I only see 79/100 mobile friendliness for google.com (tried two times with same results). The screenshot shows some text among the lines of "We're sorry... ...

I only see 79/100 mobile friendliness for google.com (tried two times with same results). The screenshot shows some text among the lines of "We're sorry... ...but your computer or network may be sending automated queries. [...]". It looks like some kind of abuse/DoS protection was triggered.