What is Hello Dolly?
Hello Dolly is a plugin that normally comes pre-installed with WordPress. The plugin displays lines from the “Hello Dolly” song by Louis Armstrong inside the WordPress dashboard.
More About Hello Dolly
Hello Dolly has been a mainstay in WordPress since version 1.2. That’s the version of WordPress that introduced plugins, which are one of the main reasons why the CMS has grown to its massive level of popularity.
Hello Dolly was created by Matt Mullenweg, one of the founders and developers behind WordPress. Although the Hello Dolly plugin serves no practical purpose, it pays homage to the history behind WordPress and its creators.
You can delete Hello Dolly from your website – it won’t have any effect on your content. In fact, a lot of WordPress web hosts don’t include the plugin by default as there’s no practical need for it.