pest or food(http://petsorfood.com/) who published this? are there external sources that indicate that the content publisher is an authority? what gives the author of this site the authority to claim expertise? when was the site last updated? is it relevant and timely information? where can I find out more? are there links to relevant resources? is this a valid website that provides legitimate information that you can trust? why

need the website to evaluate information authenticatiy for the website provided