Cookie has been rejected for invalid domain

Hi @chillifish,

Thanks for reaching out. From checking your site I can see a Site Kit placed Analytics snippet which has been modified, possibly by another plugin or service. This doesn’t seem to block tracking on your site from the checks I performed manually and using the tagassistant.google.com service. Note also that Site Kit doesn’t include any functionality that blocks or modifies requests.

As I suspect you have some same-site or CORs configurations from a third party plugin please share the following and we can advise on this further:

1. Your Site Health information. You can use this form to share privately if preferred.
2. When checking the Site Kit dashboard from a Chrome browser incognito window share any browser console errors that appear. You can share from a screenshot or screen recording if you wish, using a service such as Imgur or Loom.

Let me know if you have any questions with the above.

Thanks for the update @chillifish, very useful to see. What you’re encountering is related to your Firefox same origin policy settings. This isn’t specific to Site Kit, with Firefox having changed the default SameSite behavior note so long ago, if you don’t have any CORs policy defined.

What you could do is define your own SameSite settings. While this isn’t something we can assist with here in the Site Kit forums you’ll find plenty of online resources on this. You can use a plugin or define rules within your .htaccess file, as per this guide.

Let me know if you have any further questions on this.