Final answer:
The Verification tab provides information such as ad tag errors, visual performance errors, and content-related issues, but not conversion and revenue performance.
Step-by-step explanation:
From the data in the Verification tab, you can extract several types of information, including errors for the ad tag related to implementation issues. This helps to identify any technical problems that could prevent ads from displaying correctly. You may also find charts that represent all of the errors related to visual performance, which can indicate how well the ads are being rendered on different devices or browsers.
While conversion and revenue performance data are crucial for analyzing the financial effectiveness of an ad campaign, they are typically not found in the verification tab but rather in performance analytics tools. Lastly, issues related to content can also be detected here, which could include violations of policy or presence of content that could negatively impact the ad's performance or the user's experience.