History of Google Search Engine
Google's unique and improving algorithm has made it one of the most popular search engines of all time. Other search engines continue to have a difficult time matching the relevancy algorithm Google has created by examining a number of factors such as social media, inbound links, fresh content, etc.
As evidenced by the above infographic, Google appeared on the search engine scene in 1996. Google was unique because it ranked pages according to citation notation, in which a mention of one site on a different website became a vote in that site's favor. This was something that search engines
Google also began judging sites by authority. A website's authority, or trustworthiness, was determined by how many other websites were linking to it, and how reliable those outside linking sites were.
Google search history can be witnessed by taking a look at Google's homepage progressions over the years. It's remarkable to see how basic and primitive the now most popular search engine once was.