You can also add the canonical URL in the HTTP header in the site (this part is noticeable only by web browsers) There are 3 ways to add hreflang tags to webpages (by insert, we don’t necessarily mean put into practice, we’ve currently lined that):  Bueno, hay muchas razones: servir https://mediajx.com/story21417617/details-fiction-and-canonical-link-tag-not-found