<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
</head>
<body>
<script>
var request = new XMLHttpRequest();
request.open('GET', 'https://sedeaplicaciones.minetur.gob.es/ServiciosRESTCarburantes/PreciosCarburantes/Listados/ProductosPetroliferos/', false);
request.send(null);
document.write(request.responseText.length);
</script>
</body>
</html>