Make your links crawlable

Search engine crawlers are able to follow the links of your website exclusively if they use proper <a> tags with resolvable URLs:

Search engines can follow links only if they are an <a> tag with an href attribute. Links that use other formats won't be followed by Google's crawlers. Google cannot follow <a>; links without an href tag or other tags that perform a links because of script events. Here are examples of links that Google can and can't follow:

Fixing the problem