What about this Chrome security extension?

Is this plug-in to adapt HTTP-header info preventing certain computer infections in Google Chrome?

Search Engine Security, Protects against Blackhat spam Search Engine Optimization (SEO) and hijacked websites.

See: https://chrome.google.com/webstore/detail/ebccjokgackkgklbchlhbkjnkdpoampk (Chrome webstore link)

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