what is the web site to learn dancing for free?

Answer 1

Here is a list of dances and websites:

Ballroom
http://www.ballroomdancers.com/

Bellydance
http://www.middleeasterndance.net/
http://www.shira.net/

Tap
http://www.unitedtaps.com/

Krumping
http://www.krumpkings.com/

Jazz
http://festival.brotherswing.com/en/home.html
http://www.columbiacityjazz.com/
http://www.offjazz.com/index1a.html

Popping (a.k.a. hitting)
http://www.mrwiggles.biz/
http://www.dancemaster.com/
http://www.electricboogaloos.com/index1.htm
http://www.youtube.com/watch?v=FK0uMwOxOhc

Breakdance
http://www.bboyzone.com/
http://breakdancecrew.com/movelist.php

Irish
http://www.irishdancinginsydney.com/
http://www.geocities.com/aer_mcr/irdance/
http://www.irishdancingcanada.com/

Hula
http://www.hulafestival.de/english/hula.htm
http://www.huapala.org/

Clogging
http://www.clogon.com/
http://www.cloggingmoves.com/

Hip Hop
http://www.hiphop-dance-videos.com/dance-move-clips.html
http://www.kabamodern.com/media.htm
http://www.pacmodern.com/videos.html
http://barkadamodern.com/videos.html
http://www.urbanfxlive.com/home.html

Contemporary/Modern
http://www.alvinailey.org/
http://marthagraham.org/center/
http://www.cdt-dance.org/
http://www.isadoraduncan.org/
http://www.dcdc.org/
http://www.cdfw.org/

Answer 2

There are a few, but I like this one the best:
http://www.learntodance.com/online-dance-lessons.htm

It's also pretty easy to go with and understand. Browsing about a bit will help you find different dance styles and genres.

Hope this helped!