Yes it is very good in fact, I have tried it in some situations to search for specific things in local places, for example to look at bus schedules between towns for example and it works, it is brutal.
Discussion
I just used it to find this meme in one shot:
ok, that's my customized version but perp got me the original
Definitely useful xD
the bus timetables here in Madeira are like that, i am probably gonna search using perp for that at some point, mostly i have encompassed the routes i need to know at this point though