The eigenvalue problem was suggested in 1976 by Gabriel Pinski and Francis Narin, who worked on scientometrics ranking scientific journals,[8] in 1977 by Thomas Saaty in his concept of Analytic Hierarchy Process which weighted alternative choices,[9] and in 1995 by Bradley Love and Steven Sloman as a cognitive model for concepts, the centrality algorithm.[10][11]
Search engine optimization is a key part of online marketing because search is one of the primary ways that users navigate the web. In 2014, over 2.5 trillion searches were conducted worldwide across search engines such as Google, Bing, Yahoo, Baidu, and Yandex. For most websites, traffic that comes from search engines (known as "natural" or "organic" traffic) accounts for a large portion of their total traffic.

Black hat SEO attempts to improve rankings in ways that are disapproved of by the search engines, or involve deception. One black hat technique uses text that is hidden, either as text colored similar to the background, in an invisible div, or positioned off screen. Another method gives a different page depending on whether the page is being requested by a human visitor or a search engine, a technique known as cloaking. Another category sometimes used is grey hat SEO. This is in between black hat and white hat approaches, where the methods employed avoid the site being penalized, but do not act in producing the best content for users. Grey hat SEO is entirely focused on improving search engine rankings.
Heading tags. Always use H tags to optimize your content layout. Try and use variations on your keyphrases in some headings, too. Don’t repeat keyphrases in headings unless it’s absolutely necessary. (This doesn’t stop you from needing to repeat the keyphrase in the body of your content). H tags are HTML codes – you can find a link to HTML codes and how to use them at the end of this section.
Backlink is a link one website gets from another website. Backlinks make a huge impact on a website’s prominence in search engine results. This is why they are considered very useful for improving a website’s SEO ranking. Search engines calculate rankings using multiple factors to display search results. No one knows for sure how much weight search engines give to backlinks when listing results, however what we do know for certain is that they are very important.

Peter made a very good point in all of this, and Michael Martinez did in a backhanded way as well. Talking about a concept related PageRank sounds cool. It doesn’t actually have to be useful or practical, and it usually isn’t; but as long as the impression of something productive is given off, then that can be all that matters in the eyes of those who lack sufficient knowledge.
It is important for a firm to reach out to consumers and create a two-way communication model, as digital marketing allows consumers to give back feed back to the firm on a community based site or straight directly to the firm via email.[24] Firms should seek this long term communication relationship by using multiple forms of channels and using promotional strategies related to their target consumer as well as word-of mouth marketing.[24]
All in all, PageRank sculpting (or whatever we should call it) didn’t really rule my world. But, I did think that it was a totally legitimate method to use. Now that we know the ‘weight’ leaks, this will put a totally new (and more damaging) spin on things. Could we not have just left the ‘weight’ with the parent page? This is what I thought would happen most of the time anyway.
We regard a small web consisting of three pages A, B and C, whereby page A links to the pages B and C, page B links to page C and page C links to page A. According to Page and Brin, the damping factor d is usually set to 0.85, but to keep the calculation simple we set it to 0.5. The exact value of the damping factor d admittedly has effects on PageRank, but it does not influence the fundamental principles of PageRank. So, we get the following equations for the PageRank calculation:

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.


Ian Rogers first used the Internet in 1986 sending email on a University VAX machine! He first installed a webserver in 1990, taught himself HTML and perl CGI scripting. Since then he has been a Senior Research Fellow in User Interface Design and a consultant in Network Security and Database Backed Websites. He has had an informal interest in topology and the mathematics and behaviour of networks for years and has also been known to do a little Jive dancing.
Two other practical limitations can be seen in the case of digital marketing. One,digital marketing is useful for specific categories of products,meaning only consumer goods can be propagated through digital channels.Industrial goods and pharmaceutical products can not be marketed through digital channels. Secondly, digital marketing disseminates only the information to the prospects most of whom do not have the purchasing authority/power. And hence the reflection of digital marketing into real sales volume is skeptical.[citation needed]
If you’re a blogger (or a blog reader), you’re painfully familiar with people who try to raise their own websites’ search engine rankings by submitting linked blog comments like “Visit my discount pharmaceuticals site.” This is called comment spam, we don’t like it either, and we’ve been testing a new tag that blocks it. From now on, when Google sees the attribute (rel=“nofollow”) on hyperlinks, those links won’t get any credit when we rank websites in our search results.

While Google never sells better ranking in our search results, several other search engines combine pay-per-click or pay-for-inclusion results with their regular web search results. Some SEOs will promise to rank you highly in search engines, but place you in the advertising section rather than in the search results. A few SEOs will even change their bid prices in real time to create the illusion that they "control" other search engines and can place themselves in the slot of their choice. This scam doesn't work with Google because our advertising is clearly labeled and separated from our search results, but be sure to ask any SEO you're considering which fees go toward permanent inclusion and which apply toward temporary advertising.
This is also about expectations. Anyone that tries to sell you a get-rich-quick scheme is selling you short. There is no such thing. You have to put in the time and do the work, adding enormous amounts of value along the way. That's the truth of the matter and that's precisely what it takes. Once you understand that it's all about delivering sincere value, you need to understand where the money comes from.
If Google finds two identical pieces of content, whether on your own site, or on another you’re not even aware of, it will only index one of those pages. You should be aware of scraper sites, stealing your content automatically and republishing as your own. Here’s Graham Charlton’s thorough investigation on what to if your content ends up working better for somebody else.
Search queries—the words that users type into the search box—carry extraordinary value. Experience has shown that search engine traffic can make (or break) an organization's success. Targeted traffic to a website can provide publicity, revenue, and exposure like no other channel of marketing. Investing in SEO can have an exceptional rate of return compared to other types of marketing and promotion.
Email marketing is the practice of nurturing leads and driving sales through email communications with your customers. Like social media, the goal is to remind users that you’re here and your product is waiting. Unlike social media, however, you can be a lot more aggressive with your sales techniques, as people expect that email marketing will contain offers, product announcements and calls to action.
One thing that has worked well for me lately that can work well (and may help with the infographic promotion) is surveys. Google Forms allow you to create a survey for free. Think of interesting questions to your niche and start promoting the survey (ask well known influencers in your niche to share the survey with their social followers to help with responses. Offer them a link as a contributor once the survey is complete). Once you have a few hundred responses, you can create a commentary about your findings (Google also puts the data into graphs). If you have enough responses and the information is interesting, get in touch with the same bloggers who helped push it out there to see if they would be happy to share the results. The beauty of this method is that if the results are interesting enough, you might end up getting a link back from a huge news site.
Thanks for sharing this, Matt. I’m happy that you took the time to do so considering that you don’t have to. What I mean is, in an ideal world, there should be no such thing as SEO. It is the SE’s job to bring the right users to the right sites and it is the job of webmasters to cater to the needs of the users brought into their sites by SEs. Webmasters should not be concerned of bringing the users in themselves. (aside from offsite or sponsored marketing campaigns) The moment they do, things start to get ugly because SEs would now have to implement counter-measures. (To most SEO tactics) This becomes an unending spiral. If people only stick to their part of the equation, SEs will have more time to develop algorithms for making sure webmasters get relevant users rather than to develop algorithms for combating SEOs to ensure search users get relevant results. Just do your best in providing valuable content and Google will try their best in matching you with your users. Don’t waste time trying to second guess how Google does it so that you can present yourself to Google as having a better value than you really have. They have great engineers and they have the code—you only have a guess. At most, the SEO anyone should be doing is to follow the webmasters guidelines. It will benefit all. 

Google uses a hyperlink based algorithm (known as ‘PageRank’) to calculate the popularity and authority of a page, and while Google is far more sophisticated today, this is still a fundamental signal in ranking. SEO can therefore also include activity to help improve the number and quality of ‘inbound links’ to a website, from other websites. This activity has historically been known as ‘link building’, but is really just marketing a brand with an emphasis online, through content or digital PR for example.
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. 

Having a different description meta tag for each page helps both users and Google, especially in searches where users may bring up multiple pages on your domain (for example, searches using the site: operator). If your site has thousands or even millions of pages, hand-crafting description meta tags probably isn't feasible. In this case, you could automatically generate description meta tags based on each page's content.

Also given that the original reasons for implementing the ‘nofollow’ tag was to reduce comment spam (something that it really hasn’t had a great effect in combatting) – the real question I have is why did they ever take any notice of nofollow on internal links in the first place? It seems to me that in this case they made the rod for their own back.
Page and Brin's theory is that the most important pages on the Internet are the pages with the most links leading to them. PageRank thinks of links as votes, where a page linking to another page is casting a vote. The idea comes from academia, where citation counts are used to find the importance of researchers and research. The more often a particular paper is cited by other papers, the more important that paper is deemed. 

Paid-for links and ads on your site MUST have a nofollow attribute (see Google’s policy on nofollow). If you have paid links that are left followed, the search engines might suspect you are trying to manipulate search results and slap your site with a ranking penalty. Google’s Penguin algorithm eats manipulative paid links for lunch, so stay off the menu by adding nofollow attributes where applicable.
The internet was the little guy savior, simple sites could rank well locally. Sadly your company is in the process of destroying that. In this economy small business with zero page rank that are listed on page 22 of results, need to be found in order to survive. My customers are really suffering because of the work that is coming out of Google, it keeps getting worse. Their conversions are still good coming out of Yahoo and MSN and now Bing. They do not have the resources to produce blogs, forums, or $5,000 websites let alone pay for Adwords when they are just trying to pay rent and not a lot of people can do their own web production.

Black hat SEO is to be avoided. This is basically link spamming. You can pay somebody peanuts to do this on your behalf and, for a very short period, it brings results. Then Google sees what’s happened, and they delist your site permanently from search engine rankings. Now, you need a new website and new content, etc.—so, black hat SEO is a terrible idea.
Your Brand Persona and Target Audience. When you eventually start creating content, you have to know who you’re talking to and tailor your brand voice to appeal to them uniquely. If you aren’t targeting the right audience (those people who will lean in to hear what you’re saying), you won’t find success. And, if you can’t find a way to stand out, you’ll blend into the hordes of other brands competing for attention in your industry.
Links still matter as part of the algorithmic secret sauce. The influence of a site’s link profile is plain to see in its search engine rankings, whether for better or worse, and changes in that link profile cause noticeable movement up or down the SERP. An SEO’s emphasis today should be on attracting links to quality content naturally, not building them en masse. (For more on proper link building today, see http://bit.ly/1XIm3vf )

These are ‘tit-for-tat’ links. For instance, you make a deal with your friend who has a business website to have him place a link to your website, and in exchange your website links back to his. In the dark ages of SEO, this used to be somewhat effective. But these days, Google considers such 'link exchanges' to be link schemes, and you may get hit with a penalty if you're excessive and obvious about it. This isn't to say that swapping links is always bad, but if your only motive is SEO, then odds are that you shouldn't do it.
For Search Engines, backlinks help to determine the page’s importance and value (i.e. authority). Historically, the quantity of backlinks was an indicator of a page’s popularity.  Today, due to the way backlinks are evaluated based on different industry-related ranking factors, it is less quantity focused and more about the quality of sites from which the links are coming.
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.
By 2004, search engines had incorporated a wide range of undisclosed factors in their ranking algorithms to reduce the impact of link manipulation. In June 2007, The New York Times' Saul Hansell stated Google ranks sites using more than 200 different signals.[25] The leading search engines, Google, Bing, and Yahoo, do not disclose the algorithms they use to rank pages. Some SEO practitioners have studied different approaches to search engine optimization, and have shared their personal opinions.[26] Patents related to search engines can provide information to better understand search engines.[27] In 2005, Google began personalizing search results for each user. Depending on their history of previous searches, Google crafted results for logged in users.[28]

Keep resources crawlable. Blocking page resources can give Google an incomplete picture of your website. This often happens when your robots.txt file is blocking access to some or all of your page resources. If Googlebot doesn't have access to a page's resources, such as CSS, JavaScript, or images, we may not detect that it's built to display and work well on a mobile browser. In other words, we may not detect that the page is "mobile-friendly," and therefore not properly serve it to mobile searchers.


Private corporations use Internet marketing techniques to reach new customers by providing easy-to-access information about their products. The most important element is a website that informs the audience about the company and its products, but many corporations also integrate interactive elements like social networking sites and email newsletters.
So what happens when you have a page with “ten PageRank points” and ten outgoing links, and five of those links are nofollowed? Let’s leave aside the decay factor to focus on the core part of the question. Originally, the five links without nofollow would have flowed two points of PageRank each (in essence, the nofollowed links didn’t count toward the denominator when dividing PageRank by the outdegree of the page). 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.
Your social media strategy is more than just a Facebook profile or Twitter feed. When executed correctly, social media is a powerful customer engagement engine and web traffic driver. It’s easy to get sucked into the hype and create profiles on every single social site. This is the wrong approach. What you should do instead is to focus on a few key channels where your brand is most likely to reach key customers and prospects. This chapter will teach you how to make that judgment call.

SEO should be a core tactic in any marketing strategy. While it might seem difficult to understand at first, as long as you find the right course, book or audiobook, and devote your time to learning, you'll be in good shape. Considering that there are over 200+ ranking factors in Google's current algorithms, learning, digesting and successfully implementing good SEO tactics is essential to the success of your website or blog.
A great number of public networks call themselves “private”. That’s not true. If the network is advertised, it cannot be private. We witnessed cases when Google destroyed such public networks and all the websites which had used them. They are easy to be revealed due to a huge number of outbound homepage links which are irrelevant to each other. Their posts are short, and they cannot really block SEO crawlers.
When you comment on a blog post, you are usually allowed to include a link back to your website. This is often abused by spammers and can become a negative link building tool. But if you post genuine comments on high-quality blog posts, there can be some value in sharing links, as it can drive traffic to your site and increase the visibility of your brand.

Private corporations use Internet marketing techniques to reach new customers by providing easy-to-access information about their products. The most important element is a website that informs the audience about the company and its products, but many corporations also integrate interactive elements like social networking sites and email newsletters.
What are backlinks doing for your SEO strategy? Well, Google considers over 200 SEO ranking factors when calculating where a page should rank, but we know that backlinks are one of the top three (the other two are content and RankBrain, Google’s AI). So while you should always focus on creating high-quality content, link-building is also an important factor in ranking your pages well on Google. 

Page and Brin founded Google in 1998.[22] Google attracted a loyal following among the growing number of Internet users, who liked its simple design.[23] Off-page factors (such as PageRank and hyperlink analysis) were considered as well as on-page factors (such as keyword frequency, meta tags, headings, links and site structure) to enable Google to avoid the kind of manipulation seen in search engines that only considered on-page factors for their rankings. Although PageRank was more difficult to game, webmasters had already developed link building tools and schemes to influence the Inktomi search engine, and these methods proved similarly applicable to gaming PageRank. Many sites focused on exchanging, buying, and selling links, often on a massive scale. Some of these schemes, or link farms, involved the creation of thousands of sites for the sole purpose of link spamming.[24]
When writing this guide, we reached out to the marketer community to collect case studies and learnings about creative marketing strategies. Most of these examples are included throughout the guide, but some didn’t quite fit. So we included those loose ends here, from the perspective of four awesome marketers. What better way to wrap up this guide than with you, our community?
How many times do we need to repeat the calculation for big networks? That’s a difficult question; for a network as large as the World Wide Web it can be many millions of iterations! The “damping factor” is quite subtle. If it’s too high then it takes ages for the numbers to settle, if it’s too low then you get repeated over-shoot, both above and below the average - the numbers just swing about the average like a pendulum and never settle down.
Most people who used the Google Toolbar probably never went through the effort of enabling the PageRank meter, which Google offered as an incentive to web surfers, a way for them to understand the quality of pages encountered when browsing (and a way for Google to understand what people were viewing beyond Google itself). But one group was very inclined to make the effort: SEOs.
Just like the new structure on JavaScript links and them now carrying weight and being crawlable, the PageRank sculpting change is understandable. Google now can and wants to index more of the web (JavaScript link change). Google wants to reverse a method that can only help people in the know (PageRank sculpting change). Logically, all is very understandable.

Internet marketing is a number of things. And true success in the field involves an immersion into several skill sets that are required if you really want to succeed at the highest level. That's why I knew I needed to go the top of the food chain of online marketers to get an understanding of what this actually takes. And it's important to note that while there are many hyped-up gurus out there, there are also genuine individuals that aren't just looking to extract money from you.
Links still matter as part of the algorithmic secret sauce. The influence of a site’s link profile is plain to see in its search engine rankings, whether for better or worse, and changes in that link profile cause noticeable movement up or down the SERP. An SEO’s emphasis today should be on attracting links to quality content naturally, not building them en masse. (For more on proper link building today, see http://bit.ly/1XIm3vf )
We can’t know the exact details of the scale because, as we’ll see later, the maximum PR of all pages on the web changes every month when Google does its re-indexing! If we presume the scale is logarithmic (although there is only anecdotal evidence for this at the time of writing) then Google could simply give the highest actual PR page a toolbar PR of 10 and scale the rest appropriately.
There are plenty of guides to marketing. From textbooks to online video tutorials, you can really take your pick. But, we felt that there was something missing — a guide that really starts at the beginning to equip already-intelligent professionals with a healthy balance of strategic and tactical advice. The Beginner’s Guide to Online Marketing closes that gap.
The probability for the random surfer not stopping to click on links is given by the damping factor d, which is, depending on the degree of probability therefore, set between 0 and 1. The higher d is, the more likely will the random surfer keep clicking links. Since the surfer jumps to another page at random after he stopped clicking links, the probability therefore is implemented as a constant (1-d) into the algorithm. Regardless of inbound links, the probability for the random surfer jumping to a page is always (1-d), so a page has always a minimum PageRank.
Think about the words that a user might search for to find a piece of your content. Users who know a lot about the topic might use different keywords in their search queries than someone who is new to the topic. For example, a long-time football fan might search for [fifa], an acronym for the Fédération Internationale de Football Association, while a new fan might use a more general query like [football playoffs]. Anticipating these differences in search behavior and accounting for them while writing your content (using a good mix of keyword phrases) could produce positive results. Google Ads provides a handy Keyword Planner34 that helps you discover new keyword variations and see the approximate search volume for each keyword. Also, Google Search Console provides you with the top search queries your site appears for and the ones that led the most users to your site in the Performance Report35.
Changes to the algorithms that produce search engine rankings can place a heightened focus on relevance to a particular topic. While some backlinks might be from sources containing highly valuable metrics, they could also be unrelated to the consumer's query or interest. An example of this would be a link from a popular shoe blog (with valuable metrics) to a site selling vintage pencil sharpeners. While the link appears valuable, it provides little to the consumer in terms of relevance.
Matt, you don’t mention the use of disallow pages via robots.txt. I’ve read that PageRank can be better utilised by disallowing pages that probably don’t add value to users searching on engines. For example, Privacy Policy and Terms of Use pages. These often appear in the footer of a website and are required by EU law on every page of the site. Will it boost the other pages of the site if these pages are added to robots.txt like so?
Thanks a lot for all of those great tips you handed out here. I immediately went to work applying the strategies that you mentioned. I will keep you posted on my results. I have been offering free SEO services to all of my small business bookkeeping clients as a way of helping them to grow their businesses. Many of them just don’t have the resources required to hire an SEO guru to help them but they need SEO bad. I appreciate the fact that you share your knowledge and don’t try to make it seem like it’s nuclear science in order to pounce on the innocent. All the best to you my friend!
Secondly, nofollow is also essential on links to off-topic pages, whether they’re internal or external to your site. You want to prevent search engines from misunderstanding what your pages are about. Linking relevant pages together reinforces your topic relevance. So to keep your topic silos clear, strategic use of the nofollow attribute can be applied when linking off-topic pages together.
There’s a lot of frustration being vented in this comments section. It is one thing to be opaque – which Google seems to be masterly at – but quite another to misdirect, which is what No Follow has turned out to be. All of us who produce content always put our readers first, but we also have to be sensible as far as on page SEO is concerned. All Google are doing with this kind of thing is to progressively direct webmasters towards optimizing for other, more reliable and transparent, ways of generating traffic (and no, that doesn’t necessarily mean Adwords, although that may be part of the intent).
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