> ## Documentation Index
> Fetch the complete documentation index at: https://moengage-analytics-query-api-docs.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Why Is Web Personalization in a Loading State?

> Fix web personalization loading issues in MoEngage caused by Content Security Policy restrictions. Learn which URLs need to be whitelisted first.

## Problem

There is an issue with the web personalization functionality. The web personalization editor fails to load, and numerous errors are observed in the console. The loading process stops responding.

<img src="https://mintcdn.com/moengage-analytics-query-api-docs/K1ZWgXTR7uO5BTh8/images/moengage_b10c60.png?fit=max&auto=format&n=K1ZWgXTR7uO5BTh8&q=85&s=861ca28c2fa65a062b15c99ce9ab4ac7" width="1600" height="686" data-path="images/moengage_b10c60.png" />

## Cause

This error occurs when you have not whitelisted the suggested URLs from your end according to the [Content Security Policy and impact on Personalization](/user-guide/personalize/things-to-know/content-security-policy-and-impact-on-personalization) documentation.