ERR_BLOCKED_BY_CLIENT means your browser or an extension is stopping a page...

https://lukasnpyy234.cavandoragh.org/why-does-my-antivirus-browser-extension-block-certain-pages

ERR_BLOCKED_BY_CLIENT means your browser or an extension is stopping a page from loading. To fix it quickly and safely, try opening the page in private mode. If it works, check your extensions, disable any that might block content, or whitelist the site