gistfile1.txt

Write-Host('Enabling Dynamic Compression in IIS')
Import-Module ServerManager
Add-WindowsFeature Web-Dyn-Compression

Write-Host("Adding dynamic compression types")
$compressions= @(
  @{name ='dynamictypes'; mimeType='application/json'; enabled='True'}
  #Add more here in an array declaration of its own
)

foreach ($compression in $compressions){
    Add-Webconfiguration -Filter 'system.webServer/httpCompression/dynamictypes' -Value $compression
}