Create WordPress Backup Without Plugin

Before making changes or updating WordPress, we must create a Backup for WordPressThe meaning of Backup is saving a duplicate copy of your work. This includes your database, website theme, and related site files. website to prevent any data loss.

do you have any list of best backup plugins?

For a beginner, it is the most secure way to create a backup for your site with a plugin. There are many WordPress backup plugins out there. Not all of them are worth to spend time to try. WPvivid backup plugin is one of the best backup plugins, and it covers many features in free version, such as schedule backups, site migration, and so on.

You can backup your website without using plugin, via FTP/SFTP. And database can be backed up using remote mysql dump, or over ssh tunnel or over PHP script.

I do agree that there are several plugins to do this. But I would minimize use of plugins on my site.
Also, you want to keep your website in a revision control system like git.

Export your database - depending on your database and database management software you can export the database as an sql file or compressed file. You can also do that from command line if you have access. As WordPress is usually mysql or maria db it will look like this:
shell> mysqldump --databases yourdbname > dump.sql

Download all your website files. You can do this by using an FTP application
To restore the site is the opposite:

Upload your website files
Execute your SQL file with your database management software or via command line.
shell> mysql -u username -pPassword123 databasename < dump.sql

You can easily take backup if you are using cpanel:
Login to cpanel >> Backup Wizard >> Here you have to take backup of your complete account.

But if you are not using cpanel then you can take backup with Wordpress plugin.

you can backup your WordPress site with the help of your hosting account by using cPanel.
but its better to automate the process by using a plugin or managed WordPress hosting. Managed hosting comes with automatic/managed backups to keep your data safe. In addition, it comes with automatic updates to save you time to continue your work while your site is automatically updated.
im using a A fully managed service by AEserver for my WordPress site that is a well-known service provider in UAE for its tremendous speed and security. You get 24/7 customer support from our team. It comes with various hosting plans, so you can pick the one that fits your needs. Remember, if you try a specific hosting plan that isn't working for you, you can always switch plans. In the long run, it's easier to make the best decision before you get started.