Iframe is when you click on a link and it appears in a little box on the same site. all the other linkes can also open in the same textbox if you want. Iframe is what I'm using on this website and I think it looks really cool and professional.
Step 1: Copy the code under and paste it on the page you want to have your iframe.
Step 2: Where it says URL1, paste the url-adress to the site you want to be in the Iframe-box when you enter the site.
Step 3: Then you can change the size and how the Iframe-box is going to look.
Step 4: To open your pages in the iframe you have to use the code under for your links. Where it says URL you have to paste the URL og the page you want to be opened in the iframe and where it says PAGENAME you have to type in the name of the page.