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

https://garrettwigp625.tearosediner.net/how-do-i-find-out-what-changed-right-before-the-error-started

ERR_BLOCKED_BY_CLIENT means your browser or an extension is stopping a webpage from loading. To fix it, try opening the page in private mode to rule out extensions. If it works there, check your browser extensions