Firefox has fine-grained site permissions, which probably cover this. The UI is pretty obscure, though, and not discoverable, which may be why this option isn't

Firefox has fine-grained site permissions, which probably cover this. The UI is pretty obscure, though, and not discoverable, which may be why this option isn't considered in the article. https://support.mozilla.org/en-US/kb/site-permissions-panel https://support.mozilla.org/en-US/kb/site-permissions-panel