We will concentrate on Sitemap Protocol:
1. Create a document in the root level of your document tree (it does not to sit in the root level but it has to be available from the root level of the site). Use blank document template (an empty one) and do not use Rich Text Editor.
1. Set the content type to text/xml.
2. Set alias to sitemap.xml.
2. In the document content textarea place a snippet call:
[!SiteMap? &format=`sp`!]
3. Save and publish the document.
That’s all! You just published your Google sitemap. Your document should be accessible from the URL http://www.yourdomain.com/sitemap.xml.
Now, take a look at it. It is a pure XML so it may be not easily readable. Try examining the source of the page, it should help. You should notice that it lists all documents from your site, including special pages like 404 error page, login pages, search results and so on.
You definitely don’t want to bother Google crawler with them. You would rather want them to remain hidden. To achieve it you have to take a look at SiteMap parameters.
it means that there is an error with chunk (garbage) on rule 148 at this url --> http://steunpunt.nexethosting.com/index.php?id=11&manprev=z
<div style="text-align: center;"><div style="position:relative; top:0; margin-right:auto;margin-left:auto; z-index:99999"> <!-- www.nexethosting.com --> </div></div>
I suspect your hosting server is inserting this code automatically ?