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    T-03 · free tool

    hreflang generator

    List each language version once. You get the full set of tags to put on every one of those pages — hreflang only works when every version points at every other, itself included.

    LanguageRegion (optional)URL

    The three rules hreflang breaks on

    1. Return links. If the English page names the German one, the German page must name the English one. Missing return links are the most common reason Google ignores hreflang.
    2. Valid codes. Language is ISO 639-1 (en, de, pt); region, if used, is ISO 3166-1 alpha-2 (gb, at, br). en-uk is a common mistake — the code for the United Kingdom is gb.
    3. Self-reference. Each page lists itself as well as the others.

    x-default

    x-default names the page for everyone the other tags do not cover — usually a language picker or the international English version.

    Tags can also go in the XML sitemap or HTTP headers; the set is the same either way. The generator flags invalid codes and duplicates as you type.

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