ERR_BLOCKED_BY_CLIENT happens when your browser or an extension stops a page or...

https://lukasnpyy234.cavandoragh.org/what-are-the-safest-first-3-steps-when-a-page-is-blocked-by-an-extension

ERR_BLOCKED_BY_CLIENT happens when your browser or an extension stops a page or content from loading. To fix it fast, try opening the site in private mode. If that works, check your browser extensions and temporarily disable any blockers