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

https://fernandowehn083.timeforchangecounselling.com/how-can-i-tell-which-extension-is-blocking-a-website

ERR_BLOCKED_BY_CLIENT means a browser extension or setting is stopping a webpage from loading. The quickest safe fix is to open the site in private mode to see if it’s an extension causing the issue