc. Ils facturent cette merde combien à leurs clients ?