Alexa ,compete&quancast like websites wich review new and emerging websites

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Alexa ,compete & quancast are websites which are used to compare and review websites with respect different factors.I am use use above three websites for reviewing other websites.Alexa is better then above two websites in the people views. but above three websites ve some limits.I wants to be know a website which review and comparing the new and emerging websites with respect to different factors and listing websites with respect their Popularity.