30 september 2025
What is a Content Security Policy (CSP) and why does it matter?

If you manage a website, you want it to be safe and remain reliable. One of the ways to do that is with a Content Security Policy (CSP). This sounds technical, but actually it is a clear list of rules for your site. Which external sources are allowed and which are not.

A padlock attached to a white door.

What exactly does a CSP do?

With a CSP you determine which domains your site can load. Think of images, scripts, videos, or other embedded elements. If a domain is not on the list, the content will be blocked.

For example, you add an external script to your Google Tagmanager, to add functionality to the website. You then also need to add the script’s domain to the CSP. This way, your site knows the script comes from a trusted source.

Why is this important?

  • Protection against hacks: you reduce the risk of someone injecting harmful code into your site.
  • Better control: you decide which external services you trust.
  • Rest and clarity: no unexpected scripts or files running in the background without your knowledge.

Setting up CSP in the dashboard

In our dashboard we’ve added security settings. Here, you can manage the list of allowed domains yourself. You don’t need any technical coding knowledge, simply enter the domain names you want to allow.

A well-configured CSP makes your website safer and more reliable. With the new settings in the dashboard, you stay in control without complicated technical steps. You decide which content your site is allowed to accept.