Google answers those loopholes and other search engine issues with Algorithm updates: Caffeine, Panda, Penguin, Payday Loan, HTTPS/SSL, Possum, Hummingbird, Mobile-friendly, Farmer, Brackets, Pigeon, RankBrain, Mobile-First Index Roll-out, BERT, and Google Glitch.
Some of those Algorithm updates were designed to thwart the individuals gaming the SERPs Search Engine Results Pages. This is another reason why SEO Audits are so critical; they confirm that you are not being perceived by the search engines as gaming the system.
SEO Audits are the foundation of all successful search engine optimization and pay per click campaigns. There are three types of SEO Audits: