Is SEO Affected by the Page Depth in Your URL Structure?
Author:
Ash
Search Engine Optimisation, SEO
It’s widely thought in the world of SEO that the deeper the page into a sites structure the less importance it’s given by Google but that isn’t necessarily true.
Firstly, I’d be a little reluctant to move pages deep in the site to a more accessible location without good cause. Obviously if something works it works and there is rarely much point in trying to fix something that isn’t broken.
Not only that, but from what we’ve seen recently with 301 redirects not passing over the full authority I’d be even more wary about pulling off such a tactical SEO manoeuvre for potentially little gain – or no gain, as SEOMoz has kindly highlighted.
They suggest that:
“… people often think that URL structure signals site structure. Just because your URL is 3 levels deep doesn’t mean the crawlers will treat the page as being 3 levels deep.”
So it looks like it comes a lot down to how your site is linked internally too – both in your main navigation and links within your content.
For example, let’s look at two different but feasible URLs for an online shop. One page is several levels deep while the other sits in the root:
http://www.shop.com/paper/post-its/yellow /square.html and
http://www.shop.com/paper-post-its-yellow-square.html
Just because you’ve created a page in the root for page it doesn’t give it any more authority in the eyes of the search engines. You could have all of your pages sitting in the root thinking you’ve created a flat site architecture but you haven’t.
It all boils down to the way the page is linked to that creates the site’s architecture. A page that is linked to 3 clicks away from the home page but sits in the root is considered to be 3 levels deep and is given a lower authority, whereas a page 3 levels deep in terms of URL architecture but is linked to on the home page is considered to be only 1 level deep and is given more authority.
Google still has to crawl your site by following links and if a page that is important to you isn’t immediately accessible within a link or two it will be devalued, in the same way that having a page that isn’t easy to find for your visitors suggests that you don’t really find it relevant to actively ‘push’ people to seeing.
In short – a prominent page is an important page. Whether it’s for visitors or search engines, it’s important.
There are, of course, other arguments when it comes to using long URLs as opposed to those in the root, some of which can be seen over at SEOmoz.

