ERR_BLOCKED_BY_CLIENT means your browser blocked a page or part of it, often...

https://www.bookmark-xray.win/err-blocked-by-client-happens-when-a-browser-extension-or-setting-stops-a

ERR_BLOCKED_BY_CLIENT means your browser blocked a page or part of it, often due to an extension like an ad blocker. The quickest safe fix is to open a private window to test