I use the GL.inet Shadow and have been happy with it. If you want 5Ghz and don’t mind that it’s a little larger (still small), I’d consider the Slate. It supports the latest version of OpenWRT. https://openwrt.org/toh/gl.inet/gl-ar750s
They include a custom GUI on top of OpenWRT, which I like. But LuCI is still there.
This is also what I suggest. I moved from WordPress to Grav. It’s good, but a lot of work to customize.
Here’s a very useful resource of code snippets to make your website attractive and functional, without aCMS. https://www.w3schools.com/howto/default.asp