Which is an example of a situation when an unnecessary resource negatively impacts the user experience.

Which is an example of a situation when an unnecessary resource negatively impacts the user experience.

• Optimized images
• Lazy loading
• One web font
• A photo carousel on the homepage that allows the visitor to preview multiple photos with a quick click

Correct answer is:

• A photo carousel on the homepage that allows the visitor to preview multiple photos with a quick click

Explanation: Too often, pages contain resources that are unnecessary, or worse, that hinder page performance without delivering much value to the visitor or to the site they’re hosted on. This applies equally to first-party and third-party resources and widgets:
Read more here: https://support.google.com/partners/answer/7336689