Are there any drawbacks to using localStorage instead of Cookies?

Question

On my previous websites, I used to use a cookie to display a pre-home page only on the first visit. That worked great (see for example here), but using cookies is not so tre

Answer 1

It doesn't look easy for the server to read the localStorage. That may come in handy though, knowing your data is all client-side, making it safe from sniffing.

Cookies can't be written over, only added to and read:

alert(document.cookie);
document.cookie = "nope";
alert(document.cookie);