Topic linking comes under the wider term, internal linking. Internal links in SEO go to web pages in the same domain, internal links are considered to be of less value than external links.
However, the topic clusters can be strategically used to significantly improve your site’s performance and increase rankings.
What internal linking is
Internal links are useful for Google to identify content on your site. Google’s bots find new content by crawling websites and following links. It means that if you post fresh content and it is not linked to any other page on the web, it won’t be found, nor ranked.
Google itself confirms that, saying –[1]
“Google must constantly search for new pages and add them to its list of known pages. Some pages are known because Google has already crawled them before. Other pages are discovered when Google follows a link from a known page to a new page.”
How topic clusters work
While internal linking is quite broad, topic linking is narrower. Topic linking is simply linking posts with related themes on your website to one another. A simple way to explain it is to consider Wikipedia. For every article on the online encyclopedia, there are links to many other relevant topics.
That is, among others, one of the reasons Wikipedia consistently ranks, not just on the first page, but as the very first search results for several queries.
“The number of internal links pointing to a page is a signal to search engines about the relative importance of that page.”
This very fact is why the homepage of any website ranks higher than other pages on