How important is browsing data for search? According to Mark Williams-Cook, very important! He suggests that companies like Perplexity and ChatGPT will develop their own browsers to gather user behavior insights, and that AI assistants will increasingly operate within browsers for better personalization and privacy. Mark explains that browser competition will intensify as companies seek alternative data sources to better understand search effectiveness. 👍 Subscribe for more SEO tips 🔔 Read about it on the Moz Blog: https://mz.cm/AMA-with-Mark-Williams-Cook-2026 Check out Mark’s full webinar: https://mz.cm/future-of-search-2026 👩💼 ABOUT MARK WILLIAMS-COOK: Mark is the Director at Candour and the founder of AlsoAsked. Known for his sharp takes and data-backed insights, Mark has been at the forefront of SEO for over 20 years. 🔗 CONNECT WITH Mark: Twitter: @thetafferboy *************************************** ADDITIONAL MOZ RESOURCES: 30-day Moz Pro Free Trial ► https://mz.cm/