Some unnecessary stats:

With 1 check:
```
Transferred:             0 / 0 Bytes, -, 0 Bytes/s, ETA -
Checks:               179 / 179, 100%
Elapsed time:      6m21.9s

real    6m43.131s
user    1m32.215s
sys     0m28.544s
```
With 20 checks:
```
Transferred:             0 / 0 Bytes, -, 0 Bytes/s, ETA -
Checks:               179 / 179, 100%
Elapsed time:      3m59.4s

real    4m8.687s
user    1m31.981s
sys     0m27.390s
```