The question 'how search engine algorithms work' has an ever-changing answer. Most software engineers know the basics of how search engines find new websites. There are algorithms for how a search engine crawls the web and how it ranks a website. Seo companies and software engineers both need to know the importance of understanding how these algorithms work.
This is not a comprehensive article on the topic, but let's get started about these pesky algorithms.
There are many algorithms
The search result by google follows a collection of algorithms and sub-algorithms that have developed and evolved to solve different problems. With new issues, new algorithms are created.
Each algorithm has its understanding, architecture, and importance.
Panda algorithm was a response to 'content farms'. They are collecting low-quality and thin content websites that exist but give nothing new and unique to the reader. Panda was developed to look in the search index and classify unique content better than the 'content farms'. It also identified 'content farms' and gave them negative ratings.