anchor.diff:  
           final data = {
             'since boot': _stopwatch.elapsed.toString(),
  -          'redirects': _redirects,
  -          'notFounds': _notFound,
  -          'info': _infoRequests,
  -          'robot.txt': _robotTxt,
  +          'counts': {
  +            'redirects': _redirects,
  +            'notFounds': _notFound,
  +            'info': _infoRequests,
  +            'robot.txt': _robotTxt,
  +          },
             'Dart version': Platform.version,
             'request headers': SplayTreeMap.of(request.headers),
  +          'Environment': Platform.environment,
  +          'agents': _agents,
           };
   
           return Response.ok(
  
positive.code: }
  
  Response _handler(Request request) {
    _stopwatch.start();
  
    if (request.requestedUri.pathSegments.length == 1) {
      switch (request.requestedUri.pathSegments.single) {
  
negative.code: int _notFound = 0;
  int _robotTxt = 0;
  final _stopwatch = Stopwatch();
  final _agents = <String, int>{};
  
  Handler get handler {
    _stopwatch.start();
  