Following are some domain specific (popular) sites for reference.
Auction sites (e.g., eBay)
Automotive Information (e.g., Kelley Blue Book, AutoTrader)
Business/Finance (e.g., Yahoo! Finance, Forbes.com)
Career (e.g., Monster.com, Career Builder)
Community (e.g., MySpace, Facebook, YouTube.com)
Directories and Resources (e.g., Mapquest, Superpages)
Entertainment – Humor (e.g., Comedy Central, College Humor)
Entertainment – Movies (e.g., IMDb, Yahoo! Movies, Moviefone)
Entertainment – Music (e.g., Yahoo! Music, MTV)
Entertainment – News (e.g., TMZ, People, OMG)
Food (e.g., FoodNetwork, AllRecipes)
Gaming – Information (e.g., IGN, Gamespot)
General News (e.g., MSNBC, CNN)
Government (any “.gov” site such as NIH.gov)
Health (e.g., WebMD, MSN Health)
Home (e.g., BHG.com, Realtor.com)
Local Newspaper or TV (e.g., LATimes.com, Boston.com)
Online Games (e.g., Yahoo! Games, MSN Games)
Personals (e.g., Yahoo! Personals, Match.com)
Portal sites (e.g., AOL, MSN, Yahoo!)
Search Engine (e.g., Google, Yahoo! Search)
Sports (e.g., ESPN, SportsLine)
Technology (e.g., CNET, Wired, Gizmodo)
Travel Booking (e.g., Expedia, Orbitz)
Travel Information (e.g., Yahoo! Travel, Travelzoo)
Weather (e.g., Weather.com, Weatherbug)
Women’s Lifestyle (e.g., Glam, iVillage)
