Suppose you are at a construction site.
You see the site engineer using a measuring tape to find out the length of a wall. A little later, he tells his colleague to note down 30 feet.
Using your senses, you quickly understand that ‘feet’ here refers to the unit of measurement and not the human body part.
But, search engines are not capable of this.
They don’t have sensory organs to help them differentiate between the feet used to measure and the feet used to stand.
So, LSI keywords come into the picture.
LSI stands for Latent Semantic Indexing.
It was developed in the late 1980s to extract precise information from large data sets. However, over the years, it has improved tremendously.
Almost ALL search engines use it to understand the content on web pages and rank them better. (Even if they say there’s no such thing as LSI keywords!)
LSI keywords are simply terms or phrases related to the main keyword on a web page.
They are sema... read more