The most important Google algorithms for SEO

Google's search algorithm  changes several times a year. However, it is too small to notice. Google introduces changes, and it affects  SEO  behaviors. It is a complex system that lets Google rank, find, and return the most relevant pages for the specific query. The entire system consists of multiple algorithms that consider different aspects like usability, relevance, and quality of the page. Some of the important  Google algorithms  are here.

1- Panda

Keyword stuffing, user-generated spam, and plagiarized content are its hazards.  Panda algorithm  updates assign a quality score to all websites. It is used as a ranking factor. In the beginning, Panda's effects were minor, but in January 2016, it was incorporated permanently. These updates have become quicker. Therefore, Panda recoveries and penalties are faster now. If you are an  SEO expert, you need to regularly check the site or your  web pages  for keyword stuffing, thin, and duplicate content. You can do it using a site crawler.

2- Google Penguin

It is a 2nd algorithm update that hits the majority of the sites. It contains many things common with Panda but is evaluates websites for a different factor in their link profiles. The objective of  Penguin  is to down-rank the sites whose  backlinks  look unnatural. It influences backlinks positively if these are places on the site relevant to the linked pages. These links come from multiple domains, point to you from reliable sources and others.

If you want to stay safe from the effects of  Penguin's updates, then you need to track the profile of your links and check them with a  backlink checker tool

3- Humming Bird

It helps Google better interpret search queries and offer relevant results to the searcher's intent. Keywords are important, but this algorithm makes it possible for a page to rank for the search query as the text is written. It relies on synonyms, co-occurring terms, latent semantic indexing, and many more. Now, you need to improve your keywords and concentrate on the concepts behind these keywords.

4- Mobile

This  Google algorithm update  ranks the  mobile-friendly site  ranks the  optimize all your websites  for smartphones and mobile devices. Check the loading speed of your web pages and their usability.  Google's page speed test  and mobile-friendly will help you see which factor is important to improve.

5- Google Fred

It checks poor user experience, low value, thin content, and aggressive advertisement. Fred assisted websites that highlighted the content over ad revenue; that is why people visit web pages in the first place. Moreover, it focuses on the other two factors too. To overcome the penalties, then you need to check your sites for ads. Please do not make them a priority. It should offer a great user experience and high-quality content.

There are millions of pages for all the queries.  Google  gives high-ranking to those websites that have trustworthiness, authoritativeness, and expertise.