To automate the process of taking screenshots of websites on a recurring schedule, you can use PagePixels.
PagePixels is a screenshot automation solution that comes with flexible scheduling built-in (no other tools required). Using PagePixels you can schedule screenshots by:
Time interval: Take screenshots every x minutes, hours, days, weeks, months, and even years.
Days of the week: Take screenshots on weekdays, weekends, only on Mondays and Tuesdays, and more.
Time of day: Take screenshots between set hours or minute ranges, eg. 12pm and 2pm or 8:00am and 8:10am.
Time zone: Set up screenshot automations that use different time zones based on your business and client needs.
PagePixels is free to start, and below are step-by-step instructions for how to schedule screenshots in the PagePixels web app.