Cdc.gov Centers for Disease Control and Prevention
As the nation’s health protection agency, CDC saves lives and protects people from health, safety, and security threats.
User Loading Experience
First Input Delay
First Contentful Paint
Cumulative Layout Shift
Largest Contentful Paint
Largest Contentful Paint0/100 13.1 s
Time to Interactive17/100 11.9 s
First Contentful Paint35/100 4.7 s
Speed Index42/100 6.3 s
Total Blocking Time81/100 360 ms
Cumulative Layout Shift100/100 0
These suggestions can help your page load faster. They don't directly affect the Performance score.
More information about the performance of your application. These numbers don't directly affect the Performance score.
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. Learn more.
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Trust and Safety
Fast and reliable
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.