Pre-HTML5 we used div and ul tags to markup navigation bars and a lot of times the navigation is at the top of the HTML document. In the absence of meta description content, Google uses its own logic ...
we recently updated a customer website which included a change in server and some 301's to send old pages to new ones. The website as long as we know has always been setup without the www. subdomain ...
I have been doing SEO for a website of my client. I have added the meta description of all pages with All-in-One SEO plug-in about a month ago. However, the meta descriptions of some of the pages are ...