Board Thread:Support Requests - Getting Technical/@comment-2020154-20150712175059/@comment-4632631-20150714102605

Gojirob wrote: How would I check that? If the page is not move-protected, you can click "Move" under the dropdown menu near the Edit button. Then, look if the "New title:" part has "(Main)" as the namespace. If it is, then it is in the main namespace, else, it is in an another namespace.

Or, just like RansomTime just messaged above, you can check if the title starts with the name of a namespace.

Some namespaces are: Template, File, User, User talk, Talk, Template talk, MediaWiki, Top 10 list, etc.