No matter how much some people claim the SEO industry is a den of snake-oil salesmen, there are still definite ways webmasters can improve their rankings, and thus their visibility in Google's search results.
This isn't a manipulation game—Google absolutely hates that game and will punish you for it—which is perhaps what the darker element of the SEO world sells. Good, in-bounds SEO is made up of smart, user-and-search-engine friendly techniques. Think of SEO as a performance-enhancing drug—one that won't get you kicked out of baseball.
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