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Infographic: Google’s Search Result Quality War
Posted on August 16th 2011
SEO.com has released an infographic on Google’s efforts to provide quality search results high. It’s an interesting look back at the key initiatives that Google has undertaken to combat sites from undeservedly dominating search results. While this may not seem like it would impact you, it actually does. Ensuring that your site or your clients’ sites are following the best practices of search engines is imperative.
Here’s a breakdown of the history from the SEO.com post:
- Panda Update (February 2011) – Google cracked down on content farms and sites that had low quality, thin or scraped content. Focus was placed on unique content and content depth. Many websites were affected by the update. Most content farms got hit hard. The Panda update has been rolled out in several steps throughout the year.
- Mayday Update (May 2010) – Google launched update that focused on long tail traffic.
- Caffeine Update (August 2009) – Update focused on infrastructure to allow Google to better index information online, and do it much faster. It enabled deeper processing, which allowed Google to deliver more relevant search results. This update eventually allowed Google to introduce page speed as a ranking factor.
- Pluto Update (August 2006) – Update focused on backlinks reported by Google. There were no significant changes in search engine results.
- Big Daddy (February 2006) – Google focused on inbound and outbound links. Sites that have very low trust in links, or linked out to many spam sites saw pages disappear from the index. Spam sites were moved into a supplemental category in the search results. Users noticed that even after complying with Google’s help that their websites were still going supplemental.
- Jagger Update (October / November 2005) – Google encouraged users to give feedback concerning websites that used black hat SEO strategies to rank well. Sites which were found to be using such techniques were removed from the search results. Google cleaned up canonical problems and focused on relevance in reciprocal linking.
- Allegra Update (February 2005) – This was an attempt by Google to identify spam sites that still managed to rank high in the search results. Google asked users to give feedback about sites that actually deserved higher rankings but did not receive them. Users complained that their sites disappeared from the search results and that some spam sites still ranked well.
- Bourbon Update (May 2005) – Google launched this update in response to spam complaints and re-inclusion requests. Strategic changes in the process were implemented to make it more effective. The update also focused on moving from old data centers to new ones.
- Brandy Update (February 2004) – Google placed more emphasis on words like trust, authority and reputation. Update showed that providing relevant information is the key. There was greater importance placed on the quality of content on a website. Google also stressed the importance of Latent Semantic Indexing.
- Austin Update (January 2004) – The update focused on a practice called Google Bombing, where people manipulated the system to produce misleading results. The focus shifted to sites with minimal keyword density and good internal linking. Relevant links were given more weight in that sites that linked to other sites in a similar industry did better in the search results.
- Florida Update (November 2003) – The update reflected Google’s shift from simple filters to an attempt to understand contextually the scope of the search and potential search results. The update cleaned up spam with simple linking and other features that gave more weight to well optimized and cleanly linked sites. Webmasters welcomed the update and it showed that Google was giving top priority to the searchers’ interests. The update was an attempt to encourage white hat websites, which adhered to the quality requirements.
- Esmerelda Update (June 2003) – The third in a series of updates that gave preference to pages that gave more specific information to a visitor. The update revealed that internal pages within a website may have better relevance for the Dominic update, which seemed to give the homepage preference to even searches that were aimed at a specific query. Users reported that spam was considerably less than after the Dominic and Cassandra updates.
- Dominic Update (May 2003) – This update was named after the pizza restaurant in Boston that was visited often by PubCon attendees. The update focused on making the search process theme based, and linking a data center to a particular search. The update made it clear that each data center was meant to do different things.
- Cassandra Update (April 2003) – This update focused on domain name relevance. The idea was that companies should choose a name that reflects their domain name.
- Boston Update (March 2003) – The Boston update focused on incoming links and unique content. The result was that many webmasters reported a drop in backlinks and a corresponding drop in PageRank.