SimilarTech’s profiler tells you all of the technologies that web companies are using

SimilarTech crawls the web to analyze what technologies are popular among website operators. The company can track all of the technologies that a website uses, and it then ranks them in order of popularity.
As an example, SimilarTech tracks 60 payment technologies used across 2 million web sites. PayPal is the No. 1 vendor in the space, used at more than 1.01 million sites. If you look at the top 10,000 sites tracked by SimilarTech, Alipay is in third place, behind PayPal and PayPal Subscribe. Y