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Why Every Store Needs a Recommender System?

Published 9 June, 2023
– Last updated 9 June, 2023

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In today’s data-driven world, businesses are relying increasingly on the use of recommender systems to provide their customers with personalized recommendations. Recommender systems have become an essential tool for businesses across various industries, from e-commerce to media and entertainment. These systems provide a key advantage in customer engagement, improving both customer experience and sales. Every store needs a recommender system to take advantage of this.

Why Every Store Needs a Recommender System?

The main reason every store needs a recommender system is that it can help increase sales and customer engagement. By providing personalized recommendations based on a customer’s purchase history, browsing history, and preferences, a recommender system can help to increase the likelihood of customers finding and purchasing products they will love. This, in turn, can lead to increased customer loyalty and retention.

Moreover, a recommender system can also help in upselling and cross-selling. For example, if a customer is viewing a product, the recommender system can suggest complementary products. This can lead to an increase in the average order value and repeat purchases.

Aside from enhancing customer experience and driving sales, a recommender system can also collect valuable data that can help businesses identify new trends and insights into customer behavior. This can help businesses tailor their product offerings and marketing strategies to better meet the needs and preferences of their customers.

PHP Implementation of a Recommender System

To illustrate how a recommender system can be implemented, let’s consider a simple PHP-based example. In this scenario, a customer’s purchase history is used to generate personalized recommendations.

// Connect to the database
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);

// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);

// Get current user ID
$user_id = 1;

// Get user's purchase history
$sql = "SELECT product_id FROM purchases WHERE user_id = " . $user_id;
$result = $conn->query($sql);

// Build list of related products
$related_products = array();
if ($result->num_rows > 0) {
    while($row = $result->fetch_assoc()) {
        $product_id = $row["product_id"];

        // Get related products for this product
        $sql = "SELECT product_id FROM related_products WHERE parent_id = " . $product_id;
        $result2 = $conn->query($sql);

        // Add related products to list
        if ($result2->num_rows > 0) {
            while($row2 = $result2->fetch_assoc()) {
                $related_products[] = $row2["product_id"];

// Get recommended products
$sql = "SELECT * FROM products WHERE product_id IN(" . implode(",", $related_products) . ")";
$result = $conn->query($sql);

// Display recommended products
if ($result->num_rows > 0) {
    while($row = $result->fetch_assoc()) {
        echo "Product Name: " . $row["name"];
        echo "Price: $" . $row["price"];
} else {
echo "No recommended products found.";

// Close connection

How WPSOLR Can Help?

WPSOLR is a search plugin for WordPress that can help you implement a recommender system on your online store. The plugin offers a range of features that can help you create a more personalized user experience. For example, it can automatically generate related content, including images, videos, and product recommendations, based on a user’s search history.

With WPSOLR, you can also customize search results based on a user’s location, device, and other preferences. You can also implement faceted search, which allows users to filter and refine their search results, making it easier for them to find what they’re looking for. Additionally, the plugin offers advanced analytics tools that can help you track your customers’ behavior and optimize your search results accordingly.


In today’s rapidly changing business environment, personalized marketing has become the key to success. A recommender system can help businesses to offer personalized recommendations which will lead to increased customer engagement, sales, and loyalty. Businesses have a great opportunity to use WPSOLR to tap into their customer data and create high-performing recommendation systems.

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