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ouo.io Desktop Performance
94/100
These metrics represent real-world Chrome users experience viewing ouo.io web page. 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
First Input Delay
First Contentful Paint
Cumulative Layout Shift
Largest Contentful Paint
Metrics
Largest Contentful Paint82/100 1.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
First Contentful Paint92/100 0.9 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Speed Index99/100 0.9 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Time to Interactive100/100 1.0 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Cumulative Layout Shift100/100 0.001
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Total Blocking Time100/100 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (9)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused CSS
Potential savings of 52 KiB
120 ms
Eliminate render-blocking resources
Potential savings of 110 ms
110 ms
Remove unused JavaScript
Potential savings of 84 KiB
80 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
16 resources found
Avoid chaining critical requests
10 chains found
Largest Contentful Paint element
1 element found
Avoid large layout shifts
5 elements found
Keep request counts low and transfer sizes small
24 requests • 529 KiB
Passed Audits (19)
Properly size images
Potential savings of 10 KiB
Minify CSS
Avoids enormous network payloads
Total size was 529 KiB
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Avoids `document.write()`
Avoids an excessive DOM size
169 elements
Defer offscreen images
Efficiently encode images
Use video formats for animated content
Avoid multiple page redirects
Potential savings of 190 ms
Minify JavaScript
JavaScript execution time
0.1 s
Enable text compression
Uses passive listeners to improve scrolling performance
Serve images in next-gen formats
Preconnect to required origins
Initial server response time was short
Root document took 50 ms
Minimizes main-thread work
0.4 s
Preload key requests
ouo.io Desktop SEO
100/100
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.
Passed Audits (11)
Document avoids plugins
Document has a valid `hreflang`
Document has a `<title>` element
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Links are crawlable
Page has successful HTTP status code
Links have descriptive text
robots.txt is valid
Page isn’t blocked from indexing
Image elements have `[alt]` attributes
Document has a meta description
ouo.io Desktop Best Practices
85/100
These checks highlight opportunities to improve the overall code health of ouo.io 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 (2)
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)
Properly defines charset
Avoids Application Cache
Allows users to paste into password fields
Avoids requesting the geolocation permission on page load
Displays images with correct aspect ratio
No browser errors logged to the console
Page has the HTML doctype
Links to cross-origin destinations are safe
Avoids deprecated APIs
Detected JavaScript libraries
Serves images with appropriate resolution
Avoids requesting the notification permission on page load
ouo.io Desktop Progressive Web App
48/100
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 (8)
PWA Optimized
Does not set a theme color for the address bar.
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
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
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
Passed Audits (5)
Redirects HTTP traffic to HTTPS
Contains some content when JavaScript is not available
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Provides a valid `apple-touch-icon`
Page load is fast enough on mobile networks
ouo.io Desktop Accessibility
54/100
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 (5)
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
Best practices
These items highlight common accessibility best practices.
`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
Passed Audits (9)
`<html>` element has a valid value for its `[lang]` attribute
Document has a `<title>` element
`[aria-hidden="true"]` elements do not contain focusable descendents
`[aria-hidden="true"]` is not present on the document `<body>`
`[id]` attributes on active, focusable elements are unique
Links have a discernible name
Image elements have `[alt]` attributes
`<html>` element has a `[lang]` attribute
The page contains a heading, skip link, or landmark region
Desktop Speed
83/100
These checks analyze the performance of ouo.io on desktop devices and return PageSpeed score and information on how to improve the load time. What makes a good Progressive Web App?
Should Fix (5)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Optimize images
Minify CSS
Minify JavaScript
Passed Audits (5)
Avoid landing page redirects
Enable compression
Reduce server response time
Minify HTML
Prioritize visible content
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