CSOM PowerShell function to check if the a SharePoint Online site exits? It accepts credential and Url and return true or false.

$siteUrl = 'https://spo.sharepoint.com/sites/teamsite'

$credential = Get-Credential;

function CheckSiteExists($credential,$siteUrl){

 Add-Type -Path "C:\Program Files\SharePoint Online Management Shell\Microsoft.Online.SharePoint.PowerShell\Microsoft.SharePoint.Client.dll" 

 Add-Type -Path "C:\Program Files\SharePoint Online Management Shell\Microsoft.Online.SharePoint.PowerShell\Microsoft.SharePoint.Client.Runtime.dll" 

     $ctx = New-Object Microsoft.SharePoint.Client.ClientContext($siteUrl)

     $Creds = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($credential.UserName,$credential.Password);

     [System.Net.WebRequest]::DefaultWebProxy.Credentials = $Creds # needed for default gateway.

     $ctx.Credentials = $Creds;

     $web = $ctx.Web

      $ctx.Load($web)

      try{

            $ctx.ExecuteQuery()         

            return $true

         }

         catch{           

            return $false

        

         }  

        

}

#Calling the function: CheckSiteExits  $credentials $siteUrl