How can I date online at 16?

Flirtbox is a traditional, easy-to-navigate online dating site for teenagers. The minimum age to register for the site is 16 years old. There is a search option that will show you 16 to 19 year-olds in your area, so this is a good option if you are looking to date locally.

Is it illegal for a 13 to date 16 online?

The question as phrased, the answer is no. It is not legal. If the 16 year old engages in any sexual conduct with the 13 year old, they could face statutory rape charges and the parental consent assuming there was any would have no bearing