Key Compete and SEM Rush these two are the very good competitor analysis tool..
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participant investigate tools are grand for serving you gain near into how much traffic your competitors are getting and investigate which keywords and websites they are getting it from, so you can recognize new search advertising and marketing opportunities for your own business. Even though there are more than a few different types of spirited research, the software and tools enclosed here first and foremost pertain to identifying advantageous keywords used by your competitors, to help you make the most of your organic SEO and paid search engine marketing campaigns..
While trying to examine the rankings and web positions of competitors, you do not actually need to use any tools because there are no programs to employ which can exactly tell you of the methods used by your colleagues. Perhaps the only thing to be done could be checking their rankings manually on major search engines and using Yahoo Site Explorer to take a look at their likings and then beginning to work on SEO tasks.
It is important to know how web optimization systems are functioning and then moving towards using contents and one-way links to improve rankings of domains online. Perhaps your competitors are also building their own links, using directories which are closely related to their websites niches, leaving comments on blogs that in their opinion could help promoting their sites and adding fresh contents to their websites and blogs.
There are various competitor analysis tools available on internet and some of them are:
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I use Key Compete to track competitors.