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ok.ru Mobile Performance
35/100
These metrics represent real-world Chrome users experience viewing ok.ru 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
First Input Delay
First Contentful Paint
Largest Contentful Paint
Metrics
Largest Contentful Paint3/100 7.8 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index5/100 11.5 s
Speed Index shows how quickly the contents of a page are visibly populated. 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.
Total Blocking Time56/100 550 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
First Contentful Paint68/100 3.3 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.
Should Fix (14)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused CSS
Potential savings of 135 KiB
1,650 ms
Eliminate render-blocking resources
Potential savings of 1,310 ms
1,311 ms
Avoid multiple page redirects
Potential savings of 1,110 ms
1,110 ms
Remove unused JavaScript
Potential savings of 161 KiB
750 ms
Reduce initial server response time
Root document took 1,100 ms
501 ms
Defer offscreen images
Potential savings of 106 KiB
450 ms
Serve images in next-gen formats
Potential savings of 38 KiB
300 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Does not use passive listeners to improve scrolling performance
Serve static assets with an efficient cache policy
46 resources found
Minimize main-thread work
4.3 s
Avoid long main-thread tasks
10 long tasks found
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
3 chains found
Keep request counts low and transfer sizes small
115 requests • 961 KiB
Passed Audits (13)
Use video formats for animated content
Minify CSS
Avoids `document.write()`
Properly size images
Avoids enormous network payloads
Total size was 961 KiB
JavaScript execution time
0.8 s
Enable text compression
Avoids an excessive DOM size
518 elements
All text remains visible during webfont loads
Minify JavaScript
Preconnect to required origins
Preload key requests
Efficiently encode images
ok.ru 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.
Image elements do not have `[alt]` attributes
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
92% appropriately sized tap targets
Passed Audits (10)
Page has successful HTTP status code
Links have descriptive text
Page isn’t blocked from indexing
Document has a `<title>` element
Document avoids plugins
Document uses legible font sizes
89.57% legible text
Document has a meta description
robots.txt is valid
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a valid `hreflang`
ok.ru Mobile Best Practices
77/100
These checks highlight opportunities to improve the overall code health of ok.ru 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 (3)
User Experience
Serves images with low resolution
Browser Compatibility
Page lacks the HTML doctype, thus triggering quirks-mode
Trust and Safety
Does not use HTTPS
1 insecure request found
Passed Audits (11)
Avoids deprecated APIs
Allows users to paste into password fields
Properly defines charset
Detected JavaScript libraries
No browser errors logged to the console
Avoids Application Cache
Avoids requesting the geolocation permission on page load
Avoids front-end JavaScript libraries with known security vulnerabilities
Avoids requesting the notification permission on page load
Displays images with correct aspect ratio
Links to cross-origin destinations are safe
ok.ru Mobile Progressive Web App
54/100
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)
Fast and reliable
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
PWA Optimized
Manifest doesn't have a maskable icon
Does not set a theme color for the address bar.
Does not provide a valid `apple-touch-icon`
Is not configured for a custom splash screen
Installable
Does not register a service worker that controls page and `start_url`
Does not use HTTPS
1 insecure request found
Passed Audits (6)
Contains some content when JavaScript is not available
Content is sized correctly for the viewport
Web app manifest meets the installability requirements
Page load is fast enough on mobile networks
Redirects HTTP traffic to HTTPS
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
ok.ru Mobile Accessibility
64/100
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 (11)
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.
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.
`[aria-*]` attributes do not have valid values
`[aria-*]` attributes do not match their roles
`[aria-hidden="true"]` elements contain focusable descendents
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
Image elements do not have `[alt]` attributes
No form fields have multiple labels
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Tables and lists
These are opportunities to to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are not contained within `<ul>` or `<ol>` parent elements.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
`<html>` element does not have a `[lang]` attribute
Passed Audits (14)
Buttons have an accessible name
No element has a `[tabindex]` value greater than 0
`[aria-*]` attributes are valid and not misspelled
Heading elements appear in a sequentially-descending order
`[id]` attributes on active, focusable elements are unique
Document has a `<title>` element
The page contains a heading, skip link, or landmark region
Form elements have associated labels
`[role]`s are contained by their required parent element
ARIA IDs are unique
`[role]` values are valid
`[role]`s have all required `[aria-*]` attributes
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[aria-hidden="true"]` is not present on the document `<body>`
Mobile Usability
99/100
These checks validate how easily a visitor can use ok.ru 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
59/100
These checks analyze the performance of ok.ru 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 (6)
Avoid landing page redirects
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Prioritize visible content
Leverage browser caching
Enable compression
Optimize images
Passed Audits (4)
Reduce server response time
Minify CSS
Minify HTML
Minify JavaScript
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