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International Journal of Engineering Research & Technology (IJERT) ISSN: 2278-0181 Vol. 2 Issue 6, June - 2013 Penguin (Links level) Penguin was formerly known as theweb spam algorithm update. Google targets the websites that are spamming the Web and throws them out of the search results. There are some cases were you can be impacted by these updates without being completely removed from the search results. This usually happens if you are linked to by spammers, but not measured a spammer ourselves. Proposed Work We have done SEO (Search Engine optimization) on two web portals 1. http://education.itwebblade.com & 2. http://www.bollywoodfunda.com On itwebblade we worked for 2 web pages keywords (i) GyanVihar University Previous year papers (ii) Itwebblade On the bollywoodfunda we also worked for 2 web page keywords (i) Bollywood funda (ii) India’s biggest Bollywood entertainment website And we did SEO keeping in mind the Google algorithms (Panda & Penguin). Our main aim is to put our websites higher in SERP and also to avoid Panda and Penguin attack on our portals. Before SEO our website traffic was very low and our site was penalized (spammed) because of content and links in recent past If we take our research work on http://education.itweblade.com the Average visits per week before SEO was approximately 10- 12 which were quite low. The number of visits got hiked by 85% - 86 % when the code was optimized on regular basis. We also calculated our search traffic that, from where this traffic comes? Is this traffic is Direct Traffic or Searched Traffic or Referral traffic. After continuous SEO on alternate week basis, both Content based and Link based we observed some great results. Another Portal we worked on was http://www.bollywoodfunda.com for which the Average visits per week before SEO was approximately 70- 75 which after the SEO got increased by 80 percent suddenly. Google Algorithms Google till now updated the following various algorithms: Algorithm Updates: 1) Google Panda (till now 25 versions) 2) Penguin (till now 4 versions) 3) Exact Domain Match Update 4) Top-Heavy Update 5) Pirate Update 6) Vince Change 7) 7 SERPS Update In these updates mainly here we will compare Panda and Penguin Algorithms only because these are very much competitive algorithms, launched by the Google. Each year, Google modified its search algorithm up to 500 – 600 times. Whereas most of these changes are negligible, every few months Google rolls out a “major” algorithmic update that affects search results in important ways. For search marketers, knowing the dates of these Google updates can help describe changes in rankings and gradual web portal traffic. Below, we’ve listed the major algorithmic changes that made the biggest impacts on search. [5] Algorithms are as follows: Panda & Penguin Google has announced a new Algorithm refresh that is Panda, making this version number 25. Google is launched its new update on this 14 march. Google has also announced its latest refresh that is Penguin, making this version number 4. Google is launched its new update on this 22 May. Panda (Content Level) Panda affects sites that pass a threshold for low-class or duplicate content on your site. If our website is punished under one of the Panda updates then the prime issue you should be focusing on is on-site content i.e. to eliminate or replace any content that is redundant, poorly written, or that does not do a decent job of resolving problems for visitors. Panda does not attack sites directly because of links. If our own site has only high-quality content and it is affected by a Panda update, this is because a large percentage of our links originated from sites with low-value content. In other words, the sites that connected to you were smash by Panda, which prepared those links less valuable. [6] IJERTV2IS60459 www.ijert.org 1006 PDF Image | Comparative Analysis of Various Google Algorithms and Their Effects on Performance of a Web Portal
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