This is a very easy to use website full of useful information as well as expected developmental milestones in four areas: physical, social/emotional, thinking (cognitive) and communication.
This website provides domain-based developmental milestones. Basic questions regarding childhood development are answered briefly, while links to different age ranges and their corresponding milestones can be found about halfway down the page.
Provides a timeline for developmental of skills in children birth to 5 years of age with references for further information. Also provides research spotlights with information coupled with some 60-second video spots on key parenting issues and related topics. Highly recommended.
In spite of its name, this site provides comprehensive general developmental milestones for children birth to 5 years of age, plus warning signs for each age group. Also offers interactive tools for users to specify certain ages and/or select an area of development and examine expected changes in milestones over time.