2013 Updates
Authorship Shake-up — Dec 19, 2013
As predicted yesteryear Matt Cutts at Pubcon Las Vegas, authorship mark-up disappeared from roughly 15% of queries over a menses of nearly a month. The autumn bottomed out approximately Dec 19th, but the numbers rest volatile as well as get got non recovered to before highs.
Unnamed Update — Dec 17, 2013
Almost all global flux trackers registered historically high activity. Google would non confirm an update, suggesting that they avoid updates close the holidays. MozCast too registered a ascent inwards some Partial-Match Domains (PMDs), but the patterns were unclear.
Unnamed Update — Nov 14, 2013
Multiple Google trackers picked upwards odd activity, which co-occurred amongst a study of widespread DNS errors inwards Google Webmaster Tools. Google did non confirm an update, as well as the elbow grease as well as nature of this flux was unclear.
Penguin 2.1 (#5) — Oct 4, 2013
After a 4-1/2 calendar month gap, Google launched some other Penguin update. Given the 2.1 designation, this was in all probability a information update (primarily) as well as non a major alter to the Penguin algorithm. The overall impact seemed to live on moderate, although some webmasters reported existence hitting hard.
Hummingbird — August 20, 2013
Announced on September 26th, Google suggested that the "Hummingbird" update rolled out nearly a calendar month earlier. Our best guess ties it to a MozCast spike on August 20th as well as many reports of flux from August 20-22. Hummingbird has been compared to Caffeine, as well as seems to live on a total algorithm update that may ability changes to semantic search as well as the Knowledge Graph for months to come.
In-depth Articles — August 6, 2013
Google added a novel type of word outcome called "in-depth articles", dedicated to to a greater extent than evergreen, long-form content. At launch, it included links to iii articles, as well as appeared across nearly 3% of the searches that MozCast tracks.
Unnamed Update — July 26, 2013
MozCast tracked a large Fri spike (105° F), amongst other sources showing pregnant action over the weekend. Google has non confirmed this update.
Knowledge Graph Expansion — July 19, 2013
Seemingly overnight, queries amongst Knowledge Graph (KG) entries expanded yesteryear to a greater extent than than one-half (+50.4%) across the MozCast information set, amongst to a greater extent than than a quarter of all searches showing some sort of KG entry.
Panda Recovery — July 18, 2013
Google confirmed a Panda update, but it was unclear whether this was i of the 10-day rolling updates or something new. The implication was that this was algorithmic as well as may get got "softened" some previous Panda penalties.
Multi-Week Update — June 27, 2013
Google's Matt Cutts tweeted a response suggesting a "multi-week" algorithm update betwixt roughly June twelfth as well as "the calendar week after July 4th". The nature of the update was unclear, but at that spot was massive rankings volatility during that fourth dimension period, peaking on June 27th (according to MozCast data). It appears that Google may get got been testing some changes that were afterwards rolled back.
Panda Dance — June 11, 2013
While non an actual Panda update, Matt Cutts made an of import clarification at SMX Advanced, suggesting that Panda was nevertheless updating monthly, but each update rolled out over nearly 10 days. This was non the "everflux" many people had expected after Panda #25.
"Payday Loan" Update — June 11, 2013
Google announced a targeted algorithm update to accept on niches amongst notoriously spamy results, specifically mentioning payday loans as well as porn. The update was announced on June 11th, but Matt Cutts suggested it would scroll out over a 1-2 calendar month period.
Penguin 2.0 (#4) — May 22, 2013
After months of speculation bordering on hype, the fourth Penguin update (dubbed "2.0" yesteryear Google) arrived amongst solely moderate impact. The exact nature of the changes were unclear, but some prove suggested that Penguin 2.0 was to a greater extent than finely targeted to the page level.
Domain Crowding — May 21, 2013
Google released an update to command domain crowding/diversity deep inwards the SERPs (pages 2+). The timing was unclear, but it seemed to scroll out simply prior to Penguin 2.0 inwards the United States of America as well as maybe the same solar daytime internationally.
"Phantom" — May 9, 2013
In the menses approximately May 9th, at that spot were many reports of an algorithm update (also verified yesteryear high MozCast activity). The exact nature of this update was unknown, but many sites reported pregnant traffic loss.
Panda #25 — March 14, 2013
Matt Cutts per-announced a Panda update at SMX West, as well as suggested it would live on the terminal update before Panda was integrated into the total algorithm. The exact engagement was unconfirmed, but MozCast information suggests 3/13-3/14.
Panda #24 — Jan 22, 2013
Google announced its starting fourth dimension official update of 2013, claiming 1.2% of queries affected. This did non seem related to speak of an update approximately 1/17-18 (which Google did non confirm).