ERR_BLOCKED_BY_CLIENT means a browser extension or setting is stopping a...

https://reidyxab469.iamarrows.com/how-can-a-website-reduce-the-chance-of-being-blocked-by-ad-blockers

ERR_BLOCKED_BY_CLIENT means a browser extension or setting is stopping a webpage from loading. The quickest fix is to open a private window, which disables most extensions. If the site works there, check your extensions and whitelist the site if needed