WordPress is the worlds most popular CMS (Content Management System). Due to its open-source nature, WordPress has extensive knowledge and a Forum where users help each other solve issues or develop certain features.
Here's a list of useful resources and FAQ's from WordPress' official codex:
- First Steps with WordPress - https://wordpress.org/support/article/first-steps-with-wordpress/
- Using Themes - https://wordpress.org/support/article/using-themes/
- Site Design and Layout - https://codex.wordpress.org/Blog_Design_and_Layout
- WordPress Semantics - https://wordpress.org/support/article/wordpress-semantics/
- Moving WordPress/Changing WordPress Domain - https://developer.wordpress.org/advanced-administration/upgrade/migrating/
- FAQ - https://codex.wordpress.org/FAQ
