All channels @if (unverified() > 0) { {{ unverified() }} domain(s) have never reported the widget loading. That is almost never a bug — the snippet was not pasted, or it sits below a script that throws first. } Install snippet 
{{ snippet }}

One script tag, async, no dependencies. Paste it before </body> on every page the widget should appear on.

Where it is installed Behaviour @if (selected(); as install) {

{{ install.domain }}

{{ install.verified ? 'Widget is loading' : 'Widget has never loaded' }}

Install
@if (!install.verified) {
What to check The snippet is missing, or a script above it throws and stops the page. Open the console on that domain — if the widget script is not in the network tab at all, it was never pasted.
}
Across all domains
SDKs and API keys } @else { Select a domain. }