That's what OnPage.org is all about, and that's what OnPage.org helps you with, and as I said, over 180,000 users currently trust the innovation of our software. What is TF*IDF and why should we care? Ok, so first of all, TF*IDF has been one of the most dominant topics in the German SEO scene for four years and for a reason: because it works. It's picking up a bit in the United States right now. It started with an article by Dr. Pete on the Moz blog, but he was doing a very complicated version with Excel, and it's not very usable. But I think Moz's latest keyword tool actually offers a bit of TFIDF and Searchmetrics does something similar.
It's been one of our mods for 4 years now so it's also a third generation TF*IDF tool now because like I said for four years it's been hair masking service a very big topic in Germany and I think a lot of people use our TF*IDF module for content optimization, it's Basically, TF*IDF stands for Term Frequency with Inverse Document Frequency. There is also a mitigating factor there. It's a mathematical formula, which dates back to the 80s, so it's really like a base for finding information. It's something very, very old that can be used to reverse the way search engines view content. TF*IDF was one of the top ranking factors in most search engines I think, with Yandex it was the third ranking factor overall, and also with Google it was very early on that they leveraged TF*IDF to their advantage, but it wasn't really a ranking issue at the time.
The main purpose of TF*IDF is, for example, the identification of homonyms, Here TF*IDF can have a lot because you look at the entire article to find out what that word might stand for. If you have an article that talks about C++ programming, then Java… Did I already say I'm using the Java example? I'm sorry, so Java is the namesake here, so if I have an article about C++ programming, Java is probably considered the programming language, Java. If the article is about surfing on the beach in Bali, it's probably Java Island, and if the article is about coffee, taste and beans, it's probably Java coffee.