Impress.co.jp 株式会社インプレス

User Loading Experience
First Input Delay
First Contentful Paint
Cumulative Layout Shift
Largest Contentful Paint
Metrics
Cumulative Layout Shift48/100 0.258
Speed Index64/100 2.0 s
Largest Contentful Paint78/100 1.6 s
First Contentful Paint96/100 0.8 s
Time to Interactive97/100 1.8 s
Total Blocking Time100/100 10 ms
Should Fix (14)
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 (15)

Should Fix (2)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Passed Audits (9)

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

Should Fix (10)
Fast and reliable
PWA Optimized
Installable
Passed Audits (3)

Should Fix (11)
Navigation
These are opportunities to improve keyboard navigation in your application.
Contrast
These are opportunities to improve the legibility of your content.
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.
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.
Tables and lists
These are opportunities to to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Best practices
These items highlight common accessibility best practices.
Passed Audits (14)

Should Fix (7)
Passed Audits (3)
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