actualizar la página en el botón Atrás haga clic en JavaScript
window.addEventListener( "pageshow", function ( event ) {
var historyTraversal = event.persisted || ( typeof window.performance != "undefined" && window.performance.navigation.type === 2 );
if ( historyTraversal ) {
// Handle page restore.
//alert('refresh');
window.location.reload();
}
});
Soumadip Dey