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The a hreflang attribute is indeed a semantically correct way to signal that a linked page is in a different language than the current page. Regarding SEO, it never makes sense to worry about the possible detriment of adding a few bytes here and there. It would take about 50-100KB of extra page weight before I would even consider splitting hairs, and ...


2

You shouldn't redirect. You say "The system of my website determines the language of the browser", but you need to look into that more. It is not as reliable as you think. It is certainly not reliable enough to redirect. There are two ways to determine the language of the user: Use the Accept-Language header which usually comes with a language and ...


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You can set the lang attribute in your <html> tag if you want to. The w3c recommends setting it. If you do set it, you the value should just be en, not en_US. It is a language identifier, not a locale identifier. It should only specify the language, and not the language and country. However, setting the lang doesn't actually do anything. That ...


2

To answer your question, language-specific domain is one way to tell google certain pages are relevant for visitors with particular language or country. Thus for SEO purpose, google will only rank those specified pages to your targeted market visitors. In your case, your Korean users will only see its Korean version webpages; it helps improves customer ...


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Option #3: use a line for en, in addition to the three locale-specific lines. A Google representative has confirmed that multiple targets for one URL is allowed. You do want to target traffic to the appropriate locale-specific site, where one exists. That rules out option #2. Option #1 would work, up to a point, in that the search engine will still serve ...


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Facebook doesn't have to have good SEO. Facebook doesn't need to have lots of content in various languages indexed in Google. If you need to be listed in search engines, don't try to emulate Facebook. Google doesn't really support crawling and indexing several languages at the same URL. A few years ago Google announced that Googlbot was going to start ...


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If your developer is using a 301 Redirect then this is the best practice. Google guideline (and I guess guideline from other search engines) is simple on this matter. When you are moving a URL and want to maintain its SEO value implement a 301 Redirect when the change is permanent. Source


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The best approach here would be using folders(approach 1) to implement this on your site(this is done by many companies). One of the problems with the subdomain approach is that the Domain Authority of the primary domain is not forwarded to the sub-domains so you would lose a lot of SEO benefits that your domain might have gained over time. And if you go ...


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