
WOT (Web of Trust) is a leading crowdsourced website reputation service with over 140 million downloads worldwide. Leveraging machine learning algorithms and a global community of users who provide website ratings and reviews, WOT offers real-time security warnings and safety scores for websites, apps, and Wi-Fi networks. This community-powered approach helps users make informed decisions about online safety, protecting them from scams, malware, and unreliable content that traditional security solutions might miss. WOT displays reputation icons (traffic lights) next to search results and URLs, indicating potential dangers or trustworthiness. The service is available across multiple platforms and browsers, and is based on a patented system that analyzes user behavior for reliable and updated ratings, validated with third-party blacklists.

WOT (Web of Trust) is a leading crowdsourced website reputation service with over 140 million downloads worldwide. Leveraging machine learning algorithms and a global community of users who provide website ratings and reviews, WOT offers real-time security warnings and safety scores for websites, apps, and Wi-Fi networks. This community-powered approach helps users make informed decisions about online safety, protecting them from scams, malware, and unreliable content that traditional security solutions might miss. WOT displays reputation icons (traffic lights) next to search results and URLs, indicating potential dangers or trustworthiness. The service is available across multiple platforms and browsers, and is based on a patented system that analyzes user behavior for reliable and updated ratings, validated with third-party blacklists.
Product: Crowdsourced website reputation and safety service (browser extension and data licensing)
Founded / launch: 2006 (service launched July 2006)
Headquarters: Helsinki, Finland
Team size (reported): Approximately 2–10 employees (profiles report small team; one snapshot lists 7)
Known funding: Raised ~€1M (~$1.3M) in a 2012 round led by Inventure
Online safety and website reputation
2006
Cybersecurity / Online safety
1300000.00
Reported ~€1M / ~$1.3M round in 2012