Why are pages slow in the local preview (publish dev)?

This is because Dendron has to build the pages trying to view when you click on them. Once published, the pages are built ahead of time so there won't be any delay.

How do I add a logo to my website?

You should add the logo image under the assets folder, inside a vault you are publishing. Alternatively, you can also put the image on an external image host like imgur. Then, set the logo configuration to use that logo.

How do customize the style/theme of my website?

Dendron supports custom themes for publishing, which you can use to add your own colors and customize the look.

If you need something more advanced like adding new fonts or custom scripts, you can use the customHeaderPath configuration to add them to the page header.