Google algorithms are very complex systems. No one knows how many times Google is updating its ranking factor algorithms. Google updates its algorithm to give the best result of every query search by a user.
Following are the ranking factor or Google’s algorithms that help in improving the results given by the search engine:
- Panda (February 2011): Panda algorithm is developed to eliminate blackhat SEO. It mainly addresses the problems related to irreverent content or thin content, duplicate content, low content, low trustworthiness, content framing, high ad to content ratio.
- Penguin (April 2012): Penguin algorithm is created for handling spamming, bad backlinks, keyword stuffing, or paid backlinks. All these kinds of issues are handled by Penguin.
- Page Layout Algorithm(January 2012): This algorithm is linked with user experience by balancing the ads and content in a website. Approximately 1% of websites are affected by this algorithm because these websites are forcing users to which ads for accessing actual content of the website.
- Hummingbird (September 2013): It helps in interpreting the search query more effectively. Hummingbird algorithm also uses the NLP (natural language processing). It has mainly 3 components: Voice Search, Human Search, and Conversational Search.
- Pigeon (July 2014): The invention of the Pigeon algorithm completely changed the local search. This algorithm helps the local businesses. After this algorithm, Google enhanced ranking signs for both Google Maps and Google Search.
- RankBrain(October 2015): Many say it’s similar to the Hummingbird algorithm or some say it is a part of the Hummingbird algorithm. But in actual it’s a machine learning system that builds off Hummingbird. Its main work is understanding the reason behind the search query and giving the best result based on the queries. Google also states that Rankbrain is 3rd main ranking factor.
- BERT (October 2019): BERT stands for Bidirectional Encoder Representations from Transformers. In this algorithm, Google is using new techniques for giving the more relevant output of search queries and in this algorithm advanced level NPL embed. It deals with low-quality written content and lack of context.
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