Infant and toddler education forum

For this discussion we will compare three websites with information about infancy and toddlerhood. These websites are 3 very different websites with different goals and purposes.

http://www.zerotothree.org 
http://www.before5.org 
http://eclkc.ohs.acf.hhs.gov/hslc/tta-system/ehsnrc/center (Early Head Start National Resource Center)

After browsing the sites, compare and rate them in terms of usefulness to parents and daycare professionals. How user friendly are the sites? What do you find most informative on them? What changes would you make?