Well, you can do a couple of things. Or, click on View on the browser bar and go down to Page Info. It will tell you when the page was last updated. You are looking for information about how to get birth certificates in your state. Go to your state's page, but then find out when it was last updated.
Some web sites use frames, and mis-use frames.
You click to something in their site and it opens up a page in the frame. You don't know if the page came from the web site you are on or if it took you to another web site, but kept you in their web frame. You can open up the frame in a new window. It will spawn a new browser window with the site from the frame in it. Then you can navigate in that web site.