Which of the following is an acceptable modification to the AdSense code?

1. Placing Google ads in a “floating box” in which ads scroll, hover, or expand over the webpage.
2. Hiding an unit if it is a responsive ad unit.
3. Adding irrelevant keywords (hidden or visible) to alter the targeting of the ads.
4. Using IFRAMEs with keywords to alter the content or language of the ads.

Correct Answer:

• Hiding an unit if it is a responsive ad unit.