Do google use algorithm or real person to determine the site has 'good content'?
 

I've curious about this so far

Google use their own search engine algorithm to measure the content quality.

Google is build algorithm for checking all criteria of website.

algorithms are focused towards crawling, indexing and ranking

In other words, Google is trying to emulate us—the readers—in determining the quality, relevance, and benefit of a website's content, and ranking it accordingly. Google relies on its search algorithms to scan, analyze, and rank the world's web content.

Do google use algorithm or real person to determine the site has 'good content'?
 

Google's Panda Filter Algorithm goes through the Google-Index and looks for bad or low quality content and punishes websites where such content is found.
In order to identify this bad or low quality content,
the Panda Filter looks for a number of signals.

In other words, Google tries to mimic us readers by determining the quality, relevance, and value of your site's content and ranking it accordingly. Google relies on its search algorithms to scan, analyze and rank global web content.