There are many tools for this, but you don't know which one is the most accurate, right? 🤔
Whether you want to spy or to analyze your competitors, there are a couple of handy tools, the most well-known (and affordable) are SEMrush, SimilarWeb, and Ubersuggest (+Ahrefs and many more).
This research is not a guestimate, it's based on numbers (true website traffic) from 13 websites that have shared their Google Analytics data.
Although I can't disclose the domains, I got the number straight from their GA accounts and compared them with SEMrush, SimilarWeb, and Ubersuggest.
The goal - to find out which one can show the true number of sessions a website has.
TL;DR you won't believe it but it's SimilarWeb 👀
Although SimilarWeb tracks only websites with at least tens of thousands of sessions per month, for those ones, the number of sessions is pretty damn close to reality.
👉 Here is the summary:
A pleasant surprise is also how good these tools are at analyzing the traffic sources. SEMrush is doing the best job here, with SimilarWeb being way off and Ubersuggest tracking only the organic search.
If you want the link to the Airtable file with all these numbers, just leave a comment below and I'll reach out to you 👇