When comparing concrete5 vs WordPress, the Slant community recommends concrete5 for most people. In the question“What is the best PHP CMS?” concrete5 is ranked 7th while WordPress is ranked 9th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Complete control if needed
If you set up WP on your own server, you can change every single aspect of it as you see fit.
Pro Widely used
According to some statistics, WP powers a fifth of the Internet. It means there are resources for everything. Community support, tutorials, extensions and a plethora of customization options.
Pro Self-host & WP-host options
For free WordPress can be hosted by yourself on your own server, or as a subdomain of wordpress.com. You can also pay to use a custom domain with WP hosting.
Pro Open source
Anyone can view the code of WordPress since it's under a libre/open source license.
Pro RSS feeds for everything
Including tags and categories.
Pro Post-level privacy controls
Each post can have a different access level.
Cons
Con A bit of bloat and complexity
WP has grown past being just a blogging platform and as such it's not as lightweight as it used to be. It also considerably more complex due to many more customization options compared to other solutions.
Con Dated
The code is a mess, uses dated conventions, and relies on dated technology.