A landing page is a simple and temporary Web page that allows you to display either a product, an upcoming launch or your future company. In most cases, start-up companies have a landing page advertised while waiting for their real full website.
In most cases, startups are getting a landing page while waiting for their real website. If your budget is not extravagant, but you still want to have a way to be contacted through the Web, a landing page is the way to go. In other cases, some companies want a landing page designed to announce a product to come.
Yes. Search engines will already start assigning content related to your domain name. In most cases, the older a website is, the better it is positioned on search engines.
Usually, the development time will be around 1 to 2 weeks, depending on your content.