Enter weight to be converted at top of calculator. Select the radio button to convert into kilograms or pounds . Press the convert button. The result will appear at the bottom of the calculator. lbs / 2.2 = kilograms.
The root directory of your website is the content that loads when visitors access your domain name in a Web browser. The most obvious consequence of this is that you need to put your index file in your website's root directory for visitors to see your site at all (more info).
Using the website name as an H1. The fact that the heading structure acts as a contents list of a page is a bit of a clue here. A page needs to be as logical and navigable as possible in order for the end user to access information and comfortably find what they want.