How to determine script from Google CDN, which blocks the main thread?

Good time of day. Colleagues tell me please.

Optimizing the loading speed of the website.

Google AIDS says that there is a blockage of the main stream and one of the first is the google CDN.

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Tell me, how to perform via the debug network? Want to find that miracle.
April 4th 20 at 12:58
1 answer
April 4th 20 at 13:00
Solution
Blocks recaptcha, the more connected it 3 times. To add to the script, the async and defer attributes to remove duplicates

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