It is very important to have a staging environment in a WordPress site. A staging environment acts like a live website and it does a lot of things. It will bring more traffic, revenue, prevent downtime and can be used to test the live site. Many hosting services offer the ability to create a staging environment instantly. The most common tools are Flywheel, WPEngine and Pagely. Creating a staging environment is very simple with these tools, and the instructions can be found easily on the internet. After having a staging environment, you can push changes from the staging site to the live site and vice versa. You can do so either manually or automatically using a tool called WP Migrate DB. Another important tip is to keep the local staging site as similar to the real site as possible.
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How To Create A Staging Environment For WordPress Sites