Ditulis pada: 31 October 2018 | Kategori: Blog
8 major Google algorithm updates, explained #
Launch date: February 24, 2011
Hazards: Duplicate, plagiarized or thin content; user-generated spam; keyword stuffing
How it works: Panda assigns a so-called “quality score” to web pages; this score is then used as a ranking factor.
Launch date: April 24, 2012
Hazards: Spammy or irrelevant links; links with over-optimized anchor text
How it works: Google Penguin’s objective is to down-rank sites whose links it deems manipulative. Since late 2016, Penguin has been part of Google’s core algorithm; unlike Panda, it works in real time.
Launch date: August 22, 2013
Hazards: Keyword stuffing; low-quality content
How it works: Hummingbird helps Google better interpret search queries and provide results that match searcher intent (as opposed to the individual terms within the query).
Launch date: July 24, 2014 (US); December 22, 2014 (UK, Canada, Australia)
Hazards: Poor on- and off-page SEO
How it works: Pigeon affects those searches in which the user’s location plays an important part. The update created closer ties between the local algorithm and the core algorithm: traditional SEO factors are now used to rank local results.
Launch date: April 21, 2015
Hazards: Lack of a mobile version of the page; poor mobile usability
How it works: Google’s Mobile Update (aka Mobilegeddon) ensures that mobile-friendly pages rank at the top of mobile search, while pages not optimized for mobile are filtered out from the SERPs or seriously down-ranked.
Launch date: October 26, 2015
Hazards: Lack of query-specific relevance features; shallow content; poor UX
How it works: RankBrain is part of Google’s Hummingbird algorithm. It is a machine learning system that helps Google understand the meaning behind queries, and serve best-matching search results in response to those queries
Launch date: September 1, 2016
Hazards: Tense competition in your target location
How it works: The Possum update ensured that local results vary more depending on the searcher’s location: the closer you are to a business’s address, the more likely you are to see it among local results
Launch date: March 8, 2017
Hazards: Thin, affiliate-heavy or ad-centered content
How it works: The latest of Google’s confirmed updates, Fred targets websites that violate Google’s webmaster guidelines.