Understanding Usage Limits
Guides

Understanding Usage Limits

Mosaic uses a shared cache so the same page is captured once and reused for everyone. There is no per-user image counter or signature setup.

How Limits Work

OG Image Generation

  • A canonical page URL maps to one shared cached image
  • Cached images refresh automatically after 30 days
  • Requests normally reuse the cached image without taking a new screenshot
  • Mosaic applies per-client and service-wide daily generation budgets to protect reliability and cost
  • When a budget is exhausted, Mosaic serves the stale cached image when one is available, or a safe fallback image for a first request

Website Management

  • You can save websites to your account without ownership verification
  • More than one user can save the same hostname
  • Saving a website does not expose its page list, cache history, or other users
  • Removing a website only removes your association; it does not delete shared images

Tips

  1. Use stable canonical URLs: query-string variations create distinct cache entries
  2. Use the page's final HTTPS URL: redirects are followed safely before a screenshot is generated
  3. Let refresh happen automatically: there is no manual purge step

Need Help?

If you have questions about your usage or limits, contact support at hello@praveenjuge.com.