Inafail na error gani? Fingua hiyo site kwenye Chrome kisha washa developer tools na nenda kwenye console, kisha fanya hiyo request yako.
Kama hii ni javascript request,
Kumbuka kuwa website yako na xml file unayoirequest zinabidi ziwe kwenye domain/server moja otherwise inakuwa ni cross domain script, kitu ambacho kinakuwa blocked na browser for security reasons.