Mit.edu MIT - Massachusetts Institute of Technology

mit.edu Mobile Performance
63/100
These metrics represent real-world Chrome users experience viewing mit.edu on mobile devices. Reports are focused on loading performance and other critical factors that most affect user experience. Follow our guide to track, optimize, and improve the quality of your web pages.

User Loading Experience

Cumulative Layout Shift

Largest Contentful Paint

First Contentful Paint

First Input Delay

Metrics


Largest Contentful Paint20/100 5.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More

Time to Interactive45/100 7.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.

Total Blocking Time64/100 490 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.

First Contentful Paint99/100 1.6 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.

Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.

Speed Index100/100 1.6 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.

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.

mit.edu Mobile SEO
92/100
These checks ensure that your page is optimized for search engine results ranking. There are additional factors Lighthouse does not check that may affect your search ranking. Learn more. Run these additional validators on your site to check additional SEO best practices.
Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

mit.edu Mobile Best Practices
77/100
These checks highlight opportunities to improve the overall code health of mit.edu mobile page. Current recommendations will help to make your page fast and secure, to create a good user experience and to avoid deprecated technologies.
General

Trust and Safety

mit.edu Mobile Progressive Web App
43/100
These checks validate the aspects of a Progressive Web App. Learn more. These checks are required by the baseline PWA Checklist but are not automatically checked by Lighthouse. They do not affect your score but it's important that you verify them manually.
PWA Optimized

Fast and reliable

Installable

mit.edu Mobile Accessibility
99/100
These checks highlight opportunities to improve the accessibility of your web app. Only a subset of accessibility issues can be automatically detected so manual testing is also encouraged. These items address areas which an automated testing tool cannot cover. Learn more in our guide on conducting an accessibility review.
Navigation

These are opportunities to improve keyboard navigation in your application.

Mobile Usability
99/100
These checks validate how easily a visitor can use mit.edu on a mobile device. Test results include a list of any mobile usability problems. Mobile usability problems are issues that can affect a user that visits the page on a mobile (small screen) device, including small font sizes (which are hard to read on a small screen).
Mobile Speed
64/100
These checks analyze the performance of mit.edu on mobile devices and return PageSpeed score and information on how to improve the load time. What makes a good Progressive Web App?
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