JavaScript john dory says:
Use requestIdleCallback for time-consuming, low-priority tasks.
And here’s why:
- Screen readers use landmarks to help individuals quickly navigate to different sections of your page.
- Landmarks enhance the usability of your website for people with disabilities, which is both considerate and often required by law.
- Search engines use landmarks to identify the important elements on your page.
- Landmarks establish a clearer structure for your website, making it easier to update and maintain.