Question: Do you know of a solution that helps with market research by tracking changes to multiple websites?

If you need to monitor changes to many websites for market research, Scrapx is worth a look. This website monitoring service scrapes the sites you select daily, monitoring changes to text, images and data, and can alert you by email or Slack. It also supports Queryselector, customizable HTTP headers and API webhooks to integrate with your internal systems. Scrapx is good for competitor analysis, content strategy and regulatory compliance.

Another good option is Fluxguard, an AI-based information extraction system that monitors, filters and summarizes changes to business-critical website data. It can help you stay on top of regulatory changes and industry trends. Fluxguard offers customizable alerts, automated crawling and integration options, so it's good for companies that need to monitor website changes for regulatory compliance, competitive intelligence and defect detection.

Last, Competitors App is an online monitoring tool designed for marketers who want to keep an eye on their competitors' activity on the web, email newsletters, social media and search engine rankings. It can provide real-time insights into marketing campaigns and customizable Slack notifications. The app can help marketers save time by automating competitor analysis and finding winning strategies.