where N is the total number of all pages on the web. The second version of the algorithm, indeed, does not differ fundamentally from the first one. Regarding the Random Surfer Model, the second version's PageRank of a page is the actual probability for a surfer reaching that page after clicking on many links. The PageRanks then form a probability distribution over web pages, so the sum of all pages' PageRanks will be one.
Despite this many people seem to get it wrong! In particular “Chris Ridings of www.searchenginesystems.net” has written a paper entitled “PageRank Explained: Everything you’ve always wanted to know about PageRank”, pointed to by many people, that contains a fundamental mistake early on in the explanation! Unfortunately this means some of the recommendations in the paper are not quite accurate.
Larry Page and Sergey Brin developed PageRank at Stanford University in 1996 as part of a research project about a new kind of search engine.[12] Sergey Brin had the idea that information on the web could be ordered in a hierarchy by "link popularity": a page ranks higher as there are more links to it.[13] Rajeev Motwani and Terry Winograd co-authored with Page and Brin the first paper about the project, describing PageRank and the initial prototype of the Google search engine, published in 1998:[5] shortly after, Page and Brin founded Google Inc., the company behind the Google search engine. While just one of many factors that determine the ranking of Google search results, PageRank continues to provide the basis for all of Google's web-search tools.[14]
In the past, the PageRank shown in the Toolbar was easily manipulated. Redirection from one page to another, either via a HTTP 302 response or a "Refresh" meta tag, caused the source page to acquire the PageRank of the destination page. Hence, a new page with PR 0 and no incoming links could have acquired PR 10 by redirecting to the Google home page. This spoofing technique was a known vulnerability. Spoofing can generally be detected by performing a Google search for a source URL; if the URL of an entirely different site is displayed in the results, the latter URL may represent the destination of a redirection.
1. Now that we know that weight/PageRank/whatever will disappear (outside of the intrinsic wastage method that Google applies) when we use a ‘nofollow’ link, what do you think this will do to linking patterns? This is really a can of worms from an outbound linking and internal linking perspective. Will people still link to their ‘legals’ page from every page on their site? Turning comments ‘off’ will also be pretty tempting. I know this will devalue the sites in general, but we are not always dealing with logic here are we? (if we were you (as head of the web spam team) wouldn’t of had to change many things in the past. Changing the PageRank sculpting thing just being one of them).
For some business owners, they’ll think of a website. Others may think of social media, or blogging. In reality, all of these avenues of advertising fall in the category internet marketing and each is like a puzzle piece in a much bigger marketing picture. Unfortunately, for new business owners trying to establish their web presence, there’s a lot of puzzle pieces to manage.
In regards to link sculpting I think the pro’s of having the “no follow” attribute outweigh the few who might use it to link sculpt. Those crafty enough to link sculpt don’t actually need this attribute but it does make life easier and is a benefit. Without this attribute I would simply change the hierarchy of the internal linking structure of my site and yield the same results I would if the “no follow” attribute didn’t exist.

Totally agree — more does not always equal better. Google takes a sort of ‘Birds of a Feather’ approach when analyzing inbound links, so it’s really all about associating yourself (via inbound links) with websites Google deems high quality and trustworthy so that Google deems YOUR web page high quality and trustworthy. As you mentioned, trying to cut corners, buy links, do one-for-one trades, or otherwise game/manipulate the system never works. The algorithm is too smart.
In my experience this means (the key words are “not the most effective way”) a page not scored by Google (“e.g. my private link” – password protected, disallowed via robots.txt and/or noindex meta robots) whether using or not using rel=”nofollow” attribute in ‘links to’ is not factored into anything… because it can’t factor in something it isn’t allowed.

If you don’t want to rebuild an expired domain, just take its backlinks and allow the linkers to be aware of the “to-dead-resource” linking. You can ask a link-builder to replace non-working links with your website’s one. If the content is relevant, you can try to restore it. Be sure that you can make it better than it was before. Reach out and inform the link-builder about the renewed content.

Mega-sites, like http://news.bbc.co.uk have tens or hundreds of editors writing new content – i.e. new pages - all day long! Each one of those pages has rich, worthwile content of its own and a link back to its parent or the home page! That’s why the Home page Toolbar PR of these sites is 9/10 and the rest of us just get pushed lower and lower by comparison…
This guide is designed for you to read cover-to-cover. Each new chapter builds upon the previous one. A core idea that we want to reinforce is that marketing should be evaluated holistically. What you need to do is this in terms of growth frameworks and systems as opposed to campaigns. Reading this guide from start to finish will help you connect the many moving parts of marketing to your big-picture goal, which is ROI.

The leading search engines, such as Google, Bing and Yahoo!, use crawlers to find pages for their algorithmic search results. Pages that are linked from other search engine indexed pages do not need to be submitted because they are found automatically. The Yahoo! Directory and DMOZ, two major directories which closed in 2014 and 2017 respectively, both required manual submission and human editorial review.[39] Google offers Google Search Console, for which an XML Sitemap feed can be created and submitted for free to ensure that all pages are found, especially pages that are not discoverable by automatically following links[40] in addition to their URL submission console.[41] Yahoo! formerly operated a paid submission service that guaranteed crawling for a cost per click;[42] however, this practice was discontinued in 2009.


Keyword analysis. From nomination, further identify a targeted list of key­words and phrases. Review competitive lists and other pertinent industry sources. Use your preliminary list to determine an indicative number of recent search engine queries and how many websites are competing for each key­word. Prioritize keywords and phrases, plurals, singulars and misspellings. (If search users commonly misspell a keyword, you should identify and use it). Please note that Google will try to correct the term when searching, so use this with care.
Search results are presented in an ordered list, and the higher up on that list a site can get, the more traffic the site will tend to receive. For example, for a typical search query, the number one result will receive 40-60% of the total traffic for that query, with the number two and three results receiving significantly less traffic. Only 2-3% of users click beyond the first page of search results.
Honestly, this I’ve read your blog for about 4 or 5 years now and the more I read the less I cared about creating new content online because it feels like even following the “Google Rules” still isn’t the way to go because unlike standards, there is no standard. You guys can change your mind whenever you feel like and I can become completely screwed. So screw it. I’m done trying to get Google to find my site. With Twitter and other outlets and 60% of all Google usage is not even finding site but Spell Check, I don’t care anymore.

PageRank has been used to rank public spaces or streets, predicting traffic flow and human movement in these areas. The algorithm is run over a graph which contains intersections connected by roads, where the PageRank score reflects the tendency of people to park, or end their journey, on each street. This is described in more detail in "Self-organized Natural Roads for Predicting Traffic Flow: A Sensitivity Study".

We begin by gaining a sound understanding of your industry, business goals, and target audience. We follow a very formal marketing process for each social media strategy which includes in-depth discovery, market research, project planning, exceptional project management, training, consulting, and reporting. We also incorporate social media ads such as Facebook advertising into many marketing campaigns. As a top digital marketing agency we make social media recommendations that will be best for your business and offer the most engaging experience for your audience.

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