...the full and equal enjoyment of the goods, services, facilities, or accommodations of any place of "public accommodation" by any person who owns, leases, or operates a place of public accommodation. Public accommodations include most places of lodging (such as inns and hotels), recreation, transportation, education, and dining, along with stores, care providers, and places of public displays.
On the legal side, ambiguity in the law and the speed at which technology and dependence on the Internet has developed created an opportunity for litigation all over our nation. As these cases have moved through our system, the courts have been nearly split -- with the 1st, 3rd and 7th Circuits ruling that the ADA does apply to websites, while the 6th, 9th and 11th Circuits have ruled that it does not. These latter rulings have all been based on the interpretation that the ADA is focused on physical location and requires a nexus test. Other circuit courts in the United States have yet to rule on the topic.