Only explicitly pressing "reload" helps.
Is it a bug? I haven't been noticing such problems usually on other sites. --Ivan Z.
+
+This remains to be true now, with Epiphany 2.26.3 (Mozilla/5.0 (X11; U; Linux i686; en; rv:1.9.1.4pre) Gecko/20080528 Epiphany/2.22 Firefox/3.5). --Ivan Z.