Mcmc.io MCMC University | Transforming the World Through Cryptocurrency Enlightenment
MCMC University empowers people with an understanding of cryptocurrency and offers the world's first Certified Cryptocurrency Specialist program
mcmc.io Mobile Performance
41/100
These metrics represent real-world Chrome users experience viewing mcmc.io 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.
Metrics
Largest Contentful Paint0/100 11.3 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
First Contentful Paint11/100 6.6 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Time to Interactive28/100 9.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index31/100 7.1 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Total Blocking Time100/100 40 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 3,840 ms
3,840 ms
Avoid multiple page redirects
Potential savings of 2,580 ms
2,580 ms
Enable text compression
Potential savings of 173 KiB
1,200 ms
Serve images in next-gen formats
Potential savings of 130 KiB
750 ms
Remove unused JavaScript
Potential savings of 172 KiB
600 ms
Remove unused CSS
Potential savings of 11 KiB
150 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
Avoid `document.write()`
Serve static assets with an efficient cache policy
38 resources found
Minimize main-thread work
3.6 s
Reduce JavaScript execution time
1.8 s
Keep request counts low and transfer sizes small
57 requests • 1,121 KiB
Avoid long main-thread tasks
6 long tasks found
Avoid chaining critical requests
19 chains found
Largest Contentful Paint element
1 element found
Passed Audits (16)
Efficiently encode images
Potential savings of 11 KiB
Avoids enormous network payloads
Total size was 1,121 KiB
Avoid serving legacy JavaScript to modern browsers
Avoids an excessive DOM size
265 elements
Preload key requests
Defer offscreen images
Potential savings of 55 KiB
Remove duplicate modules in JavaScript bundles
Minify JavaScript
Preconnect to required origins
Avoids large JavaScript libraries with smaller alternatives
0 large libraries found
Initial server response time was short
Root document took 70 ms
Properly size images
Potential savings of 6 KiB
Minimize third-party usage
Third-party code blocked the main thread for 100 ms
Uses passive listeners to improve scrolling performance
Use video formats for animated content
Minify CSS
mcmc.io Mobile SEO
83/100
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)
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Document does not have a meta description
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
95% appropriately sized tap targets
Passed Audits (10)
Page has successful HTTP status code
Document has a valid `hreflang`
Page isn’t blocked from indexing
Document has a valid `rel=canonical`
Document has a `<title>` element
Links have descriptive text
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document avoids plugins
Document uses legible font sizes
99.86% legible text
Image elements have `[alt]` attributes
mcmc.io Mobile Best Practices
71/100
These checks highlight opportunities to improve the overall code health of mcmc.io 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 (4)
General
Registers an `unload` listener
User Experience
Serves images with low resolution
Trust and Safety
Does not use HTTPS
1 insecure request found
Includes front-end JavaScript libraries with known security vulnerabilities
6 vulnerabilities detected
Passed Audits (12)
Page has valid source maps
Page has the HTML doctype
Avoids Application Cache
Displays images with correct aspect ratio
Properly defines charset
No browser errors logged to the console
Avoids requesting the notification permission on page load
Avoids deprecated APIs
Links to cross-origin destinations are safe
Allows users to paste into password fields
Avoids requesting the geolocation permission on page load
Detected JavaScript libraries
mcmc.io 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.
Should Fix (10)
PWA Optimized
Content is not sized correctly for the viewport
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
Does not set a theme color for the address bar.
Does not provide a valid `apple-touch-icon`
Fast and reliable
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Installable
Does not use HTTPS
1 insecure request found
Web app manifest does not meet the installability requirements
Does not register a service worker that controls page and `start_url`
Passed Audits (4)
Page load is fast enough on mobile networks
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
mcmc.io Mobile Accessibility
90/100
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 (3)
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.
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
`[id]` attributes on active, focusable elements are not unique
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (12)
`[aria-*]` attributes are valid and not misspelled
Document has a `<title>` element
The page contains a heading, skip link, or landmark region
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
`[aria-hidden="true"]` elements do not contain focusable descendents
`[aria-hidden="true"]` is not present on the document `<body>`
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
Image elements have `[alt]` attributes
`[aria-*]` attributes have valid values
`[aria-*]` attributes match their roles
Heading elements appear in a sequentially-descending order
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