diff --git a/src/module-elasticsuite-catalog/Model/ResourceModel/Product/Fulltext/Collection.php b/src/module-elasticsuite-catalog/Model/ResourceModel/Product/Fulltext/Collection.php
index 76a4c2fc3..25bf10225 100644
--- a/src/module-elasticsuite-catalog/Model/ResourceModel/Product/Fulltext/Collection.php
+++ b/src/module-elasticsuite-catalog/Model/ResourceModel/Product/Fulltext/Collection.php
@@ -94,6 +94,15 @@ class Collection extends \Magento\Catalog\Model\ResourceModel\Product\Collection
      */
     private $originalPageSize = false;
 
+    /**
+     * @var array
+     */
+    private $countByAttributeSet;
+    /**
+     * @var array
+     */
+    private $countByAttributeCode;
+
     /**
      * Constructor.
      *
@@ -182,7 +191,7 @@ public function __construct(
     public function getSize()
     {
         if ($this->_totalRecords === null) {
-            $this->load();
+            $this->loadProductCounts();
         }
 
         return $this->_totalRecords;
@@ -463,6 +472,54 @@ protected function _afterLoad()
         return parent::_afterLoad();
     }
 
+    /**
+     * Load product count :
+     *  - collection size
+     *  - number of products by attribute set (legacy)
+     *  - number of products by attribute code
+     *
+     * @return void
+     */
+    private function loadProductCounts(): void
+    {
+        $storeId     = $this->getStoreId();
+        $requestName = $this->searchRequestName;
+        $facets = [
+            ['name' => 'attribute_set_id', 'type' => BucketInterface::TYPE_TERM, 'size' => 0],
+            ['name' => 'indexed_attributes', 'type' => BucketInterface::TYPE_TERM, 'size' => 0],
+        ];
+        $searchRequest = $this->requestBuilder->create(
+            $storeId,
+            $requestName,
+            0,
+            0,
+            $this->query,
+            [],
+            $this->filters,
+            $this->queryFilters,
+            $facets
+        );
+        $searchResponse = $this->searchEngine->search($searchRequest);
+        $this->_totalRecords        = $searchResponse->count();
+        $this->countByAttributeSet  = [];
+        $this->countByAttributeCode = [];
+        $this->isSpellchecked       = $searchRequest->isSpellchecked();
+        $attributeSetIdBucket = $searchResponse->getAggregations()->getBucket('attribute_set_id');
+        $attributeCodeBucket  = $searchResponse->getAggregations()->getBucket('indexed_attributes');
+        if ($attributeSetIdBucket) {
+            foreach ($attributeSetIdBucket->getValues() as $value) {
+                $metrics = $value->getMetrics();
+                $this->countByAttributeSet[$value->getValue()] = $metrics['count'];
+            }
+        }
+        if ($attributeCodeBucket) {
+            foreach ($attributeCodeBucket->getValues() as $value) {
+                $metrics = $value->getMetrics();
+                $this->countByAttributeCode[$value->getValue()] = $metrics['count'];
+            }
+        }
+    }
+
     /**
      * Prepare the search request before it will be executed.
      *