In my experience, Google AdMob is generally stable, but sometimes there are lags where the ad does not load, and messages indicate the inventory is not complete, which can take around one week to load the real ads. When integrating the ads with Google AdMob, I initialize the ad and get the original IDs; it provides proper messages in case of errors, but currently, it returns some generic error messages that are not easy to tackle. I would like to see improvements in Google AdMob, especially regarding error handling; currently, when loading ads, generic type errors are thrown, so providing concrete error details would help developers tackle issues more easily. I think Google AdMob is scalable but needs to provide better bidding-related features; currently, it is in beta, and if we could add more variety of ads, it would enhance scalability.
