diff --git a/addons/website/models/mixins.py b/addons/website/models/mixins.py
index 5f6f80695c7..ce3ba7a268d 100644
--- a/addons/website/models/mixins.py
+++ b/addons/website/models/mixins.py
@@ -122,6 +122,7 @@ class WebsiteMultiMixin(models.AbstractModel):
         string="Website",
         ondelete="restrict",
         help="Restrict publishing to this website.",
+        index=True,
     )
 
     def can_access_from_current_website(self, website_id=False):
@@ -139,7 +140,7 @@ class WebsitePublishedMixin(models.AbstractModel):
     _description = 'Website Published Mixin'
 
     website_published = fields.Boolean('Visible on current website', related='is_published', readonly=False)
-    is_published = fields.Boolean('Is Published', copy=False, default=lambda self: self._default_is_published())
+    is_published = fields.Boolean('Is Published', copy=False, default=lambda self: self._default_is_published(), index=True)
     can_publish = fields.Boolean('Can Publish', compute='_compute_can_publish')
     website_url = fields.Char('Website URL', compute='_compute_website_url', help='The full URL to access the document through the website.')