Search engine optimization (SEO) is an industry and practice in constant flux. As search engines continue to work toward improving the results returned for their users, marketers must continue to optimize websites and create relevant content to build relevancy and authority. Check out these awesome infographics for some visual instruction and information about SEO:
2. SEO Tactics
3. Search Engine Marketing ROI
5. SEO vs. PPC
7. SEO Factors
10. Local Search
12. SEO Spider Trap
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