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In 20 minutes or less, you can check your web page to make sure it is optimized for search engines. The InMotion Hosting SEO Audit infographic found at http://www.inmotionhosting.com/infographics/ can help you spot common SEO mistakes and improve your website for higher search engine rank to increase traffic and sales.
Your Ultimate Google Penguin Recovery Plan [5 Infographics]
Search Engine Optimization Checklist 2015. This infographic will prove most useful therefore for the coming year and the good practice contained within it are best practice for the SEO industry as it stands today.