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Spam filters used by Google in its algorithm

Antispam filters used by Google and how to work around them

 

The nightmare of Webmaster is to fall after a lot of work, in one of the penalties designed by Google to protect themselves from various techniques of modern web spam. I thought then to include a list of the various filters that Google does not declare officially, but that are visible to Seo's, and advice on how to work around them or avoid them. I took cue amend my second opinion from a list appeared in one of the discussions on Blog Searchengineland.com and proposal from an old Seo Expert, Joe Whyte.


 

Google Sandbox

Filter Sandbox is typically applied to the new web pages, but was noted its application on some domains slightly old. It has to do with the competitiveness of keywords and that the new pages may continue to position themselves well if the keywords are not very competitive. In other words if a new domain appears on the web dealing with a topic of strong competition, as could be the property or tourism, if the keywords in your content will be targeted to the exclusive products, the pages will be placed very high in the engine search for keywords.

Otherwise, it will be hard for the new domain, visibly positioning in the search results. It has been noted also behave like SandBox page, when a new domain indexed just suddenly change its content or its key leaders. The title, description, and Title ALT attributes. In this case Google that at first put on leave for pagerank page or the entire site (the window of PR Toolbar was zero but white) if there had been a penalty while continuing indexing pages regularly. (The back window is now grey)

How to avoid this: Google uses a system called Trusted Rank. The idea behind this filter is that if a page with a link to high pagerank your domain for the search engine your page also becomes worthy of that value, because if that authoritative page decided to trust your pages, Google trusts you accordingly is also your trust. A nice round of words that I hope is clear. To work around because you have found a authoritative link is quite complex for various reasons, then what you could do is groped to target the keywords (keywords) on topics less competitive, which We would climb in positions of the search engine. Moreover, in each case include a site on the network when they are already been completed preserves from having to change immediately after occours filter in this merciless!

Google -30:

This filter is applied to pages that attempt a Seo spam technique (Black hat Seo). If Google finds your pages making use of Doorway, java redirects, hidden text, etc.. Pages are relegated thirty positions in the search results. Under the technique used positions could get up to -950, as has been noted in some cases. Someone even for this thought that there is also a filter of -950 results.

How to avoiding this filter: If it is considered to be stumbled on this penalty is usually sufficient to eliminate spam elements to see the back pages in their old positions. You can always fill the reconsideration request of the pages, if the same through this filter had been completely excluded. An example? If your pages were the last 20 positions of the search engine you take away 30, you make sure debts, which to be extinct need an reconsideration request. Of course after the spam content has been removed!

Google Bombing:

This filter is applied to pages with a high number of backlinks with the same text Anchor . This raise a red flag in the search engine because it is extremely unnatural in a inbound link structure (Backlinks) the presence of the same anchor text on all links.

How to avoiding this filter: if your pages have been penalized by this filter, most likely the same is no longer in the indices of Google, that were bannate. The best resolution in this case is a question of reintegration or reconsideration. If this filter has not been applied, and we can see that many of our backlinks with which we trade, have the same anchor text, a solution would advise some of them to change the Anchor link, or to create more backlinks that have a different anchor text.

Google Bowling:

Not exactly a filter, but a series of techniques that cause the spam bann by indices, initialized by sites or webmasters of your competition. The Google Bowling is only possible with new pages that have no value in the eyes of the search engine. The groped this technique with the intention of making the site bannare rival, affirmed their domains Trust Rank, it is virtually useless.

How to avoid the filter: Google says that it is not possible by competitors unfair influence Serp's to the point to remove your site from. Many Seo's not believe in this, and recommended as the only solution a reconsideration request in the search engine.

Mirror Content:

The filtering is applied to duplicate pages that contain content already created and indexed elsewhere. The news sites (News) are exempt from the application of this filter. Usually the penalty is to be placed in a search result the site or page duplicate that that meant that it was chosen to appear in u search result. A page to be considered a duplicate should not necessarily be identical but exceed a certain percentage of similarity that Google did not want to declare. My advice is to keep the different contents on pages, for at least 65%.

How to avoid this: If you know that you copied the contents of other pages or the same site to other domains, the only remedy is to eliminate duplicate content, adding pages of a site, enough elements to bring down the percentage of plagiarism under to 65%. If you own the content you can 'ask the elimination of the same from the pages that have stolen, and also inform Google about plagiarism. This is to avoid being penalized at your time by the filter. And 'advisable to use Copyscape to Check for the existence of the pages that copy yours.

Google Supplemental results:

This filter takes pages already indexed by the search engine and part of a supplementary database. These are the pages where the engine does'nt trust too much for several reasons. Typically these pages are not well positioned on the search engine Google and second are extracted when the search engine does not find other results relating to searches. This means that pages of your domain included in the database additional help is not climbing positions. The formula to extract only the additional results and see if your domain has pages or is totally in those results is as follows:
  • site:domain.net/ = 136 Total pages including supplemental results!
  • site:domain.net/* = 24 Total pages in the primary index!
  • -site:domain.net/* +site:domain.net/ = 112 Pages in the supplemental results index!
  • Warning! The above method does not seem to be most active. I will inform you if there will be changes!

The results in response to various queries may not be accurate as shown above due to factors such as the total traffic on the data center approached when required or on the number of similar requests.



Ho to avoid this filter: The unique content and Farsi report from other web pages are the fastest way to leave the supplemental results. The title and description of pages They should never be the same or very similar. In many cases it is dynamically generated pages that have a very low content, which fails to exceed the percentage of plagiarism layout similar in all pages. Each page must necessarily have its own title and not divide it with other pages!

Domain name filter

This filter is closely linked to the Trust rank in the sandbox, but you can be out of the box of sand and have a good rank trusts, but seeing activate this filter. The purpose of this filter is that the older domains appear in a better position for their keywords and the one with a younger age. If you turn this filter on your pages, you will have to wait to see them slowly over time grow into positions.

How to avoid this filter: The quality and higher ranking of backlinks is a certain level, that help your position in Serps.

Links.html filter:

The use of reciprocal links is an old technique that SEO is somehow bad view from Google, which dissociates precisely applying this filter. According to my opinion is applied mainly on the new domains that want to start their careers just adding a page for links friends. This filter penalizes positions on the engine Research.

How to avoid this: Instead of using link.html, use another name, such as "myfriends.html", or "recommended.html".

Link Farm filter:

The link farms are pages where they are piled up hundreds of links to each theme and species. Many of them are known by the search engine which penalises. The part in certain trade is the best way to be penalized by this filter, which involves penalizing exclusion from the search results for hits in the Farms.

How to avoid this filter: Currently, the only way to avoid being penalized by this filter is not accepting trade with pages that offer hundreds of links without organization and theme.

Backlinks Co-quote:

This filter is quite popular, google watch carefully the structure of the links riferenti. If your link is on a page that its outgoing link between other links pages "casino's" pages with adult content, etc.., Google will think that your link has a relationship with those issues and this adversely affect the Trust rank of your domain. Our report to other pages seen through the eyes of Google, you can discover in WebMaster Tools, in our Sitemaps to voice Statistics -> Statistics index -> "Related."

How to avoid this filter: When you look for a link exchange with a potential partner, make sure that this does not have in its pages links that lead to these pages.

Fast Increase of Backlinks number:

This filter is applied when many backlinks appear suddenly in the space of a short time. This could cause to be banned by all search engines cha apply this filter.

How to avoid this filter: Never participate schemes "Black hat", Link Farms, etc..

Fast increased number of internal pages:

Everything which is unnatural ago label your domain or page with a red flag, indicating that there may be attempts at illegal Corsican. There are people who believe that five thousand pages is the limit to prevent us put under control pages, but in fact it seems that everything is according to the structure of the pages, the structure of the inbound links, etc..

Hot to work around this filter If your pages are generated automatically, tries to create a monthly number that is reasonable under the above five thousand.

Page Loading time:

The reason for this filter is very simple. If the page is too slow to load, the Spider incur in a Time Out and leaves indexing.

How to avoid this: Be sure that your pages have a relatively light weight, and that your graphics are equally simple to load. If you use the Flash, we recommend that the use of pre-loaded Java coding. Make sure that pages are accessible using CSS and the rules of Web 2.0

OOP Over optimization Penalty:

  OOP Over Optimization Penalty is a Criminal penalties from over optimization. The filter penalizes exactly what you want to achieve with the over-optimization, and that is a better position in the search engine.

Avoiding the over-optimization: off course only if you are in accordance with the character of recommended limit for meta tags in the Header. In logical order: title, description, keywords. In this order the maximum recommended are: 80, 200, 500! Character NOT Words :) !

And now a advice on the theme:

Always use the redirect 301 if you need to change partially or totally Url's pages. In other words, and examples, if the indexed page with the URL http://www.mydomain.com/example.html modified with http://www.mydomain.com/example-2.html the first page will be ; unreachable for a long time for the Spider, which does not penalise found the quality of the domain. Then after another step and another negative response, the search engine will decide to delete that page from its indices. Meanwhile, the new page will be indexed for the first time with all the problems that we know now, that is, in many cases, long delays and loss of positions and earn from the previous page.

We are at the end of the list of most popular filters or assumptions used by Google. The latest advice from good friend, is to scrupulously adhere to the advice given.


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