ERR_BLOCKED_BY_CLIENT means a browser extension or setting is blocking a...

https://domgodwinson38.gumroad.com/p/how-do-i-allow-scripts-on-one-site-without-disabling-my-blocker

ERR_BLOCKED_BY_CLIENT means a browser extension or setting is blocking a website from loading. The easiest way to fix it is to open a private or incognito window