For search engine optimization purposes, some companies offer to sell high PageRank links to webmasters.[40] As links from higher-PR pages are believed to be more valuable, they tend to be more expensive. It can be an effective and viable marketing strategy to buy link advertisements on content pages of quality and relevant sites to drive traffic and increase a webmaster's link popularity. However, Google has publicly warned webmasters that if they are or were discovered to be selling links for the purpose of conferring PageRank and reputation, their links will be devalued (ignored in the calculation of other pages' PageRanks). The practice of buying and selling links is intensely debated across the Webmaster community. Google advises webmasters to use the nofollow HTML attribute value on sponsored links. According to Matt Cutts, Google is concerned about webmasters who try to game the system, and thereby reduce the quality and relevance of Google search results.[40]
Matt, this is an excellent summary. I finally got around to reading “The Search” by John Battelle and it was very enlightening to understand much of the academia behind what led to the creation of Backrub.. er Google.Looking at how many times the project was almost shutdown due to bandwidth consumption (> 50% of what the university could offer at times) as well as webmasters being concerned that their pages would be stolen and recreated. It’s so interesting to see that issues we see today are some of the same ones that Larry and Sergey were dealing with back then. As always, thanks for the great read Matt!
I think it is important you distinguish your advice about no-following INTERNAL links and no-following EXTERNAL links for user-generated content. Most popular UGC-heavy sites have no-followed links as they can’t possibly police them editorially & want to give some indication to the search engines that the links haven’t been editorially approved, but still might provide some user benefit.
As Rogers pointed out in his classic paper on PageRank, the biggest takeaway for us about the eigenvector piece is that it’s a type of math that let’s you work with multiple moving parts. “We can go ahead and calculate a page’s PageRank without knowing the final value of the PR of the other pages. That seems strange but, basically, each time we run the calculation we’re getting a closer estimate of the final value. So all we need to do is remember the each value we calculate and repeat the calculations lots of times until the numbers stop changing much.”

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The new digital era has enabled brands to selectively target their customers that may potentially be interested in their brand or based on previous browsing interests. Businesses can now use social media to select the age range, location, gender and interests of whom they would like their targeted post to be seen by. Furthermore, based on a customer's recent search history they can be ‘followed’ on the internet so they see advertisements from similar brands, products and services,[38] This allows businesses to target the specific customers that they know and feel will most benefit from their product or service, something that had limited capabilities up until the digital era.
So what happens when you have a page with “ten PageRank points” and ten outgoing links, and five of those links are nofollowed? […] Originally, the five links without nofollow would have flowed two points of PageRank each […] More than a year ago, Google changed how the PageRank flows so that the five links without nofollow would flow one point of PageRank each.
The amount of link juice passed depends on two things: the number of PageRank points of the webpage housing the link, and the total number of links on the webpage that are passing PageRank. It’s worth noting here that while Google will give every website a public-facing PageRank score that is between 1 and 10, the “points” each page accumulates from the link juice passed by high-value inbound links can — and do — significantly surpass ten. For instance, webpages on the most powerful and significant websites can pass link juice points in the hundreds or thousands. To keep the rating system concise, Google uses a lot of math to correlate very large (and very small) PageRank values with a neat and clean 0 to 10 rating scale.
If you’re just getting started with SEO, you’re likely to hear a lot about “backlinks,” “external and internal links,” or “link building.” After all, backlinks are an important SEO ranking factor for SEO success, but as a newbie, you may be wondering: what are backlinks? SEO changes all the time — do backlinks still matter? Well, wonder no more. Say hello to your definitive guide to backlinks and their significance in SEO. 

PageRank was influenced by citation analysis, early developed by Eugene Garfield in the 1950s at the University of Pennsylvania, and by Hyper Search, developed by Massimo Marchiori at the University of Padua. In the same year PageRank was introduced (1998), Jon Kleinberg published his work on HITS. Google's founders cite Garfield, Marchiori, and Kleinberg in their original papers.[5][18]
But this leads to a question — if my husband wants to do a roundup of every Wagner Ring Cycle on DVD, that’s about 8 Amazon links on the page, all bleeding PR away from his substantive insights. If he, instead, wants to do a roundup of every Ring Cycle on CD, that’s about two dozen items worth discussing. The page would be very handy for users, and would involve considerably more effort on his part… but no good deed goes unpunished, and in the eyes of Google the page would be devalued by more than two thirds.

Do you regularly publish helpful, useful articles, videos or other types of media that are popular and well produced? Do you write for actual human beings rather than the search engine itself? Well, you should. Latest research from Searchmetrics on ranking factors indicates that Google is moving further towards longer-form content that understands a visitor’s intention as a whole, instead of using keywords based on popular search queries to create content.
If you are serious about improving web traffic to your website, we recommend you read Google Webmasters and Webmaster Guidelines. These contain the best practices to help Google (and other search engines) find, crawl, and index your website. After you have read them, you MUST try our Search Engine Optimization Tools to help you with Keyword Research, Link Building, Technical Optimization, Usability, Social Media Strategy and more.
5. Link building. In some respects, guest posting – one popular tactic to build links, among many other benefits – is just content marketing applied to external publishers. The goal is to create content on external websites, building your personal brand and company brand at the same time, and creating opportunities to link back to your site. There are only a handful of strategies to build quality links, which you should learn and understand as well.
“NOTE: You may be curious what your site’s or your competitor’s PR score is. But Google no longer reveals the PageRank score for websites. It used to display at the top of web browsers right in the Google Toolbar, but no more. And PR data is no longer available to developers through APIs, either. Even though it’s now hidden from public view, however, PageRank remains an important ingredient in Google’s secret ranking algorithms.”
On another note, I would like to express my contempt for Google and its so called terms of service regarding the legitimate acquisition of links. why should it care if links are paid for or not? Thanks to the invention of pagerank, it is Google itself that has cancelled out reciprocal linking and has stopped people giving out links due to fear of them losing pagerank, and blogs and forums are worthless thanks to the nofollow trick. so it is now impossible to get decent links organically, without having to pay for them, and those who do give out free links are considered fools. Google has brought this dilemma on itself, and yet it seems like punishing us for trying to get links other than freely! Face facts, no one is going to link to someone without getting a link in return! google has invented pagerank which is like a currency, and so people expect to be paid for links, as giving out links devalues their pagerank and so compensation is now required. It is forcing people to use underhand methods to get links, mostly the ‘paid’ variety.
Great post. I’m posting a link back to this article from our blog along with some comments. I do have a question. In your article, you post “The only place I deliberately add a nofollow is on the link to my feed, because it’s not super-helpful to have RSS/Atom feeds in web search results.” Yet when I look at this article, I noticed that the comment links are “external, nofollow”. Is there a reason for that?
Contrary, in the first version of the algorithm the probability for the random surfer reaching a page is weighted by the total number of web pages. So, in this version PageRank is an expected value for the random surfer visiting a page, when he restarts this procedure as often as the web has pages. If the web had 100 pages and a page had a PageRank value of 2, the random surfer would reach that page in an average twice if he restarts 100 times.
[43] Katja Mayer views PageRank as a social network as it connects differing viewpoints and thoughts in a single place. People go to PageRank for information and are flooded with citations of other authors who also have an opinion on the topic. This creates a social aspect where everything can be discussed and collected to provoke thinking. There is a social relationship that exists between PageRank and the people who use it as it is constantly adapting and changing to the shifts in modern society. Viewing the relationship between PageRank and the individual through sociometry allows for an in-depth look at the connection that results.

Why do so many people spend so much time researching SEO and page rank? Its really not that hard to figure out, (I am speaking in a nice tone by the way =) – all you should need to be focusing on is advertising and building your website in a manner that is ethical, operational and practical for the content and industry that your website is in/about. If you are not up-to-something, then google will know it, and they will rank you accordingly. If you spend so much time trying to figure out how to get to the top, I bet you google spends triple that time figuring out how to figure out how your trying to get to the top. So and and so forth…and your not going to win. Have good content not copied, stay away from to many out bound links especially affiliates, post your backlinks at places that have something to do with your site, etc etc… Is it an American thing, I don’t seem to see it as bad in other places of the world, that is “always trying to figure out an easy way, a quick fix, a way to not have to put in the effort…” anyway… Thanks for letting me vent. Please not nasty replies. Keep it to your self = )
Companies often use email marketing to re-engage past customers, but a “Where’d You Go? Want To Buy This?” message can come across as aggressive, and you want to be careful with your wording to cultivate a long-term email subscriber. This is why JetBlue’s one year re-engagement email works so well -- it uses humor to convey a sense of friendliness and fun, while simultaneously reminding an old email subscriber they might want to check out some of JetBlue’s new flight deals.
If you’re just getting started with SEO, you’re likely to hear a lot about “backlinks,” “external and internal links,” or “link building.” After all, backlinks are an important SEO ranking factor for SEO success, but as a newbie, you may be wondering: what are backlinks? SEO changes all the time — do backlinks still matter? Well, wonder no more. Say hello to your definitive guide to backlinks and their significance in SEO.
Due to the importance of backlinks, there are lots of bad practices followed by website owners to gain backlinks. Some of these bad practices are: purchasing backlinks, link exchange networks, selling backlinks, etc. Most of these practices are not recommended by search engines. They usually deindex and penalize websites suspected of involvement in such practices.
PageRank always was and remains only one part of the Google search algorithm, the system that determines how to rank pages. There are many other ranking factors that are also considered. A high PageRank score did NOT mean that a page would rank well for any topic. Pages with lower scores could beat pages with higher scores if they had other factors in their favor.
Well, it seems that what this article says, is that the purpose of the no-follow link is to take the motivation away from spammers to post spam comments for the purpose of the link and the associated page rank flow; that the purpose of no-follow was never to provide a means to control where a page’s pagerank flow is directed. It doesn’t seem that shocking to me folks. 

Thanks for the info on nofollow and pagerank. It makes sense that this will always be a moving target less everyone will eventually game the system until it’s worthless but at the same time it’s worth it to know a few tricks. I still have open concerns on how freshness of content factor in, the only time i’m ever annoyed by search results these days is when the only links available (on the first page at least) are articles from 4 years ago.

9. Troubleshooting and adjustment. In your first few years as a search optimizer, you’ll almost certainly run into the same problems and challenges everyone else does; your rankings will plateau, you’ll find duplicate content on your site, and you’ll probably see significant ranking volatility. You’ll need to know how to diagnose and address these problems if you don’t want them to bring down the effectiveness of your campaign.
Web designers are code-writers and graphics experts that are responsible for developing and implementing the online image of the product. This role involves creating not only the look of websites and applications, but engineering the user experience. A web designer should always pay attention to how easy the materials are to read and use, ensuring smooth interactions for the customer and making sure the form of the materials serve the function of the campaign.
I think Google will always be working to discern and deliver “quality, trustworthy” content and I think analyzing inbound links as endorsements is a solid tool the SE won’t be sunsetting anytime soon. Why would they? If the president of the United States links to your page that is undoubtedly an endorsement that tells Google you’re a legitimate trusted source. I know that is an extreme example, but I think it illustrates the principals of a linking-as-endorsement model well.
If you're serious about finding your voice and discovering the secrets to success in business, one of the best people to follow is Gary Vanyerchuck, CEO of Vayner Media, and early-stage invest in Twitter, Uber and Facebook, has arbitraged his way into the most popular social media platforms and built up massive followings and often spills out the secrets to success in a highly motivating and inspiring way.
SEO is an acronym for "search engine optimization" or "search engine optimizer." Deciding to hire an SEO is a big decision that can potentially improve your site and save time, but you can also risk damage to your site and reputation. Make sure to research the potential advantages as well as the damage that an irresponsible SEO can do to your site. Many SEOs and other agencies and consultants provide useful services for website owners, including:
I think I did it by nature 🙂 I am just starting to learn all SEO and SERP stuffs. PageRank only entered my life when I quit the job last month. I don’t rush and I believe in a more natural way to get traffics, such as trying hard to create good contents and releasing some GPL works. You give something, and traffic flows in return. It’s Newton III Law. No sculpting, nor illegal way is necessary.

It’s important to monitor the backlinks your site is accumulating. First, you can verify that your outreach is working. Second, you can monitor if you pick up any shady backlinks. Domains from Russia and Brazil are notorious origins of spam. Therefore, it can be wise to disavow links from sites originating from this part of the world through Google Search Console as soon as you find them – even if they haven’t impacted your site… yet.
Google will like your content if your clients like it. The content should be helpful and contain less information which is already known to the reader. It is to meet their expectations. When users vote for your site, it means that Google starts accepting it as an authority site. That’s why content writing is as important as a speech of a candidate for the Presidency. The better it is, the more visitors you have.
And looking at say references would it be a problem to link both the actual adress of a study and the DOI (read DOI as anything similar)? Even if they terminate at the same location or contain the same information? The is that it feels better to have the actual adress since the reader should be able to tell which site they reach. But also the DOI have a function.
Unfortunately, SEO is also a slow process. You can make “quick wins” in markets which are ill-established using SEO, but the truth is that the vast majority of useful keyphrases (including long-tail keyphrases) in competitive markets will already have been optimized for. It is likely to take a significant amount of time to get to a useful place in search results for these phrases. In some cases, it may take months or even years of concentrated effort to win the battle for highly competitive keyphrases.

If you’re Matt Cutts and a billion people link to you because you’re the Spam guy at Google, writing great content is enough. For the rest of us in hypercompetitive markets, good content alone is not enough. There was nothing wrong with sculpting page rank to pages on your site that make you money as a means of boosting traffic to those pages. It’s not manipulating Google, there’s more than enough of that going on in the first page of results for most competitive keywords. Geez Matt, give the little guy a break!


For example, what are the quality and quantity of the links that have been created over time? Are they natural and organic links stemming from relevant and high quality content, or are they spammy links, unnatural links or coming from bad link neighborhoods? Are all the links coming from the same few websites over time or is there a healthy amount of global IP diversification in the links?

It is interesting to read the article which however as others have commented leaves questions unanswered. The ideal internal page rank flow is clearly down the hierarchy and back up again evidently and no page to page links down the line. If this effect is big enough to have provoked an algorithm change then it must be substantial. Removing those related product links altogether would improve ranking and degrade the user experience of the site which surely is undesirable. I suspect the lesser of two evils was chosen.
For example, what are the quality and quantity of the links that have been created over time? Are they natural and organic links stemming from relevant and high quality content, or are they spammy links, unnatural links or coming from bad link neighborhoods? Are all the links coming from the same few websites over time or is there a healthy amount of global IP diversification in the links?
According to the U.S. Commerce Department, consumers spent $453.46 billion on the web for retail purchases in 2017, a 16.0% increase compared with $390.99 billion in 2016. That’s the highest growth rate since 2011, when online sales grew 17.5% over 2010. Forrester predicts that online sales will account for 17% of all US retail sales by 2022. And digital advertising is also growing strongly; According to Strategy Analytics, in 2017 digital advertising was up 12%, accounting for approximately 38% of overall spending on advertising, or $207.44 billion.

As I was telling Norman above, these days what we’ve come to call content marketing is really a big part of “link building.” You can’t buy links, and “you link to me I’ll link to you” requests often land on deaf ears. Its really all about creating high quality content (videos, images, written blog posts) that appeals to the needs/wants of your target market, and then naturally earning inbound links from sources that truly find what you have to offer worth referencing.


A press release can serve double duty for marketing efforts. It can alert media outlets about your news and also help your website gain backlinks. But it can only build links effectively if executed properly. Only write and distribute press releases when a brand has something newsworthy or interesting to share Click & Tweet! . This strategy can gain links on the actual press release post as well as on the stories that media outlets write about it.
PageRank gets its name from Google cofounder Larry Page. You can read the original ranking system to calculate PageRank here, if you want. Check out the original paper about how Google worked here, while you’re at it. But for dissecting how Google works today, these documents from 1998 and 2000 won’t help you much. Still, they’ve been pored over, analyzed and unfortunately sometimes spouted as the gospel of how Google operates now.
The truth? Today, rising above the noise and achieving any semblance of visibility has become a monumental undertaking. While we might prevail at searching, we fail at being found. How are we supposed to get notice while swimming in a sea of misinformation and disinformation? We've become immersed in this guru gauntlet where one expert after another is attempting to teach us how we can get the proverbial word out about our businesses and achieve visibility to drive more leads and sales, but we all still seem to be lost.
Another reason to achieve quality backlinks is to entice visitors to come to your website. You can't build a website, and then expect that people will find your website without pointing the way. You will probably have to get the word out there about your site. One way webmasters got the word out used to be through reciprocal linking. Let's talk about reciprocal linking for a moment.
The PageRank algorithm outputs a probability distribution used to represent the likelihood that a person randomly clicking on links will arrive at any particular page. PageRank can be calculated for collections of documents of any size. It is assumed in several research papers that the distribution is evenly divided among all documents in the collection at the beginning of the computational process. The PageRank computations require several passes, called “iterations”, through the collection to adjust approximate PageRank values to more closely reflect the theoretical true value.
The PageRank algorithm has major effects on society as it contains a social influence. As opposed to the scientific viewpoint of PageRank as an algorithm the humanities instead view it through a lens examining its social components. In these instances, it is dissected and reviewed not for its technological advancement in the field of search engines, but for its societal influences.[42] Laura Granka discusses PageRank by describing how the pages are not simply ranked via popularity as they contain a reliability that gives them a trustworthy quality. This has led to a development of behavior that is directly linked to PageRank. PageRank is viewed as the definitive rank of products and businesses and thus, can manipulate thinking. The information that is available to individuals is what shapes thinking and ideology and PageRank is the device that displays this information. The results shown are the forum to which information is delivered to the public and these results have a societal impact as they will affect how a person thinks and acts.
Online marketing, also called digital marketing, is the process of using the web and internet-connected services to promote your business and website. There are a number of disciplines within online marketing. Some of these include social media, search engine marketing (SEM), search engine optimization (SEO), email marketing, online advertising and mobile advertising.
One of the earliest adopters of Internet marketing in the world of Fortune 500 companies was the Coca-Cola Corporation. Today, this huge purveyor of soft drinks has one of the strongest online portfolios in the world. More than 12,000 websites link to the Coca-Cola homepage, which itself is a stunning display of Internet savvy. Their homepage alone sports an auto-updating social network column, an embedded video, a unique piece of advertising art, frequently rotating copy, an opt-in user registration tab, tie-in branding with pop culture properties, and even a link to the company's career opportunities page. Despite how busy that sounds, the Coca-Cola homepage is clean and easy to read. It is a triumph of Internet marketing for its confidence, personality, and professionalism.
On another note, I would like to express my contempt for Google and its so called terms of service regarding the legitimate acquisition of links. why should it care if links are paid for or not? Thanks to the invention of pagerank, it is Google itself that has cancelled out reciprocal linking and has stopped people giving out links due to fear of them losing pagerank, and blogs and forums are worthless thanks to the nofollow trick. so it is now impossible to get decent links organically, without having to pay for them, and those who do give out free links are considered fools. Google has brought this dilemma on itself, and yet it seems like punishing us for trying to get links other than freely! Face facts, no one is going to link to someone without getting a link in return! google has invented pagerank which is like a currency, and so people expect to be paid for links, as giving out links devalues their pagerank and so compensation is now required. It is forcing people to use underhand methods to get links, mostly the ‘paid’ variety.
By building enormous amounts of value, Facebook and Google both became tremendously successful. They didn't focus on revenues at the outset. They focused on value. And every single blog and business must do the same. While this might run contrary to someone who's short on cash and hoping that internet marketing is going to bring them a windfall overnight, it doesn't quite work that way.

On a blog the page rank should go to the main article pages. Now it just gets “evaporated” if you use “nofollow” or scattered to all the far flung nooks and crannys which means google will not be able to see the wood for the trees. The vast majority of a site’s overall page rank will now reside in the long tail of useless pages such as commentors profile pages. This can only make it harder for google to serve up the most relevant pages.
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