Smart publish.aspx

<%@ Page Language="C#" AutoEventWireup="true" %>

<script runat="server">
// https://patrickdelancy.com/2015/01/compare-contrast-ways-programmatically-publish-sitecore-items/

protected string Result;

protected void Page_Load(object sender, System.EventArgs e)
{
	Result = "";

	// Set up the publish mode
	var publishMode = Sitecore.Publishing.PublishMode.Smart;

	using (new Sitecore.SecurityModel.SecurityDisabler())
	{
		// Source db
		var sourceDatabase = Sitecore.Configuration.Factory.GetDatabase("master");

		// Target database
		var targetDatabase = Sitecore.Configuration.Factory.GetDatabase("web");

		try
		{
			foreach (var language in sourceDatabase.Languages)
			{
				// Loops on the languages and do a full republish on the whole sitecore content tree
				var options = new Sitecore.Publishing.PublishOptions(sourceDatabase, targetDatabase, publishMode, language, System.DateTime.Now) { RootItem = sourceDatabase.Items["/sitecore/Content/Sample tenant"], RepublishAll = true, Deep = true, PublishRelatedItems = true };
				var publisher = new Sitecore.Publishing.Publisher(options);
				var result = publisher.PublishWithResult();

				Result += "Publish to Web in " + language.Name + ". Created: " + result.Statistics.Created + "<br><br>";
			}

			Result += "Publish to Web has completed";
		}
		catch (System.Exception ex)
		{
			Result += "Could not publish the master database to the web" + ex.Message + ": " + ex.StackTrace;
		}
	}
}
</script>

<%= Result %>