Im not sure it's child safety because you never can say what keywords will put there your child. But I like google for its apps, gmail and the best search engine!
I'm a fan of Google. I rate them lower on privacy because I think they use private information for financial gain in ways we can't imagine. But, that seems to be the price we pay today for "free" services.
Google provides awesome services with full privacy. It's fully reliable website that are trusted by millions of web users.
In majority of PC's, laptops and other web devices keeps Google as their homepage