Is WordPress better for SEO?
The answer is yes! Once known primarily as a blogging platform, WordPress has built a reputation for providing a solid SEO foundation as a CMS—and with good reason. It’s not a coincidence that WordPress sites tend to rank well on Google. … But it’s SEO friendly for a variety of other reasons as well.

Reference:
Is WordPress Good for SEO? | SEO and WordPress | Optimizing …
Jun 26, 2013