docs: public void redirect(final String location) {
      // set the header AND a meta refresh just in case
      response().headers().set("Location", location);
      sendReply(HttpResponseStatus.OK,
        new StringBuilder(
            "<html></head><meta http-equiv=\"refresh\" content=\"0; url="
             + location + "\"></head></html>")
           .toString().getBytes(this.getCharset())
      );
    }