Total number of Sublayouts in your Sitecore instance along with referrer pages and caching parameters

RenderingsReport.ps1

<#
    Total number of Sublayouts in your Sitecore instance along with referrer pages and caching parameters
#>

$selectedItem = Get-Item -Path "master:\layout"
$result = Read-Variable -Parameters `
    @{ Name = "selectedItem"; Title = "Please select the path to query"; Root="/sitecore/layout/"} -Width 500 -Height 280 -OkButtonName "Proceed" -CancelButtonName "Abort" 

if($result -ne "ok") {
    Close-Window
    Exit
}

$sublayoutPath = $selectedItem.Paths.Path

$querySublayouts = "fast:$($layoutPath)//*[@@templatename='Sublayout' or @@templatename='Controller rendering' or @@templatename='Item rendering' or @@templatename='Method rendering' or @@templatename='Rendering' or @@templatename='Url rendering' or @@templatename='View rendering' or @@templatename='Webcontrol' or @@templatename='Xsl rendering']";
$sublayouts = Get-Item -Path "master:\" -Query $querySublayouts

function Get-RenderingPageCount {
    param(
        [string]$Id
    )
    
    $query = "fast://*[@__Renderings='%$($Id)%']"
    $count = Get-Item -Path "master:\" -Query $query | Measure-Object | Select-Object -ExpandProperty Count
    if(!$count) {
        $count = 0
    }
    $count
}

function Get-CachingValue {
    param(
        [Sitecore.Data.Items.Item]$Item
    )
    
    $values = @()
    if($Item.Cacheable) {
        $values += "Cacheable"
    }
    if($Item.ClearOnIndexUpdate) {
        $values += "ClearOnIndexUpdate"
    }
    if($Item.VaryByData) {
        $values += "VaryByData"
    }
    if($Item.VaryByDevice) {
         $values += "VaryByDevice"
    }
    if($Item.VaryByLogin) {
         $values += "VaryByLogin"
    }
    if($Item.VaryByParm) {
         $values += "VaryByParm"
    }
    if($Item.VaryByQueryString) {
         $values += "VaryByQueryString"
    }
    if($Item.VaryByUser) {
         $values += "VaryByUser"
    }
    
    $values -join "<br/>"
}

foreach($sublayout in $sublayouts) {
    Add-Member -InputObject $sublayout -MemberType NoteProperty -Name "File Path" -Value $sublayout.Path
    Add-Member -InputObject $sublayout -MemberType NoteProperty -Name "Pages Created" -Value (Get-RenderingPageCount -Id $sublayout.ID)
    Add-Member -InputObject $sublayout -MemberType NoteProperty -Name "Caching" -Value (Get-CachingValue -Item $sublayout)
}

$sublayouts | Show-ListView -Property Name, Path, "File Path", "Pages Created", "Caching"

#$sublayouts | Show-ListView