Distillation of the report on the All in Top Conf 2012.
What is the difference between ' eternal ' link on the lease? . Also, all references palyatsya rental search engines. Do not deceive ourselves that placing a la contextual advertising or something else makes all the difference - rental links are sensitive to the arguments in the address bar and so identified on the time.
Perpetual exile if not eternal, such as thinking about it, but if it is placed, it does not change its position for a long time, and dies, usually with the death domain. At the same time it is worth noting that placed the eternal, or we call them by ear position, static links, usually at the end, the beginning or the article body, while rents are links in the sidebar, pallet or less - in the header page.
Indexation of static links - this is a process, not a fixed state, as indexing the whole site. T. e. now referenced in the index, and tomorrow - there is no. And do you have anything that can not.
Here is step back and explain that the indexing of links - is when a shot from the page cache checker search engine contains a reference. It is believed that this is a sufficient fact that the weight of links into account by search engines, although, of course, this is not true, but no other instruments, except for the curve of the panel webmaster.
Continuing the argument, we must understand that if the page is indexed, along with a link, after the fall of the index, it will return back to the index with a link because the link has become an integral part of the page. This proved to be important, oddly enough - in the context of possible issues, such as indexed options may decrease over time. Decreases are not indexed separately from the links indexed pages, but the index of the whole site. Then it will be clear from the graphs, for which it is said.
Now for the sample on which the study was conducted:.
The total number of links: 17 271.
The total number of domains: 1125.
Post time: 0 to 18 months.
CY: 0 to 1200, more than 0 - 56.3 %.
The number of links from donors in UC 645.
The number of links from donors in DMOZ: 899.
Age of donors older than one year: 65.6%.
The sample shows that it is quite varied - lack of donors of any type to talk about the representativeness of the results of further. If you say no clever words, the sample contains the sites of all types. It seems from the outside, it would be more correct to take the donor only once, but you're forgetting here that the donor properties also change with time - and options, and index. On the other hand, our study shows that the distribution of donors, which links to the parameters and age is no different, which gives us the right to work with the entire sample, which in turn reduces the measurement error is several times.
Indexation of the sample:.
Indexation of the donor at the time of placing pages link to I: 100%.
Indexing in H for today: 62.7%.
Indexing in F for today: 75.6%.
Indexing Links (YAL): 24,3%.
Indexing Links (GL): 27,0%.
Compulsory indexation has not been.
The last remark is especially important in the context of the subsequent arguments. It is clear that we must try to all the links have been indexed, but first, this task was not an. Secondly, the installation process went on the old pages, so a return visit to the boat this page at no additional funds are not always guaranteed. And thirdly, I am interested in the natural indexing of links - so the effect of the reference explosion goes unnoticed and is obtained is the case when the links in spite of the high initial purchase as it appears out of nowhere in the index of search engines for a long period of time.
And we get a result?.
Indexing options depends on the parameters by Yandex and Google - there is no. And for a Yasha and DMOZ is important, whereas Google is interested in the opinion of even a little of this catalog - the deviation in the index only slightly higher in the case of a site in DMOZ. Not to be confused with the indexation of transfer of weight - we see only what we see! .
There is also a dependence on TCI - sites with nonzero indexed by Yandex CY faster. Google spit on TCI. Dependence on PR considered representative did not work - in the sample was too small links with PR.
But. here. I have previously talked about the dependence of the rate of indexation of the age reference. It turns out that Google tries to index the links (and pages, respectively) as soon as possible and then cleans this sample, but Yandex builds this index over time. After a year of both indexed, only increasing. So if the reference stood a year, then most likely it will be taken into account by both systems.
Another interesting observation: if the page in Yandex, it is a 50% chance to be in google. Although correct to say the opposite - Yandex monitors by Google, including the indexing of sites in it.
This is confirmed by this study - like checking links in Google indexed, depending on the location page in Yandex. As well as an inverse relationship in Yandex indexing links from being indexed pages in Google. Google anyway - there is a donor page on the Yandex or not. But Yandex demonstrates the superiority of a five-fold if the page is in Google, than if it is not there. What is even more curious - distribution of links indexed according to the indexing in Google and Yandex same, and in Google. T. e. uniquely Yandex Google's index of wool and make a decision based on his.
Here are three interesting chart:.
It cuts up to 2, 4 and 6 months after installation links, respectively, was seen in 2500, 1500, and 600 references. The horizontal axis domain age at the time the links. Vertical - the percentage of indexation. The sample for the consolidation has been grouped into clusters of 6 months for the lifetime of a domain. If you omit the obvious errors in the measurements at the edges - there were about a dozen references, it is obvious that Yandex is the lower plateau domain for the young and the top - for the old. I google this pattern is not. Moreover, with increasing life reference - see. lower graph for the six-month options - dependent on the age of indexing domain fizzles. Yandex has it simply shifts the value of domain age.
T. e. The older the domain, the better for Yandex. Google in this regard is more liberal and loves the relevance of the data. T. e. even the hopelessly outdated shit in Yandex will have more weight than actual new data. It's kind of obvious observation, but it's nice to confirm his figures.
It remains to project these results to the results of the promotion, but they are roughly as follows: promotion in Google is developing rapidly - the rapid entry into the top for a few weeks or months. But then begins jumping up and down, which eventually almost stopped.
Yandex is in progress as it steps. Climbing up to a certain level, then a stable position long period of time, then a new step in 3-4 months. Over time, the steps become longer. It should, however, add that one project had from 300 to 700 links. All of them were purchased by one filter. Results presented in the sample had more than 200 projects.
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