It is necessary if you want the background for your page to be white. Mac browsers do not recognize the automatic background tag. Always set the background tag to white unless using a color or image as noted above. Light background and contrasting text. Pages do not contain solid black backgrounds or dark backgrounds with similar text colors.
Every image has an alt tag with text describing the image.
Navigation system that allows user to go directly to UNI homepage from your page as well as easily navigate throughout all pages in your site. Text is easy to read on the page. If scripts are used, the page will still work if the user disables scripts on their system. Color alone is not used to highlight important or timely information. Only the standard web compatible colors are used.