Ihmc.us IHMC
The Institute for Human & Machine Cognition (IHMC) pioneers technologies aimed at leveraging and extending human capabilities.
ihmc.us Mobile Performance
45/100
These metrics represent real-world Chrome users experience viewing ihmc.us 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 Input Delay
First Contentful Paint
Metrics
Largest Contentful Paint0/100 10.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index25/100 7.7 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint33/100 4.8 s
First Contentful Paint marks the time at which the first 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 Time98/100 190 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (15)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Eliminate render-blocking resources
Potential savings of 2,800 ms
2,797 ms
Avoid multiple page redirects
Potential savings of 1,110 ms
1,110 ms
Serve images in next-gen formats
Potential savings of 113 KiB
600 ms
Remove unused CSS
Potential savings of 40 KiB
450 ms
Remove unused JavaScript
Potential savings of 62 KiB
150 ms
Minify JavaScript
Potential savings of 5 KiB
150 ms
Reduce initial server response time
Root document took 630 ms
31 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Ensure text remains visible during webfont load
Serve static assets with an efficient cache policy
6 resources found
Minimize main-thread work
2.4 s
Avoid an excessive DOM size
924 elements
Keep request counts low and transfer sizes small
56 requests • 1,124 KiB
Avoid chaining critical requests
22 chains found
Avoid long main-thread tasks
9 long tasks found
Largest Contentful Paint element
1 element found
Passed Audits (13)
Properly size images
Potential savings of 46 KiB
Preconnect to required origins
JavaScript execution time
0.9 s
Avoids `document.write()`
Preload key requests
Efficiently encode images
Enable text compression
Uses passive listeners to improve scrolling performance
Use video formats for animated content
Minify CSS
Potential savings of 3 KiB
Minimize third-party usage
Third-party code blocked the main thread for 100 ms
Avoids enormous network payloads
Total size was 1,124 KiB
Defer offscreen images
Potential savings of 14 KiB
ihmc.us Mobile SEO
85/100
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.
Should Fix (3)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Image elements do not have `[alt]` attributes
Links do not have descriptive text
3 links found
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.
Tap targets are not sized appropriately
93% appropriately sized tap targets
Passed Audits (11)
Document has a `<title>` element
Document uses legible font sizes
98.64% legible text
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Page isn’t blocked from indexing
robots.txt is valid
Links are crawlable
Page has successful HTTP status code
Document has a valid `rel=canonical`
Document has a valid `hreflang`
Document avoids plugins
Document has a meta description
ihmc.us Mobile Best Practices
62/100
These checks highlight opportunities to improve the overall code health of ihmc.us mobile page. Current recommendations will help to make your page fast and secure, to create a good user experience and to avoid deprecated technologies.
Should Fix (5)
Trust and Safety
Includes front-end JavaScript libraries with known security vulnerabilities
9 vulnerabilities detected
Links to cross-origin destinations are unsafe
Does not use HTTPS
1 insecure request found
User Experience
Serves images with low resolution
Displays images with incorrect aspect ratio
Passed Audits (9)
No browser errors logged to the console
Properly defines charset
Avoids requesting the notification permission on page load
Allows users to paste into password fields
Page has the HTML doctype
Avoids requesting the geolocation permission on page load
Detected JavaScript libraries
Avoids Application Cache
Avoids deprecated APIs
ihmc.us Mobile Progressive Web App
46/100
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.
Should Fix (9)
PWA Optimized
Is not configured for a custom splash screen
Content is not sized correctly for the viewport
Does not set a theme color for the address bar.
Manifest doesn't have a maskable icon
Installable
Does not register a service worker that controls page and `start_url`
Web app manifest does not meet the installability requirements
Does not use HTTPS
1 insecure request found
Fast and reliable
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Passed Audits (5)
Contains some content when JavaScript is not available
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Page load is fast enough on mobile networks
Redirects HTTP traffic to HTTPS
Provides a valid `apple-touch-icon`
ihmc.us Mobile Accessibility
65/100
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.
Should Fix (8)
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.
`[role]`s are not contained by their required parent element
`[aria-*]` attributes do not have valid values
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.
Buttons do not have an accessible name
Links do not have a discernible name
Image elements do not have `[alt]` attributes
Form elements do not have associated labels
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (18)
`[role]` values are valid
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Document has a `<title>` element
`<html>` element has a `[lang]` attribute
`[role]`s have all required `[aria-*]` attributes
`[aria-*]` attributes match their roles
`[id]` attributes on active, focusable elements are unique
`[aria-hidden="true"]` elements do not contain focusable descendents
`[aria-*]` attributes are valid and not misspelled
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
`<html>` element has a valid value for its `[lang]` attribute
No element has a `[tabindex]` value greater than 0
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
The page contains a heading, skip link, or landmark region
`[aria-hidden="true"]` is not present on the document `<body>`
ARIA IDs are unique
Mobile Usability
99/100
These checks validate how easily a visitor can use ihmc.us 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).
Should Fix (1)
Size tap targets appropriately
Passed Audits (4)
Avoid plugins
Configure the viewport
Size content to viewport
Use legible font sizes
Mobile Speed
31/100
These checks analyze the performance of ihmc.us on mobile devices and return PageSpeed score and information on how to improve the load time. What makes a good Progressive Web App?
Should Fix (9)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Optimize images
Avoid landing page redirects
Enable compression
Leverage browser caching
Reduce server response time
Minify CSS
Minify JavaScript
Minify HTML
Passed Audits (1)
Prioritize visible content
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