Many of those ratings (and they're available from lots of sources*) give people the chance to rate places on a 1-3 or 1-5 scale. As a result, they tend to be more a matter of how places match up with people's expectations. You can have a sandwich or breakfast place with a lot of satisfied customers and such ratings may rank it higher than a fine dining place to which people go with higher expectations. This doesn't mean that it's necessarily "better", but rather, reflects rankings that are the direct result of the methodology used. Usually, those who are familiar with places in an area will easily understand why certain places rank high in such surveys.
Fortunately, there are other resources which tend to attract people who really know food, and who provide more substantive information than a simple number. You know, resources like LTH.
*Oh, and just to look at another one of those ratings sites, here are the top ten (out of 55) restaurants in Highland Park, according to
TripAdvisor; their methodology is similar to Yelp's, so the results are similar as well:
1 Michael's Chicago Style Red Hots
2 Real Urban Barbeque
3 Walker Bros. Original Pancake House - Highland Park
4 Abigail's American Bistro
5 Bluegrass
6 Phoenicia Mediterranean
7 Cafe Central
8 Max's Deli & Restaurant
9 Lou Malnati's Pizzeria
10 Norton's Restaurant
Cathy2 wrote:I wonder how these are ranked by Yelp, I will guess by number of reviews?
No, it's not just a ranking by number of reviews, which are shown on both Yelp and TripAdvisor. It's also not just a strict ranking by number of stars, either. And the rankings can change over time; here's how they're ranked on Yelp right now:
1. Bluegrass
2. La Casa de Isaac
3. Abigail's American Bistro
4. Walker Bros Original Pancake House
5. Real Urban Barbecue
6. Piero's Pizza Highland Park
7. Mizrahi Grill
8. Tamales... A Mexican Joint
9. Norton's Restaurant
10. Benjamin Restaurant