Complex sentence: MyWOT/WOT (Web of Trust) is a website reputation and review service that provides information about whether it considers a website to be trustworthy, based on a crowdsourced approach that collects ratings and reviews.
Split into simpler sentences: MyWOT/WOT (Web of Trust) is a website reputation and review service that helps people make informed decisions about whether to trust a website or not. WOT is based on a crowdsourced approach that collects ratings and reviews.