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Many websites try to make the user's life easier by automatically redirecting her to the language/region version of their content that they infer based on IP address. But this approach is full of SEO pitfalls you should know about. In other words, the road to hell is paved with good intentions. If you do automatic| Hreflang Testing Tool | Hreflang implementation guide and testing tool
One of the most common mistakes that occur in Hreflang implementations is the lack of return links. Google Webmaster Tools may report this as No Return Tags or Missing Return Tags. As evident from questions in online forums, a lot of webmasters do not understand what this error means. Here's a simple explanation. Let's say| Hreflang Testing Tool | Hreflang implementation guide and testing tool