message: change analytics to set custom url rather than custom title
  this way exit/entry/page transition will work better
diff: @@ -34,7 +34,8 @@ class Analytics {
  async trackPageChange() {
  if (!this.tracker) return;
  - this.tracker.trackPageView(redact(window.location.hash));
  + this.tracker.setCustomUrl(redact(window.location.href));
  + this.tracker.trackPageView();
  }
  async trackEvent(category, action, name) {
  