What is link farms in blogging

Link farms are a collection of websites that link each other. It increases the number of inbound links and boosts your ranking.

The search engine (Google) ranks websites using the number of links and other factors. But the link form has a negative impact as Google considers it a spam method.

The use of link farms was very popular in the days when page rank mattered, but times have changed, Google has changed too, and now this technique leads to penalty for your site.

Search engines (Google) can easily locate link farms, so you should avoid using them.