Hello, I use alternate hreflang in different domains like this example: <link rel="alternate" hreflang="x-default" href="http:// www .domain .com/" /> <link rel="alternate" hreflang="en-GB" href="http:// www .domain .co.uk/" /> <link rel="alternate" hreflang="en-IR" href="http:// www .domain .com/" /> <link rel="alternate" hreflang="de-DE" href="http:// www .domain .de/" /> The problem is that I use this code in all sub-pages, for example the page http://www.domain.com/page3.php have the same code as the main page: <link rel="alternate" hreflang="x-default" href="http:// www .domain .com/" /> <link rel="alternate" hreflang="en-GB" href="http:// www .domain .co.uk/" /> <link rel="alternate" hreflang="en-IR" href="http:// www .domain .com/" /> <link rel="alternate" hreflang="de-DE" href="http:// www .domain .de/" /> Is that a serious issue? Is it better to remove alternate hreflang in all domains? Have anyone have same experience? Your opinion?