Certain web sites, when I open them, open a screen that is less than 1/2 size. They open at about 6 inches wide with full height. I can open them to full size but I would like to know how to make them open at full size. Other web sites automatically open at full size. Is there a fix for this?:)

Unfortunately, this is a function of the web site and you really don't have control over it. See this:

How to resize the browser window to full screen size when it loads in Internet Explorer

U can try holding ctrl and use your mouse wheel. :)

Hold Ctrl and my mousewheel when and why?

Its I think is simple. At the first attempt you manually drag all the corners and re size it to full screen. Now close it. Next time when you open it... you will get full screen.. that's it.