https://www.cnet.com/news/firefox-chrome-try-banishing-spammy-website-requests-you-probably-hate/

That's why Mozilla and Google are exploring ways to block notification permission requests until some kind of action on the website offers a better indication that we're likely to be receptive rather than ticked off.

Mozilla's Nightly version of Firefox began a two-week experiment Monday that blocks all notification requests unless the browser user has clicked or typed something into the website, Firefox engineer Johann Hofmann said in a blog post. And Google is "looking into many strategies to tamp down on this," including monitoring our engagement with websites before permitting the request, Chrome standards guru Alex Russell tweeted Sunday.