Instead of a conclusion

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The tools presented in the review will be more than enough for free analysis of competitors' traffic. Of course, if you are a professional SEO and do this on a regular basis, most likely, free limits will not cover your needs. In this case, it is advisable to think about purchasing a subscription to one of the services.

In this case, one important feature should be taken into account. None of the services provide absolutely accurate data - their indicators are approximate. The most accurate analyzers are those that search for open counters on the site and pull statistics from them. But, as we skype database have repeatedly noted above, most resources do not allow access to official statistics. In this case, analyzers turn to the Alexa rating system or, less often, calculate traffic using their own algorithms. The traffic summary in this scenario may be inaccurate.

To smooth out this error, it is better to use several services simultaneously, comparing their indicators. Here it should be understood that for most SEO tasks, approximate traffic data will be enough. But if we are talking about serious investment issues, for example, buying a domain or placing an expensive backlink, it is better to refuse to use analyzers at all. In this case, you need to request access to Yandex.Metrica or Google Analytics data from the site owner and view statistics for a relatively long period.