In either case, there are counters available online. Several of these services are free and some are paid. You may already be using a "hit counter" to determine your number of visitors' views. If you do already have one on your page, you better check it out. The same way they track your visitors, a lot of them track YOU too. The famous tracking cookies! The annoying little boogers that weigh your PC down and slow you down to a crawl. Be careful.
Of the 20 I checked on, 11 were okay to use. Here are my results: