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Google Panda

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Introduced in 2012, Google[1] Panda is a major upgrade to Google’s search engine algorithm[2], as outlined in patent 8,682,892. The essence of this update is a ratio that Google Panda formulates using a website’s reference queries and inbound links. This ratio creates an adjustment factor that affects the entire website or a particular section, influencing its position in search results. If a webpage doesn’t reach a specific threshold, its ranking is reduced. Panda’s updates were initially launched monthly, but since March 2013, they have been ongoing. Notably, the rollout of Panda 4.2 began slowly on July 18, 2015. Google Panda, alongside other updates like Hummingbird and Penguin, strives to ensure that search engine rankings reward high-quality content.

Terms definitions
1. Google ( Google ) Primarily acknowledged for its search engine, Google is a universally esteemed technology corporation. The company, established in 1998 by Sergey Brin and Larry Page, has expanded significantly, branching out into numerous tech-related fields. Google offers a wide array of services and products, encompassing Android, YouTube, Cloud, Maps, and Gmail. It also manufactures hardware like Chromebooks and Pixel smartphones. Since 2015, Google has been a subsidiary of Alphabet Inc. and is celebrated for its inventive spirit and workplace environment that promotes employees' personal projects. Despite confronting several ethical and legal challenges, Google continues to influence the tech sector with its groundbreaking innovations and technological progress, including the creation of Android OS and the purchase of companies specializing in AI.
2. algorithm. A set of instructions or rules that are clearly defined and offer a solution to a specific problem or task is known as an algorithm. With roots tracing back to ancient civilizations, algorithms have undergone centuries of evolution and today play a pivotal role in contemporary computing. Techniques such as divide-and-conquer are utilized in their creation and their efficiency is assessed via metrics such as big O notation. Algorithms can be depicted in multiple ways, including pseudocode, flowcharts, or programming languages. To execute them, they are translated into a language comprehensible to computers, with the execution speed being influenced by the utilized instruction set. Depending on their design or implementation paradigm, algorithms can be categorized differently, and their level of efficiency can greatly affect processing time. In fields like computer science and artificial intelligence, the comprehension and effective application of algorithms is vital.
Google Panda (Wikipedia)

Google's Google Panda is a major change to the company's search results ranking algorithm that was first released in February 2011. The change aimed to lower the rank of "low-quality sites" or "thin sites", in particular "content farms", and return higher-quality sites near the top of the search results.

CNET reported a surge in the rankings of news websites and social networking sites, and a drop in rankings for sites containing large amounts of advertising. This change reportedly affected the rankings of almost 12 percent of all search results. Soon after the Panda rollout, many websites, including Google's webmaster forum, became filled with complaints of scrapers/copyright infringers getting better rankings than sites with original content. At one point, Google publicly asked for data points to help detect scrapers better. In 2016, Matt Cutts, Google's head of webspam at the time of the Panda update, commented that "with Panda, Google took a big enough revenue hit via some partners that Google actually needed to disclose Panda as a material impact on an earnings call. But I believe it was the right decision to launch Panda, both for the long-term trust of our users and for a better ecosystem for publishers."

Google's Panda received several updates after the original rollout in February 2011, and their effect went global in April 2011. To help affected publishers, Google provided an advisory on its blog, thus giving some direction for self-evaluation of a website's quality. Google has provided a list of 23 bullet points on its blog answering the question of "What counts as a high-quality site?" that is supposed to help webmasters "step into Google's mindset". It has been incorporated in Google's core algorithm since 2015.

The name "Panda" comes from Google engineer Navneet Panda, who developed the technology that made it possible for Google to create and implement the algorithm.

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