Acs.org American Chemical Society

User Loading Experience
Cumulative Layout Shift
Largest Contentful Paint
First Input Delay
First Contentful Paint
Metrics
Largest Contentful Paint0/100 14.0 s
Total Blocking Time1/100 2,110 ms
Time to Interactive3/100 18.7 s
Cumulative Layout Shift6/100 0.773
Speed Index8/100 10.3 s
First Contentful Paint57/100 3.7 s
Should Fix (21)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Passed Audits (8)

Should Fix (4)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Mobile Friendly
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.
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Passed Audits (9)

Should Fix (4)
Trust and Safety
General
User Experience
Passed Audits (10)

Should Fix (10)
PWA Optimized
Fast and reliable
Installable
Passed Audits (4)

Should Fix (8)
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.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Navigation
These are opportunities to improve keyboard navigation in your application.
Contrast
These are opportunities to improve the legibility of your content.
Passed Audits (19)

Should Fix (1)
Passed Audits (4)

Should Fix (8)
Passed Audits (2)
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