By azaraks
Making a sub-domain site and changing its domain seems perfectly ok. But most of tutorials use WordPress MU Domain Mapping. Why are they using it?
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This question was answered by @ryanpq:
While there are some use cases specific to using MU like providing blogs to others within a platform MU also allows you to keep a single codebase updated and to manage one central repository of themes and plugins rather than doing so individually across many sites.
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