Salesforce Marketing Cloud

🎉 SFMC Interview Question You Must Know

Dynamic Landing Pages Using SSJS

If you are preparing for a Salesforce Marketing Cloud interview, this is a very common and practical question.

🌀 Interview Scenario

The interviewer asks:

❝

You need to create a dynamic landing page that shows personalized content based on subscriber information.
How would you do this using SSJS in Salesforce Marketing Cloud?

✅ Simple Answer

First, we capture the SubscriberKey from the URL.

Then:

  • We connect to a Data Extension.

  • We retrieve subscriber data using SubscriberKey.

  • If the subscriber exists, we show personalized content.

  • If not, we show an error message.

Here is the SSJS example:

<script runat="server">
Platform.Load("Core", "1");

var subscriberKey = Request.GetQueryStringParameter("SubscriberKey");

if (subscriberKey) {

 var de = DataExtension.Init("Subscribers");

 var rows = de.Rows.Retrieve({
   Property: "SubscriberKey",
   SimpleOperator: "equals",
   Value: subscriberKey
 });

 if (rows.length > 0) {
   var subscriber = rows[0];
   Write("<h1>Welcome, " + subscriber.FirstName + "!</h1>");
   Write("<p>Your email: " + subscriber.EmailAddress + "</p>");
 } else {
   Write("<p>Subscriber not found.</p>");
 }

} else {
 Write("<p>Invalid request.</p>");
}
</script>

💡 Why Interviewers Like This Question

Because it tests:

  • Your SSJS knowledge

  • Your understanding of Data Extensions

  • Your ability to build personalized experiences

  • Your problem-solving skills

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Until next week,
Gourav
Founder - TheSalersforceGuy