When comparing WordPress vs Kirby CMS, the Slant community recommends Kirby CMS for most people. In the question“What is the best PHP CMS?” Kirby CMS is ranked 2nd while WordPress is ranked 9th. The most important reason people chose Kirby CMS is:
Installing means uploading some files to your server and that's it.
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.
Pro Kirby is a file‑based CMS
Installing means uploading some files to your server and that's it.
Pro Great Community
Pro Good support
Well documented and friendly community.
Pro Markdown syntax
Write your content with plain Markdown or use Kirbytext.
Pro Custom panel
You can create custom panel (admin section) for every page type with ease.
Pro Very customisable
From very simple pages to highly customised content models, almost anything is possible. Fast prototyping.
Pro Great community
Pro Open source
Pro Not free for commercial
This is good thing. Free CMS always have some hidden pricing model that you eventually pay actually more than this.
Pro Super Flexible
The entire CMS is extremely flexible and very easy to use.
Pro Open for unconvetional/exoerimental solutions
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.
Con Euro 99,– per domain
Kirby CMS costs Euro 99,– (plus VAT) per installation. There is no longer a discount for private websites.
Con Kirby 3 pricing went up
The price went up with Kirby 3 as the CMS grew. It's still worth it but maybe not for small websites. Tip: They sometimes offer social pricing on demand for small structures or students.