Also
- premium.wpmudev.org/blog/remove-proudly-powered-by-wordpress-footer-link/
- premium.wpmudev.org/blog/five-hacks-twenty-seventeen/
- allaboutbasic.com/2016/12/22/twenty-seventeen-theme-modifications-of-header-footer-sidebar-contents-and-documentations/
- https://www.abrightclearweb.com/wordpress-twenty-seventeen-robust-business-theme/
- http://2017.wordpress.net/
- https://www.wpexplorer.com/essential-plugins-twenty-seventeen/
- https://wordpress.org/plugins/ml-slider/
- https://smartslider3.helpscoutdocs.com/article/1510-add-smart-slider-3-to-twenty-seventeen-theme