Most kids like to play Runescape. http://www.runescape.com You can also play on Miniclip(www.miniclip.com), Addictinggames (www.addictinggames.com), or Line Rider( www.linerider.eu). These are the ones for boys anyway. The only popular websites for girls are, Build-a-Bear (www.buildabearville.com), Barbie (barbie.everythinggirl.com), and Girls Go Games (www.girlsgogames.com). These are the only websites I know people play on. There are others but those are not as successful as these. *If you want to Ptp(Pay to Play) then you can get World of Warcraft or Webkins. **World of Warcraft has a free trial at www.worldofwarcraft.com
Websites that are good for 12 year olds include PBS Kids and the Disney Channel. You can look at some other shows that are rated G.
a good website about horses for a 8n year-old would be horseland.com i get on ALOT and i am 10 years-olds. i even know some 15-16 year-olds who get on horseland. it is for boys and girls.
website kittens
diago puppy cat dora
boohoo.com
Wee worldFantageStardollHabboGaiaFacebookYoutubeMy Space
some interative websites are clubpenguin.com woogiworld.com, webkinz.com poptropica.com,
Go towww.andkon.com and they have some good free strategy games
fantage.com ,clubpenguin.com,
Here are suggestions from various WikiAnswers users. We cannot guarantee these sites, of course.fantageneopetsdtardollbarbiegirlsbuildABearhomomonkeyrabbits.websinthefablane - is for tween girls where you can take quizzes, play gamesgirlsenseclubpenguinmillsberryicarlyboombangchattownimvuhorselandgirlsgogamesgirlsgamesnowsupersecretsophia222.spruzpreteenchatteenchatadoptmedisneychannelbeaconstreetgirlsyoutubenicktaylorswiftkidschatimhahawhovillearcadeaddictinggamesgaiaonlineIMVUroblox
There many websites for teenagers dating. Probably the most famous one is Tagged.
There are several websites that provide online and downloadable versions of checkers. Websites such as Thinks, Maniacworld, Pogo, and FlyOrDie are all good websites for playing checkers.