what is a Search Engine Algorithm?

what is a Search Engine Algorithm? it as “a process or set of rules” to be followed in calculations or other problem-solving operations, especially by a search engine.

SEARCH ENGINE ALGORITHM

8 major Google algorithm updates :

1.    Panda: February 24, 2011

2.  Penguin: April 24, 2012

3.  Hummingbird: August 22, 2013.

4.  Pigeon: July 24, 2014( US); December 22, 2014 (UK, Canada, Australia )

5.   Mobile: April 21, 2015

6.  RankBrain: October 26, 2015

7.   Possum: September 1, 2016.

8.  Fred: March 8, 2017.

01. Panda: February 24,

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. Initially, Panda was a filter rather than part of Google’s ranking algo, but in January 2016, it was officially incorporated into the core algorithm. Panda rollouts have become more frequent, so both penalties and recoveries now happen faster. 

How to adjust:

 Run regular site checks for content duplication, thin content, and keyword stuffing. To do that, you’ll need a site crawler, like SEO PowerSuite’s Website Auditor.

    ( If you have an e-commerce site and cannot afford to have 100 percent unique content, try to use original images where you can, and utilize user reviews to make product descriptions stand out from the crowd.)

02. Penguin: 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.

How to adjust:

Monitor your link profile’s growth and run regular audits with a backlink checker like SEO SpyGlass. In the tool’s Summary dashboard, you’ll find a progress graph for your link profile’s growth. Look out for any unusual spikes: those are reason enough to look into the backlinks you’ve unexpectedly gained.

03. Hummingbird: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). While keywords continue to be important, Hummingbird makes it possible for a page to rank for a query even if it doesn’t contain the exact words the searcher entered. This is achieved with the help of natural language processing that relies on latent semantic indexing, co-occurring terms, and synonyms.

How to adjust:

Expand your keyword research and focus on concepts, not keywords. Carefully research related searches, synonyms, and co-occurring terms. Great sources of such ideas are Google Related Searches and Google Autocomplete. You’ll find all of them incorporated into Rank Tracker’s Keyword Research module.

(Use these insights to understand your audience’s language better and diversify your content.)

04. Pigeon : 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.

How to Adjust :

Invest effort into on- and off-page SEO. A good starting point is running an on-page analysis with WebSite Auditor. The tool’s Content Analysis dashboard will give you a good idea about the aspects of on-page optimization you need to focus on.

05. MOBILE: 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.

How To Adjust :

Go mobile and focus on speed and usability. Google’s mobile-friendly test will help you see which aspects of your page’s mobile version need to be improved. The test in integrated into WebSite Auditor so you can check your pages’ mobile friendliness quickly. You’ll find it in Content Analysis > Page Audit, under the Technical factors tab.   

06. RankBrain: 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. Google calls RankBrain the third most important ranking factor. While we don’t know the ins and outs of RankBrain, the general opinion is that it identifies relevance features for web pages ranking for a given query, which are basically query-specific ranking factors.

How to Adjust :

Optimize content for relevance and comprehensiveness with the help of competitive analysis. With the help of WebSite Auditor‘s TF-IDF tool, you can discover relevant terms and concepts used by a large number of your top-ranking competitors: those are a brilliant way to diversify your content.

07 Possum: 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. Possum also resulted in greater variety among results ranking for very similar queries, like “dentist Denver” and “dentist Denver co.” Interestingly, Possum also gave a boost to businesses located outside the physical city area.

How to Adjust :

 Expand your keyword list and do location-specific rank tracking. Local businesses now need to be targeting more keywords than they used to, due to the volatility Possum brought into the local SERPs. As you check your rankings, make sure you’re doing this from your target location (or, better yet, a bunch of them). You can do this in Rank Tracker under Preferences > Preferred Search Engines. Click Add Custom next to Google. Next, specify your preferred location — you can make it as specific as a street address.

08. Fred: 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. The majority of affected sites are blogs with low-quality posts that appear to be created mostly for the purpose of generating ad revenue.

How to Adjust :

Review Google Search Quality Guidelines and watch out for thin content. If you show ads, make sure the pages they are found on are high-quality and offer relevant ample information. This is basically it: Don’t try to trick Google into thinking your page is about something when it really is a gateway page full of affiliate links. Most publishers make money off ads, and that’s totally legit as long as you are not cheating.

Some Other Google Algorithms update :

Ø   Mobile Speed Update: 17 Jan, 2018.

Ø   Site Diversity Update: 3 June 2019

Fix it:  improve situations where sites had more than two organic listings.

Ø   BERT Update: 25 Oct 2019                                 

  FIX IT :

Google upgraded its algorithm and hardware to understand BERT natural language processing (NLP) model. BERT allows Google to better interpret and understand language searches and thus improve search results.

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