WordPress is the most-used CMS on the Web, and chance is that you are already using it for your site, or plan on using it for your blog or static content alongside PrestaShop for the e-commerce part.
PrestaShop is able to handle an unlimited number of static pages and page categories using its CMS feature, but there are situations when a blog might be necessary, or simply more advanced CMS features that PrestaShop or its modules do not provide. This is where a more complex tool such as WordPress might be useful.
E-commerce and CMS: with PrestaShop and WordPress side by side, you get the best of both worlds – as long as you can configure it all correctly.
There are different scenarios that you might want to explore, depending on your needs and preferences:
If you want to keep each separate, the integration is easy: the hardest thing to do will be to have a consistent theme for both applications. You can either adapt each application's default theme in order to have them look as similar as possible, or have a designer/developer build two consistent theme for both. Note that the PrestaShop theme API uses Smarty, while the WordPress theme API uses its own PHP function calls:
In order to get an idea of how a PrestaShop-WordPress theme combo can work, check out the free Velvet Sky theme: http://www.smashingmagazine.com/2011/06/26/free-prestashop-and-wordpress-e-commerce-theme-velvet-sky/ (Note: not compatible with PrestaShop 1.6+).
But you might want to mix both of them. For instance, you might want to display the WordPress content in-between columns full of PrestaShop content (new products, current cart, etc.). Likewise, you might want to have your online store display links to your WordPress content. All this and more can be with a few well chosen WordPress plugins and PrestaShop modules.
Two WordPress plugins can help you:
As an alternative, you can use these WordPress plugins:
On the other side, PrestaShop has WordPress-dedicated modules (but most are for pay):