ERR_BLOCKED_BY_CLIENT means your browser or an extension is blocking a website...

https://list-wiki.win/index.php/Does_Incognito_Mode_Help_Diagnose_a_Blocked_Page%3F

ERR_BLOCKED_BY_CLIENT means your browser or an extension is blocking a website or content from loading. To fix it quickly, open a private or incognito window to check if it still happens