Large scale SEO-test: How does hreflang work and is it effective for international SEO? When should you combine it with canonical? Read more here (danish) www.onlinepartners.dk or (english) www.stateofsearch.com
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Hreflang & canonical test for international SEO
What Is SEO / Search Engine Optimization?
SEO stands for “search engine optimization.” It is the process of getting traffic from the “free,” “organic,” “editorial” or “natural” listings on search engines. All major search engines such as Google, Yahoo and Bing have such results, where web pages and other content such as videos or local listings are shown and ranked based on what the search engine considers most relevant to users.