static L<Web> loadWebs(S... ids) {
  Set<S> l_ids = collectUniqueOrdered(splitAtSpace(ids));
  new L<Web> web;
  Map<S, Web> map = indexByField(allWebs(), 'globalID);
  
  Pair<L<Web>, L<S>> p = lookupAllOpt2(l_ids, map);
  if (nempty(p.b)) warn("Webs not found: " + sfu(p.b));
  ret p.a;
}