▸ nanoc3 co -V
Compiling site...
      update  [0.01s]  output/aaa/index.html
      update  [0.00s]  output/index.html
        skip  [0.00s]  output/bbb/index.html
        skip  [0.00s]  output/ccc/index.html
        skip  [0.00s]  output/ddd/index.html
        skip  [0.00s]  output/eee/index.html

Site compiled in 0.02s.

     0  created
     2  modified
     4  skipped
     0  not written
     0  identical

Warning: profiling information may not be accurate because some items were not compiled.

    | count    min    avg    max     tot
----+-----------------------------------
erb |     4  0.00s  0.00s  0.00s   0.01s