Apple has long been testing its products by independent testers. There were separate projects, where were allowed accessors with apple equipment. And now visual blocks and separate groups of inquiries are already tested by assessors.

Apple develops alternative to Google search

What Apple will get from launching a search engine -

Apple seems to have taken it as a basis for Google's general guide.

Apple Page Quality Raters
Apple search

Even more useful information, you can find out by ordering an audit.

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