The Critical Gap: No Ongoing Monitoring
Meta's review is a one-time check at submission time. Once your ad starts running, Meta does not continuously monitor your landing page.
A Timeline of How Things Go Wrong
Day 1: You submit your ad. Meta approves it.
Day 15: URL structure changes. Your page now returns a 404 error.
Day 15–20: Your ad is still running. Meta keeps charging you.
Why Doesn't Meta Monitor Landing Pages Continuously?
- Scale — Meta serves millions of advertisers. Monitoring every URL continuously would require huge infrastructure.
- Advertiser responsibility — Meta's standards place responsibility on the advertiser.
Key Takeaways
- Meta reviews landing pages only once.
- Ads will continue running even if your page returns a 404 error.
- Automated monitoring is the only way to catch errors early.