Use WebP for thumbnails, this reduces the thumbnail size drastically (~ 50%)

config/packages/liip_imagine.yaml

@@ -3,9 +3,12 @@ liip_imagine:
     # valid drivers options include "gd" or "gmagick" or "imagick"
     driver: "gd"
 
+    default_filter_set_settings:
+        format: webp
+
     filter_sets:
         thumbnail_sm:
-            quality: 90
+            quality: 65
             filters:
                 thumbnail:
                     size: [150, 150]
@@ -13,14 +16,14 @@ liip_imagine:
 
 
         thumbnail_md:
-            quality: 90
+            quality: 80
             filters:
                 thumbnail:
                     size: [250, 250]
                     mode: inset
 
         thumbnail_xs:
-            quality: 90
+            quality: 60
             filters:
                 thumbnail:
                     size: [50, 50]