Update web analytics with CSP header notice.

admin-manual/maintenance/web-analytics.rst

@@ -48,6 +48,16 @@ These types of tools require access to the log files generated by the web server
 Page tagging tools
 ==================
 
+.. IMPORTANT::
+
+   AtoM 2.8 introduced :ref:`security-csp-headers` which are a critical component
+   of web security. The use of page tagging tools may require a Developer's help
+   to configure with the new CSP headers.
+
+.. SEEALSO::
+
+   * :ref:`security-csp-headers`
+
 The tools found under this section require a system administrator or developer
 to insert a JavaScript code snippet into the relevant page in AtoM where you'd
 like to gather analytic data. The best known open source solutions are probably