Two of the biggest SEO news stories of recent years concerned the Penguin and Panda updates to Google’s algorithms, which were aimed at improving search engine results by combating spammy black hat techniques and returning higher quality results at the top of the SERPs. While these changes had a huge impact on SEO, they were just tweaks and modifications of Google’s existing algorithms. It appears that Hummingbird, which was silently implemented a few weeks ago, is a much more technically significant, perhaps the most thoroughgoing update since Caffeine in 2010 or even since the algorithms were significantly rewritten by Amit Singhal in 2001.
Hummingbird is estimated to affect 90% of search engine results and is likened by Search Engine Land’s Danny Sullivan to a complete replacement of the engine of search. Continue reading