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Yes, Google May Ignore Some of Your Links

Ignored Links

When Google crawls the web, they try to be smart about how they manage and prioritise their resources. There is variety of clues and signals helping them decide what document to crawl and index and how deep to go on a certain path. The idea is to yield the most value from the crawling capacity available. Some web documents structures go in loops or create infinite structures others have many unique URLs but of really low value to users. Google has made a variety of documents available to webmasters to help us understand their crawling and indexing process.

We also have Google Webmaster Tools, and in the “Health > Index Status” section there’s an interactive diagram showing how many pages are in index, how many documents/URLs were crawled in total, how many were removed, blocked and also – not selected.

Ignored URLs

The “not selected” URLs are basically those who have for one reason or another been ignored by Google.

What a lot of webmasters don’t realise is that Google does the same thing with the link graph. The original PageRank formula works on a relatively simple principle, which was at the time thought to be spam-proof. In time, people realised the value of links and understood the impact anchor text and PageRank had on their rankings. So for years now Google has been refining their core algorithm in order to keep the results as free from manipulation as possible.

As a result Google will look at all your links and “categorise” them so to speak into “selected” and “ignored”. Selected links are valid part of the link graph and they impact websites’ ability to rank, while the ignored links are largely commonly known “fluff” such as domain information websites, parked domains and certain types of other websites which links are of no particular use to Google’s ranking algorithm.

Interestingly a subset of both are also “manipulative” (also known as “inorganic” or “unnatural”) links. From our observations so far it appears that websites with a certain amount of inorganic links go though a granular treatment. For example, a few detected unnatural links pointing to your website may simply be moved to an equivalent of the ignored links, but their record is kept. A slightly more excessive presence of manipulative links over time may lead to an unnatural link warning where Google advises they have ignored certain links, but trust your website as a whole.

At certain point a page may start to see negative impact due to presence of inorganic links, in particular when Google is unsure if they managed to catch and ignore all unnatural link occurrences. Let’s call this a “just in case” scenario.

There are of course stronger actions Google’s algorithm (and the webspam team) can apply to a page or a website, but the purpose of this article is to point out at the fact that some of your links may already be ignored.

This is good to know, especially if you’re continuing to invest your time and money on an ongoing basis, unaware that the links you’re securing (or maintaining) are not a factor in your website’s success in search results.

Here are some common link schemes with common, obvious footprints:

  1. Paid links
  2. Your own websites
  3. Link exchange programmes
  4. Low quality guest posts
  5. Distributed articles
  6. Low quality directories
  7. Fake user profiles
  8. Social network or bookmark spam

How can you be sure?

Do a test. If you know that you’ve got some dodgy links take them down and monitor the impact on your rankings. If there is none, it’s likely they’ve been ignored the whole time. So if you’ve been paying for those links, go ahead and re-distribute the funds towards improving user experience and producing useful, engaging content for your site. Remember if there links that you’re unable to take down even if you try, there’s always the link disavow tool at your disposal.

Link Clean-up Tip

Ignored links which do not impact your website in either positive or negative way are not always included in Google Webmaster Tools links section.

John Mueller

According to John Mueller from Google, “selected” links (including the ones which may be having negative impact) are likely to be included. This means that you can rely on Google Webmaster Tools for hunting down any bad links you may have. John also advises that other link analysis tools may be helpful as well in particular due to their ability to sort, manipulate and export link information in more detail and control.

Dan Petrovic, the managing director of DEJAN, is Australia’s best-known name in the field of search engine optimisation. Dan is a web author, innovator and a highly regarded search industry event speaker.

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