What Is An Hreflang Tag? Hreflang tags are a link tag attribute in HTML that enables websites to serve content specifically for users in different countries and languages.

Boost your SEO with effective meta and HTML tags. Learn how to optimize your website with meta tags for improved search engine rankings.

The hack is accomplished with just a few lines of JavaScript. In fact, the original example was 100 characters but a revision boils that down to just 67. So who’s vulnerable to this kind of thing?