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

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 website from loading. To fix it, try opening the site in private mode. If it works there, check your browser extensions and disable or whitelist the site if needed