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Google PageRank - what is it?
Website PR is...
PageRank (PR) is a website evaluation criterion used by the Google search engine. This indicator indicates the authority of the Internet resource from Google’s point of view. The main difference between PageRank and TCI is that this indicator is calculated separately for each page of an Internet project. When forming the value, internal linking is taken into account, as well as links leading from other sites.
The PR indicator is related to the number of links leading to the site. To ensure an increase in PageRank, you can place paid links, register in “white” directories, and exchange hyperlinks with web projects on similar topics. Articles containing a link to the promoted site are considered a fairly effective method.
How to check a website's PR - installing an informer
If you wish, you can install a special counter button on the pages of your web project. This will allow you to check the pagerank of a site by simply visiting your resource. You can get the informer code via this link http://mainspy.ru/schetchik_tic. The counter will allow you not only to check the website’s PR, but also to demonstrate this indicator to visitors (including potential advertisers).
Website PR - what is it? Find out using specialized services
There are special online services that allow you to determine PageRank. To check the PR, you can go to http://www.cy-pr.com/. This service provides a large amount of information about the Internet resource:
- expiration of the domain registration period;
- hosting, server IP address;
- download speed;
- page encoding;
- visibility in search engines, etc.
If you use the Firefox or Internet Explorer browser, then checking PR pages can be done using the special Google Toolbar application.
Mass PR check is performed by the service http://www.raskruty.ru/tools/cypr/. Each domain name must be entered in a special form on a new line. Using this tool, a mass PR check of up to 100 sites is carried out.
How to find out PageRank using programs
A very convenient tool for SEO analysis is the free program Site Auditor. It allows you to find out PR, as well as check the position of an Internet resource in search engines. In addition, the webmaster will be able to determine how many pages of the site are indexed by search engines. You need to enter the domain name in the http:// field to determine the PR of the site; the check is carried out within a few seconds.
How to check PR pages
If you need to set the PageRank of a single document, you can use the http://xseo.in/ipr service. This system makes it possible to check up to 35 documents in one session. In addition, you can add an RDS bar module to your browser, designed for comprehensive SEO analysis. In addition to PageRank, this module determines the site’s CMS, the approximate number of incoming links, and many other indicators.
Hello, dear readers of the blog site! Well, the time has come to take a closer look at the consideration and definition PageRank indicator to understand the essence of the mechanism that Mr. Google uses when ranking resources and individual web pages.
This is very important, since the PR value of a particular web page directly affects the level of its authority in the eyes of Google. However, it should be noted that Page Rank is not the dominant factor in determining the position of a page in search results and is taken into account last, otherwise, when entering any query, users would receive only documents with high PR in the TOP, which is far from the case. However, other things being equal, the ranking indicators are given to web pages with a high Google PageRank value.
And this situation often happens, especially with monosyllabic queries, which is why this part of SEO optimization is so significant. Agree, in order to be at least in the top ten search results, you need to take into account even the most insignificant, at first glance, nuances. Now we are talking about the influence of PR () on the position of website pages in search, but there is another reason for the increase in this indicator for those who sell links. We will talk about this method of making money on the site later in subsequent publications.
Let me note right away that it is not possible to fully comprehend the mystery of Google’s algorithm for calculating PageRank, since it simply does not exist in the primary sources. However, some information is known that allows us to understand, if not all the ins and outs, then at least the general rule for determining the PR pages of a website in order to more effectively use this knowledge to successfully promote your project.
I would like to draw your attention to the fact that the wide variety of information presented in this publication can certainly be found on the Internet if you Google it conscientiously. However, they are disconnected, but I tried to collect valuable information so that they present as complete a picture as possible with all the nuances regarding such an important component of resource ranking as Google PR.
What is PR (PR) of a site, real (real) and toolbar values of Google Page Rank
In principle, on the pages of the site’s blog you already had the opportunity to familiarize yourself with the general concepts of trust indicators of both search giants. However, there are nuances here, which I will discuss below.
What is PageRank and why is it needed?? Well, I have already partially answered this question in general terms a little higher. PR shows how authoritative a given document (website page) is for Google. You can regulate the numerical value of PR of any web page by transferring weight using links that lead to it from the pages of other web sites (external incoming links) and from internal web pages of the same website (internal incoming links).
That is, the more resources on the network link to a given page (in other words, they vote for it), the more authority it gains from Google. As you already understand, other pages on the site can also vote for a web page through internal linking. Now about those nuances that were mentioned above. One of them is that the Page Rank value is calculated each time for an individual web page, while the TCI (thematic citation index) from Yandex is an evaluation criterion for the website as a whole.
Of course, Yandex also has in its arsenal an indicator similar to PR, and it even has a name - wCI (weighted citation index), which determines the link weight of each web page, but its algorithm is kept in deep secret, unlike PageRank, the toolbar value of which we We can easily check using numerous online services. So, to summarize, I note that in the public domain we can find out the following indicators: toolbar TCI value (for the site as a whole) and Page Rank (for the main page).
Here another nuance emerges. Since Google considers the main web page of a resource to be the most important, we get the toolbar PR value, usually meaning the main web page. Although many specialized services provide the ability to check PR for each page of the site. Now let’s try to figure out what toolbar and real PR are, and what their differences are.
Well, from the above, you probably realized that the toolbar value of the Page Rank indicator (as well as the TCI) does not reflect the full picture at the moment, since it is updated extremely rarely (about once a quarter). Toolbar PageRank is measured in the range from 0 to 10. Usually 0 is assigned to very young web resources that do not yet have enough incoming links, and the number of web pages of the project itself that could accumulate link juice due to internal linking is extremely small.
The real (real) value of Google PageRank is determined constantly and has a nonlinear (logarithmic) dependence. I won’t go too deep into the jungle of mathematical calculations, but we don’t need that. I will only say that the nonlinear dependence of changes in PageRank leads to the fact that the higher the PR, the more difficult it is to achieve its next level. If we take as a basis toolbar PR value, then the distance from 1 to 2 is much greater than from 0 to 1, from 2 to 3 is greater than from 1 to 2, etc. This is very well illustrated by the following notorious image:
Below I will show the correspondence between real Google Page Rank values and toolbar indicators. This clearly demonstrates how much more difficult it is to reach the next PR mark:
| Real (real) value | Toolbar value |
|---|---|
| from 0.00000001 to 5 | 1 |
| from 6 to 25 | 2 |
| from 26 to 125 | 3 |
| from 126 to 625 | 4 |
| from 626 to 3125 | 5 |
| from 3126 to 15625 | 6 |
| from 15626 to 78125 | 7 |
| from 78126 to 390625 | 8 |
| from 390626 to 1953125 | 9 |
| from 1953126 to infinity | 10 |
In practice, getting, for example, PR2 for a web page that you are promoting based on any request does not seem to be an impossible task if you properly do internal linking and accumulate link juice through internal links. This does not even require a large number of external incoming links from trust web resources.
But achieving PR3 will require significant effort, including obtaining a large number of links from third-party websites. The ultimate dream of a webmaster of an ordinary standard blog or website is, perhaps, PR6, and only if its resource is quite voluminous and has a rich history. Indicator PR7 and higher is the lot of serious portals and information associations (including large commercial sites). Well, only a few giants have PR10, including, naturally, Google.
Definition of PR, site page weight, link weight distribution
Next, let's look at how to determine website PR. If the algorithm of the mysterious VIC from Yandex is beyond our control, then from the generosity of Google we got a formula for calculating PR, which was derived with the participation of the famous Google founders Sergey Brin and Larry Page, which, according to well-known advanced SEO experts, works according to this day with some reservations, which I will talk about below. Here is the formula:
PR(A) = (1-d) + d(PR(t1)/C(t1) + … + PR(tn)/C(tn))
I will explain all the notations found here so that it is clear:
PR(A) - Page Rank value of the acceptor page;
d - the so-called attenuation coefficient, showing what proportion of the weight is transferred to a given page from the web page that links to it (until recently it was equal to 0.85, that is, 85% of the weight of the donor page);
t1-tn - donor pages;
C - number of links
Google Page Rank of the web page for which it is calculated, and this can be seen from the above formula, depends not only on the quantity, but also on the quality of incoming links. Let's say, five links from a page with PR4 will transfer more link juice to a conditional web page than the same number from a web page with PR3. Moreover, and this is very important, internal and external incoming links from third-party resources are absolutely equal when calculating PR.
This, of course, is only a theoretical situation; in practice, everything is more complicated. For example, in this situation, it is necessary to take into account the following: how many more incoming and outgoing links does each of these pages have, including internal ones, so several calculations (iterations) will be required to determine the true PageRank. In fact, all calculations are based on a very complex mathematical basis. But we just need to understand the essence of the mechanism for calculating Page Rank; for this it is enough to use simple introductory ones. This is what the weight distribution of conditional page A looks like:
PR(A) = 0.15 + 0.85
Where the second part (0.85) is the share of weight that web page A transfers to other pages (both internal and web pages of other sites). If there are several links from a given web page, then this part is divided equally into all acceptor pages to which these links lead. I will demonstrate this with a simple example. Let's say we have 4 web pages that A links to:
As you can see, 0.85 of the weight of page A was transferred equally to pages B, C, D and E (0.2125 each). Plus, their own Google PageRank was initially equal to 1. As a result, it turned out that each of these web pages acquired a PR equal to 1.2125. Of course, this is a simplified diagram, but it clearly shows the mechanism of PageRank transfer.
Below we will look at an illustrative example of a three-page website to understand how to correctly use linking in order to most effectively accumulate PR within the resource and obtain maximum Page Rank for the desired web pages. So, we have 3 web pages, for ease of calculation we will assign the PR of each of them equal to 1:
Now we carry out calculations using the above Brin-Page formula. It turns out that without a single link, each of the pages will receive a rank of 0.15:
PR(A) = 0.15
PR(B) = 0.15
PR(C) = 0.15
The total PageRank of a website (there is such a concept) is now 0.45 instead of the maximum 3. The importance of links for the competent distribution of PR becomes clear. That is, web pages that do not receive or give away part of Google PageRank become in this sense “dead” and the promotion of such documents becomes simply impossible, even despite. Now let’s put a link from A to B and see how the weight picture changes:
Again we calculate the Page Rank of each web page. After one calculation (iteration) we get:
PR(A) = 0.15
PR(B) = (1 - 0.85) + 0.85 * 1 = 0.15 + 0.85 = 1
PR(C) = 0.15
Now we count again, taking into account the fact that Page Rank A has become 0.15 (second iteration):
PR(A) = 0.15
PR(B) = (1 - 0.85) + 0.85 * 0.15 = 0.15 + 0.1275 = 0.2775
PR(C) = 0.15
As I said above, to obtain the result closest to the truth, you need to perform quite a lot of iterations, but in this case the result after the second iteration will not change, since page A has only one outgoing link and its weight, which affected the secondary calculation of the rank of web page B , will not change and will be 0.15. Thus, even after 100 iterations we will get the same result:
PR(A) = 0.15
PR(B) = 0.2775
PR(C) = 0.15
The total Google PageRank of our three-page website will now be 0.5775. A little better than in the first example (0.45), but still far from ideal (3). Thus, by adding just one internal link, we received an increase in total PR. I note that the Page Rank of web page B has also increased. Next, let’s try to link all the pages, where each one links to each one:
When recalculating PageRank, we get the following indicator, and you can carry out as many iterations as you like, the result will remain the same:
PR(A) = 1
PR(B) = 1
PR(C) = 1
This is the ideal linking scheme, where each web page retains maximum weight and the total Page Rank of the site will also be the greatest, that is, equal to 3. It is clear that in practice this is difficult to implement, you just have to strive for it. However, we can slightly modify this linking scheme and create a so-called “ring”, which is most often used at the present stage to promote low-frequency queries:
In this case, we get an identical picture, where the PR of A, B and C will be equal to 1, as well as the total equal to 3. It is practically possible to carry out automatic linking using the WordPress Related Posts plugin, which I wrote about and which displays similar posts at the end of articles. On my blog, I use the output of similar posts without plugins, editing the theme files accordingly.
Again, this scheme can be modified. The fact is that when actually promoting a project, it very rarely happens that all the project’s web pages are equal in importance. Typically, we promote some pages to a greater extent, for example, for MF (mid-frequency) or HF (high-frequency) queries, so they need more link mass, even at the expense of less significant pages.
In addition, on any website or blog there is a hierarchy that determines the importance of certain web pages: home page, categories, post pages, static pages, etc. So let’s see how we can relink in favor of more important web pages and at the same time, if possible, maintain the maximum value of the total PR:
As a result of the calculation, we obtain the following values. After the first iteration:
PR(A) = (1 - 0.85) + 0.85 * (1 + 1) = 0.15 + 0.85 * 2 = 1.85
PR (B) = (1 - 0.85) + 0.85 * (1.85/2) = 0.15 + 0.7865 = 0.9365
PR(C) = (1 - 0.85) + 0.85 * (1.85/2) = 0.15 + 0.7865 = 0.9365
Please note that to calculate Google PageRank B and C, we used the already obtained value for Page A, that is, 1.85. Moreover, we divided this number by 2, since pages B and C received one incoming link from A, as a result of which the PageRank received from A is divided equally between B and C. Pages B and C collected the same Page Rank, but this is understandable. In order for you to fully understand the use of a large number of iterations and what this adds up to, let’s carry out the second calculation:
PR(A) = (1 - 0.85) + 0.85 * (0.9365 + 0.9365) = 0.15 + 0.85 * 1.8725 = 1.741625
PR (B) = (1 - 0.85) + 0.85 * (1.741625/2) = 0.15 + 0.74019063 = 0.89019063
PR (C) = (1 - 0.85) + 0.85 * (1.741625/2) = 0.15 + 0.74019063 = 0.89019063
Look, this time, when calculating the PageRank for A, we took the PR value for B and C, obtained as a result of the previous (first) iteration - 0.9365, and when calculating the rank of pages B and C, we used the Google PageRank for A obtained during the second iteration - 1.741625. You can also do as many calculations as you like until the difference between them is so small that it can be neglected. For example, after 100 iterations we get the following numbers:
PR(A) = 1.4594595
PR(B) = 0.7702703
PR(C) = 0.7702703
If we add up the resulting numbers, then their sum will be equal to 3, this is the total PR of our test site, that is, we achieved the goal by redistributing PageRank in such a way that the most important web page A received a higher Page Rank, while maintaining the maximum total PR This is approximately how you need to act when actually promoting your website. Of course, and I pointed out this, this is a theoretical model, in practice everything is more complicated.
For example, we did not consider what will happen if there are outgoing (from the site) and incoming (to the site) links, but I hope you understand, I hope, the essence of PageRank distribution for solving a particular problem. Also, the calculations that I have given are intended for clarity and an ordinary webmaster, of course, does not do them every time, since it will take a lot of time.
In addition, there are special services and programs that will help you not only find out the current Google PageRank value for any page on the site, but also other important indicators. For example, SEO extensions for Google Chrome, plugins for Mozilla Firefox, add-ons for Opera, one of which is .
What affects the increase or decrease of Page Rank, some features of PR, use of the nofollow attribute
As mentioned above, proper internal linking can work wonders and with its help, even without using incoming external links, you can raise the Page Rank of pages and maintain the maximum total weight of the site. You can use various linking schemes, of which, in general, there are many. For example, under LF, HF, LF requests; Moreover, the subject of the web resource is of great importance. Now let's look at what factors influence changes in Page Rank indicators (decrease or, conversely, increase).
- Each incoming link (internal or external) transfers the same share of its Page Rank (85%) to the page it “votes” for. Naturally, the higher the PR of the page from which it leads, the more weight flows to the acceptor page. The exception is for sites that have been banned by Google for various violations; links from such resources are not taken into account when ranking.
- Web resources to which banned sites link are not punished for this in the form of a decrease in PR; This has been noted by optimizers, but still, if possible, it is better to remove such links to your project; although, of course, this situation has little to do with us, Google also takes this into account, and therefore does not punish for it.
- But if a website links to banned resources, it may be punished. Therefore, be careful and do not link to pessimistic sites (for example, link dumps or link farms); Always check the PageRank of the site you are linking to.
- If a given web page links to itself, its Page Rank does not increase, but this is logical.
- Several identical links from one web page are counted as one; This is also understandable from a logical point of view, since one page can only give one “vote” for another.
- Links that have the attribute do not convey weight to the document they point to.
- Competent internal linking can increase PR, I talked about this in this article.
- The subject matter of websites that link to the project is very important. The closer these sites are thematically to your website, the more PageRank they convey.
These are, perhaps, the main aspects that influence changes in the Google PageRank indicator of site pages. All this is understandable from a logical point of view and the main factors, I think, will not change in the foreseeable future. However, search engines are constantly testing new rules to improve the ranking of resources, so some changes will be made and we will dwell on some of them.
For example, links no longer transfer 85 percent of their weight to the document they link to. This share is rumored to be around 10 percent or even less. However, this in no way changes the essence of the weight distribution algorithm. But the biggest headache for webmasters is the dilemma of using the A nofollow tag attribute.
On the one hand, you want to maintain maximum weight on your resource, on the other hand, for the convenience of users, you need to refer to some external resource for additional information. In this case, if you put nofollow, then the PR of the web page will not be transmitted to the external website, but it will also not be saved, it will leak to nowhere.
Initially, Google introduced the nofollow attribute so that the webmaster had the opportunity to warn his readers about the unreliability of a website by linking to it and closing the nofollow link, thereby preventing the transfer of weight. Then the entire rank was saved on the site and no problems arose. However, then Mr. Google changed the algorithm for using this attribute.
From that time until now, when using nofollow, Page Rank does not flow to the outgoing link, but does not remain on the website. I think this was done because the owners of information resources began to close all outgoing links, including links to trust sites, with the nofollow attribute to avoid weight leakage. The purpose of changing the algorithm was to ensure that authoritative web resources would not be deprived and would receive at least some of the direct links from the projects linking to them.
This is, in general, fair and quite logical. But what should we, ordinary webmasters, do? After all, very often, including me, I have to use outgoing links. After all, unclosed nofollow links will contribute to the “leakage” of PageRank. Of course, at first glance, there is a way out and it lies on the surface. You can simply give users a link in the form of text if necessary, but for many reasons, for me, let's say, this is not an option. There have already been a lot of discussions on this matter, but I, for example, believe that here, too, my favorite rule of the “golden mean” is manifested in all its glory.
In this case it is as follows. I put open links (without nofollow) only when I explicitly link to the material of another author, and I do this without regret, since each work should be assessed adequately. Moreover, there is an opinion that correctly placed open links to trust resources can even help in promoting the project. But I have not yet dared to open all outgoing links, even to authoritative websites, with the exception of those mentioned above.
Still, it is necessary to study this issue in more detail. If there are any specific results of my research, I will definitely let you know; after all, I want to understand everything based on my personal experience, so subscribe to the latest blog materials. In conclusion, I will give one more opinion regarding the influence of outgoing links on the site’s position:
PageRank is an important indicator that can affect search results on Google. PR is the key point in the operation of the Google search engine, which determines the site’s position in the search results for various queries.
Today we will figure out what it is and how to check it.
Almost every website that can be found is directly dependent on the search engine to receive constant traffic. That is why everyone knows that you should be “friends” with the search engine and adhere to all its rules, so as not to fall under such unpleasant things as pessimization and, especially, a filter.
When viewing various TOP sites for certain queries, you can notice competition for one or another query that arises between them - how are such situations resolved by the search engine? Of course, there are indicators and criteria by which content is sorted and the site receives a kind of rank. The more a site follows the rules and contains high-quality content, the higher the positions it will have, while the rest will be located below it, or will have problems with issuance. Problems can be, as I already wrote, in the form of pessimization or a filter: among which we have already considered the sensational ones, .
What is PageRank
First of all, it is worth noting that such an algorithm as PageRank was invented by Stanford University graduate students Larry Page and Sergey Brin in 1998. The patent was created only in 2001 and it belongs to Stanford University, not Google.
PageRank is one of the link ranking algorithms that assigns each document its own authority index (page importance), which is expressed as a certain value (takes on a value of 0-10). The specificity of this parameter is that it is calculated depending on . In simple words: PR is the total authority of a page, which directly depends on all the sites linking to it and the final result of the total weight of these links. It is the weight of all links that will determine such a value as PageRank.
In general, this algorithm is similar to, the only difference is that PR is calculated for each page, and TCI for the entire site in general. The basis is similar, taken from the scientific world, according to the principle: the more authors refer to works, the higher its quality and importance. In general, the parameters should be of a similar nature, but still have their own specifics, which we can notice everywhere.
It should be noted that PR does not take into account the number of links, but rather their weight - so a huge number of spammy links will not make the picture, not to mention subsequent sanctions from various filters. This is another reason to check links carefully and choose only high-quality donors, in order to avoid all sorts of problems, including PageRank.
If you think about the differences between the Yandex and Google algorithms, then it’s worth remembering such an indicator as, the operating principle of which is kept under seven locks by the search engine employees. It makes sense to draw a parallel with the PR algorithm - judging by all the facts, they really have a lot in common... But, alas, we are not allowed to know this. At least for today.
In any case, the existence of such an algorithm as PageRank and VIC is quite natural: even the work of one author can have completely different quality or importance of an individual article in any field (even if we take the original one - science). Not to mention the fact that there may be a whole team of authors on the site - there should be a different weight for each page, if we talk about quality content.
Features of PR
As you already understand, without such an indicator as PR there can be no talk about search engine promotion of a website - you need to work with it. I want to say right away that PageRank will not be able to directly influence the promotion of the site, since it is auxiliary, but very useful.
Its role is precisely to resolve the situation that I described at the beginning about the competition of several sites for the same request - it is PR that can predetermine the outcome and place those sites with a high indicator in the best positions.
In addition to this situation, it will help us in such an interesting situation when the user enters an ambiguous query. Such queries most often include one-word queries - “site”, “salad” and other general queries. There will be a huge number of relevant documents that will at least somehow be involved in this request. It is in this situation that PageRank will play that decisive role and can even provide us with better positions in such a request.
PageRank has 2 meanings:
- real;
In turn, it is constantly updated and participates directly in the ranking. It is this indicator that measures the exact weight transmitted by links.
- toolbar;
It comes from a real value and represents a certain assessment that can take the value 0-10. It is updated quite rarely - about once a month.
Most often, young projects or those who fell under the filter have a zero toolbar value. Reaching higher and higher levels is quite difficult, and some set the limit at 5.
| Real value | Toolbar value |
|---|---|
| 0,00000001…5 | 1 |
| 6…25 | 2 |
| 26…125 | 3 |
| 126…625 | 4 |
| 626…3125 | 5 |
| 3126…15625 | 6 |
| 15626…78125 | 7 |
| 78126…390625 | 8 |
| 390626…1953125 | 9 |
| 1953126…∞ | 10 |
It is worth noting that increasing PR can be achieved not only by external links from other sites, but also by internal linking of pages - which we will look at shortly. Thus, you can increase your PR score without resorting to using external links at all, but the ideal option is a combination of both methods.
How to check PageRank
There are many services for checking PR, the choice of which depends only on you - since almost all of them do their job correctly.
- does its job perfectly. The service’s interface is extremely simple: just enter one or more links to the site, click “check PR” and get the PageRank value. It is ideal for bulk checking of one or even several projects - which greatly simplifies the task and makes the service pleasant to use.
In addition, there are a lot of extensions for any browser, which allows you to view PR and other SEO indicators without using the service - in real time. This is very convenient if there is a need to constantly view data about the site.
If you want to view information about your PR indicator on the site, you can install a special counter that can be provided by a service such as. In this service you can receive not only PR, but also the TCI of the site in the form of a small widget. You can read how to install it in - the algorithm for installing the Yandex Metrica counter is described there, but in this way you can install absolutely any counter. The only difference can be the location - if the counter is needed in the footer, then it must be placed in the required template without disturbing the tag structure.
For a mass or automated check of all website pages, you can use special services, which we will discuss in the next article. With this I say goodbye to you - I hope the information was useful and relevant for you!
PR (abbreviation PageRank, page rank) is a link ranking algorithm that is used by Google to measure the importance of a document (website page) among others. Google Pagerank determines the authority index (numeric value) for web pages connected by links. Site page authority (pagerank) determined from the ratio of the quantity and quality of incoming links. The more links a page has, the more important it is. However, in addition to the number of external links, the quality of external links or from which links are established plays an important role in calculating PR.
PageRank - does not directly affect the site’s position in Google search results, as it is one of many methods for determining the relevance of a site page. If PR directly influenced search, then only sites with a high PageRank would be in the first positions. However, we can assume that, all else being equal, a site with high PR will rank higher than a site with a lower page rank. Google takes into account not only the authority, but also the relevance of pages. But at the same time he writes:
Web pages with a higher PageRank are more likely to appear in the first Google search results.
Where to find out and how to check the PageRank of a site
More often, find out the PageRank of the site can be expressed as an integer value from 0 to 10, but PR is a real number with many gradations. Google page rank is calculated for each page separately and different pages on the site may have different PR. The initial PageRank of any page is 0. If it takes one step to move from PR0 to pagerank 1, then each subsequent level is much more difficult to achieve. To find out the pagerank of the site, just install Google Toolbar in your browser. Already included in the toolbar pagerank check, you may need to enable display of PR pages. Thus, for each page you can check the Page rank automatically.
PageRank Algorithm
It's reliable to say how Google produces pagerank calculation difficult. There are plenty of all kinds of aglorhythms for calculating PR on the Internet, but they can only reflect the general specifics of taking into account parameters in the formula for calculating PageRank. PR calculation algorithm, is based on the transfer of the page’s own page rank between the pages to which it links. That is, the more times a page is linked, the less weight it transfers to each link, since it is divided equally between all links.
Among other things, when calculating the PR of a page, the similarity of the themes of the donor and acceptor sites, the time of existence of the site and links are taken into account. Page content is not taken into account when calculating PageRank, however, it is taken into account in search and is important for search engine optimization of the site. Sometimes you can observe the effect when page rank decreases due to the addition of new pages to the site. This happens because site pages give up some of their PageRank to new pages. This is difficult to notice on large sites, but on small resources it can be noticeable.
PageRank is constantly recalculated, and the PR algorithm is improved. As a result, build PageRank forecast very approximately possible. It is much more important to improve the quality of page content and improve the site structure in order to get natural citations and higher PR.
How to increase Google PageRank
Question how to increase Google Pagerank is asked by everyone who promotes a website in search or sells links. After all, PR is an indicator of the importance and popularity of a resource, and therefore the effectiveness of its work. There are various ways how to increase PageRank. Fundamentally, they can be divided into natural and unnatural. If you unnaturally quickly increase Pagerank, then you can naturally get a ban from Google, a penalty or a complete PR reset, since such measures to increase or even boost PageRank have their own side effects and risks. And most importantly, the effect is temporary.
