Get SharePoint Migration Assessment Tool (SMAT) Unsupported Web Template SPWeb Details

Get-SMATUnsupportedWebTemplateDetail.ps1

$results = @()

Get-SPSite -Limit All | ? { -not $_.IsReadLocked } | Get-SPWeb -Limit All | ? { -not $_.IsAppWeb } | % {

    if( $_.webTemplate -ne "STS" -and $_.WebTemplate -ne "SPSPERS" )
    {
        $totalItemCount = 0

        # total the item counts in all the visible lists
        $_.Lists | ? { -not $_.Hidden } | % { $totalItemCount += $_.ItemCount }

        $results += [PSCustomObject]@{
            Site                 = $_.Site.Url
            Web                  = $_.Url
            WebTemplate          = $_.WebTemplate
            LastItemModifiedDate = $_.LastItemModifiedDate
            ListItemCounts       = $totalItemCount
        }
    }
    
    $_.Dispose()
}

$results