There was a park in the town in Virginia where I used to live that had been a railroad track that was turned into a walking path. At one place near that track was a historic turntable where cargo trains might be unloaded so that they could be added to later trains or trains headed in the opposite direction. This is a technology that is no longer used but it is an example of how technology changes and evolves over time.
There are people who write about SEO who have insisted that Google uses a technology called Latent Semantic Indexing to index content on the Web, but make those claims without any proof to back them up. I thought it might be helpful to explore that technology and its sources in more detail. It is a technology that was invented before the Web was around, to index the contents of document collections that don’t change much. LSI might be like the railroad turntables that used to be used on railroad lines.
There is also a website which offers “LSI keywords” to searchers but doesn’t provide any information about how they generate those keywords or use LSI technology to generate them, or provide any proof that they make a difference in how a search engine such as Google might index content that contains those keywords. How is using “LSI Keywords” different from keyword stuffing that Google tells us not to do. Google tells us that we should: