February 2011: Google announced on its official that a new update to reduce rankings for low-quality sites had been introduced, impacting about 12% of English queries. Learn more: Understanding Google Panda: Definitive Algol Guide for SEOsPenguin Algorithm Update The Penguin update worked to target link spam. Before rolling out Penguin, Google paid close attention to company employee list page link volume while crawling webpages. This made it possible for low-quality pages to rank more prominently than they should have if they had a lot of incoming links. Penguin helped with the mission to make valuable search results as visible as possible by penalizing low-quality content and link spam.
Many sites cleaned up their links. But they could stay in Penguin jail for months, unable to regain their lost rankings until Google ran the next update. Google company employee list made Penguin part of its real-time algorithm in September 2016, and a friendlier version emerged. History of Penguin Updates FromPenguin had several data refreshes and updates before rolling into the core algorithm. Update 4.0 – September 2016: Google announced on its Webmaster .
entral blog that Penguin was now part of the core algorithm. This meant Penguin worked in real-time and was also more granular. Update 3.0 – October 2014: Google confirmed to Search Engine Land that a data refresh had occurred. Google later said that the update They're free, and they're indispensable for SEO. Watch the SERP weather reports. Rank Ranger SERP company employee list fluctuations chart. Various websites and tools monitor ranking changes across categories and search markets and report on SERP volatility. Here are places you can check for early warning signs of a search ranking algorithm.