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 Re: هل تراجع موقع سودانيز أونلاين؟ هل انخفض ترتيب الموقع 766 مرتبة؟ هل انخفضت نسبة زيارة الموقع (Re: إسماعيل التاج)
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Dear Ismaiel,
Plz read this to know the reason:
A listing of all sites on the Web, sorted by traffic...
Alexa computes traffic rankings by analyzing the Web usage of millions of Alexa Toolbar users . The information is sorted, sifted, anonymized, counted, and computed, until, finally, we get the traffic rankings shown in the Alexa service. The process is relatively complex, but if you have a need to know, please read on.
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Some Important Disclaimers
The traffic data are based on the set of Alexa users, which may not be a representative sample of the global Internet population . Known biases include (but are likely not limited to) the following:
Our users are disproportionately likely to visit alexa.com, amazon.com and archive.org, and traffic to these sites may be substantially overcounted.
The Alexa Toolbar works only with the Internet Explorer browser. Sites frequented mainly by users of other browsers will be undercounted. For example, the AOL/Netscape browser is not supported, which means that Alexa collects little data from AOL users, and our traffic to aol.com is likely lower than it would be for a more representative sample.
The Alexa Toolbar works only on Windows operating systems. Although a large majority of the Internet population currently used Windows, traffic to any sites which are disproportionately visited by users of other operating systems will be undercounted.
The rate of adoption of Alexa software in different parts of the world may vary widely due to advertising locality, language, and other geographic and cultural factors. For example, to some extent the prominence of Korean sites among our top-ranked sites reflects known high rates of general Internet usage in South Korea, but there may also be a disproportionate number of Korean Alexa users.
In some cases traffic data may also be adversely affected by our "site" definitions. With tens of millions of hosts on the Internet, our automated procedures for determining which hosts are serving the "same" content may be incorrect and/or out-of-date. Similarly, the determinations of domains and home pages may not always be accurate. When these determinations change (as they do periodically), there may be sudden artificial changes in the Alexa traffic rankings for some sites as a consequence.
The Alexa Toolbar turns itself off on secure pages (https: ). Sites with secure page views will be under-represented in the Alexa traffic data.
In addition to the biases above, the Alexa user base is only a sample of the Internet population, and sites with relatively low traffic will not be accurately ranked by Alexa due to the statistical limitations of the sample. Alexa's data come from a large sample of several million Alexa Toolbar users; however, this is not large enough to accurately determine the rankings of sites with fewer than roughly 1,000 total monthly visitors. Generally, Traffic Rankings of 100,000+ should be regarded as not reliable because the amount of data we receive is not statistically significant. Conversely, the more traffic a site receives (the closer it gets to the number 1 position), the more reliable its Traffic Ranking becomes.
SOURCE:
Alexa
I think the above simply means that unless you have Alexa tool bar installed, your visits to sudaneseonline will not be counted!
Now, how many of us have heard about the Alexa tool bar, let alone have it installed?!
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Khalid Osman Jaafar
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