Multilingual on Time Friendhttps://time-friend.com/en/tags/multilingual/Recent content in Multilingual on Time FriendHugoen-USWed, 02 Sep 2026 13:30:14 +0400hreflang Language Code Mistakes: Why Bilingual Blogs Rank Unstably in Some Regionshttps://time-friend.com/en/archive/blog-multilingual-seo-hreflang/Sat, 16 Aug 2025 10:00:00 +0000https://time-friend.com/en/archive/blog-multilingual-seo-hreflang/<p>My blog has both Chinese and English versions. Search engines use the hreflang tag to understand &ldquo;which page is Chinese, which is English.&rdquo; I found out the hard way that an ambiguous declaration can quietly hurt search rankings.</p> <h1 id="how-search-engines-know-there-are-two-versions">How Search Engines Know There Are Two Versions</h1> <p>My site has Chinese and English copies. How does a search engine know they&rsquo;re two languages of the same content?</p> <p>That&rsquo;s what hreflang is for. It looks like this:</p>