diff --git a/app/models/access_log.rb b/app/models/access_log.rb
index 0dceb7d7..3a066b33 100644
--- a/app/models/access_log.rb
+++ b/app/models/access_log.rb
@@ -6,4 +6,7 @@ class AccessLog < ApplicationRecord
   #
   # @see {https://en.wikipedia.org/wiki/List_of_HTTP_status_codes}
   scope :completed_requests, -> { where(request_method: 'GET', request_completion: 'OK', status: [200, 304]) }
+  scope :non_robots, -> { where(crawler: false) }
+  scope :robots, -> { where(crawler: true) }
+  scope :pages, -> { where(sent_http_content_type: ['text/html', 'text/html; charset=utf-8', 'text/html; charset=UTF-8']) }
 end