Plugins - To Consider

https://wordpress.org/plugins/username-updater/

Good to do initial update and then delete.

• Make sure to use display name and not username as usernames are based on email and look ugly.

https://wordpress.org/plugins/wp-user-avatar/

Allow users to upload their own avatar image

https://wordpress.org/plugins/404-solution

Create a custom 404 and use this shortcode for suggestions - [abj404_solution_page_suggestions]

• Highly configurable – redirect specific 404 URLs to any existing page.
• Automatically create redirects based on the URL the visitor was most likely trying to visit.

https://wordpress.org/plugins/swift-performance-lite/

Don't need lite version if you are installing pro.

- One click autoconfig is pretty good defaults.

IMPORTNT:

Make sure to exclude page builder created post types.

Settings > Caching > Exceptions> Exclude Post Types

Alternative:

This is a good simple set it and forget it plugin for caching.

https://wordpress.org/plugins/breeze/

https://codecanyon.net/item/easy-social-share-buttons-for-wordpress/6394476

Lightweight, mobile friendly and fully customizable.

https://activegrowth.com/social-sharing-plugins/

https://wordpress.org/plugins/nav-menu-roles/

Simple plugin to manage custom page access.

https://wordpress.org/plugins/easy-wp-smtp/

Configuration with Reseller club Business Email

If using Cloudflare DNS - Make sure proxy for SMTP CNAME is not enabled on Cloudflare.

User: actual email (no alias or forwarding emails)
Encryption: none
Port: 25
Encryption: STARTTLS
Port: 587

Actually the Post SMTP is more feature rich and will do a scan to help you with setup and has built in log system.

https://wordpress.org/plugins/post-smtp/

Good for failed delivery attempts, even if password changes, Sendgrid.

The Post SMTP is more feature rich and will do a scan to help you with setup and has built in log system.

Configuration with Reseller club Business Email

If using Cloudflare DNS - Make sure proxy for SMTP CNAME is not enabled on Cloudflare.

User: actual email (no alias or forwarding emails)
Encryption: none
Port: 25
Encryption: STARTTLS
Port: 587