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

https://zaneznae304.lucialpiazzale.com/why-does-the-error-go-away-after-i-disable-one-extension

ERR_BLOCKED_BY_CLIENT means your browser or an extension is blocking a website or content from loading. To fix it, try opening the page in a private window to see if the problem persists