Rzd.ru Пассажирам
rzd.ru Mobile Performance
28/100
These metrics represent real-world Chrome users experience viewing rzd.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
First Contentful Paint
Largest Contentful Paint
Cumulative Layout Shift
First Input Delay
Metrics
Largest Contentful Paint0/100 12.0 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
First Contentful Paint7/100 7.5 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Time to Interactive11/100 13.7 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index27/100 7.5 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Total Blocking Time67/100 470 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 (21)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Enable text compression
Potential savings of 591 KiB
3,900 ms
Eliminate render-blocking resources
Potential savings of 3,520 ms
3,515 ms
Serve images in next-gen formats
Potential savings of 463 KiB
2,250 ms
Remove unused JavaScript
Potential savings of 293 KiB
1,500 ms
Avoid multiple page redirects
Potential savings of 1,110 ms
1,110 ms
Remove unused CSS
Potential savings of 134 KiB
1,050 ms
Preload key requests
Potential savings of 930 ms
930 ms
Minify JavaScript
Potential savings of 137 KiB
750 ms
Efficiently encode images
Potential savings of 141 KiB
750 ms
Minify CSS
Potential savings of 31 KiB
150 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Reduce the impact of third-party code
Third-party code blocked the main thread for 1,500 ms
Ensure text remains visible during webfont load
Serve static assets with an efficient cache policy
48 resources found
Minimize main-thread work
4.7 s
Avoid an excessive DOM size
1,564 elements
Reduce JavaScript execution time
2.5 s
Avoid large layout shifts
1 element found
Largest Contentful Paint element
1 element found
Avoid long main-thread tasks
17 long tasks found
Avoid chaining critical requests
27 chains found
Keep request counts low and transfer sizes small
61 requests • 2,338 KiB
Passed Audits (8)
Uses passive listeners to improve scrolling performance
Initial server response time was short
Root document took 460 ms
Use video formats for animated content
Defer offscreen images
Properly size images
Preconnect to required origins
Avoids enormous network payloads
Total size was 2,338 KiB
Avoids `document.write()`
rzd.ru Mobile SEO
99/100
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 (1)
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
98% appropriately sized tap targets
Passed Audits (12)
Document has a meta description
Document has a `<title>` element
Document uses legible font sizes
100% legible text
Document has a valid `hreflang`
Image elements have `[alt]` attributes
robots.txt is valid
Page has successful HTTP status code
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Page isn’t blocked from indexing
Document avoids plugins
Links are crawlable
Links have descriptive text
rzd.ru Mobile Best Practices
77/100
These checks highlight opportunities to improve the overall code health of rzd.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)
Trust and Safety
Does not use HTTPS
1 insecure request found
Includes front-end JavaScript libraries with known security vulnerabilities
11 vulnerabilities detected
Links to cross-origin destinations are unsafe
Passed Audits (11)
Properly defines charset
Allows users to paste into password fields
Serves images with appropriate resolution
Avoids requesting the geolocation permission on page load
Page has the HTML doctype
Displays images with correct aspect ratio
Detected JavaScript libraries
Avoids Application Cache
No browser errors logged to the console
Avoids deprecated APIs
Avoids requesting the notification permission on page load
rzd.ru Mobile Progressive Web App
21/100
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
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
Manifest doesn't have a maskable icon
Fast and reliable
Page load is not fast enough on mobile networks
Interactive at 13.7 s
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
Installable
Web app manifest does not meet the installability requirements
Does not use HTTPS
1 insecure request found
Does not register a service worker that controls page and `start_url`
Passed Audits (4)
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
Content is sized correctly for the viewport
rzd.ru Mobile Accessibility
77/100
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)
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
Navigation
These are opportunities to improve keyboard navigation in your application.
Some elements have a `[tabindex]` value greater than 0
Heading elements are not in a sequentially-descending order
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.
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (15)
`[aria-*]` attributes have valid values
Document has a `<title>` element
Links have a discernible name
`[aria-hidden="true"]` elements do not contain focusable descendents
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Image elements have `[alt]` attributes
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[aria-*]` attributes match their roles
Form elements have associated labels
`[aria-hidden="true"]` is not present on the document `<body>`
`<html>` element has a valid value for its `[lang]` attribute
The page contains a heading, skip link, or landmark region
ARIA IDs are unique
`[aria-*]` attributes are valid and not misspelled
`<html>` element has a `[lang]` attribute
Mobile Usability
52/100
These checks validate how easily a visitor can use rzd.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 (5)
Use legible font sizes
Size content to viewport
Size tap targets appropriately
Configure the viewport
Avoid plugins
Mobile Speed
61/100
These checks analyze the performance of rzd.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 (5)
Leverage browser caching
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Optimize images
Minify JavaScript
Minify HTML
Passed Audits (5)
Avoid landing page redirects
Enable compression
Reduce server response time
Minify CSS
Prioritize visible content
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