Tass.ru Новости в России и мире - ТАСС
События в России и мире. Аналитические публикации. Материалы пресс-конференций. Видео- и фоторепортажи
tass.ru Mobile Performance
5/100
These metrics represent real-world Chrome users experience viewing tass.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
Largest Contentful Paint
Cumulative Layout Shift
First Contentful Paint
First Input Delay
Metrics
Speed Index0/100 22.8 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Largest Contentful Paint0/100 19.2 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive0/100 30.1 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Total Blocking Time1/100 2,610 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
First Contentful Paint3/100 8.7 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift78/100 0.145
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.
Defer offscreen images
Potential savings of 3,640 KiB
18,630 ms
Serve images in next-gen formats
Potential savings of 2,251 KiB
12,590 ms
Eliminate render-blocking resources
Potential savings of 10,160 ms
10,164 ms
Efficiently encode images
Potential savings of 1,272 KiB
7,010 ms
Remove unused JavaScript
Potential savings of 383 KiB
2,290 ms
Properly size images
Potential savings of 76 KiB
570 ms
Enable text compression
Potential savings of 59 KiB
240 ms
Minify JavaScript
Potential savings of 25 KiB
210 ms
Reduce initial server response time
Root document took 760 ms
162 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 2,640 ms
Avoid `document.write()`
Minimize main-thread work
15.6 s
Serve static assets with an efficient cache policy
26 resources found
Reduce JavaScript execution time
10.2 s
Avoid enormous network payloads
Total size was 5,797 KiB
Avoid an excessive DOM size
1,505 elements
Avoid large layout shifts
3 elements found
Largest Contentful Paint element
1 element found
Keep request counts low and transfer sizes small
246 requests • 5,797 KiB
Avoid chaining critical requests
58 chains found
Avoid long main-thread tasks
20 long tasks found
Passed Audits (8)
All text remains visible during webfont loads
Preload key requests
Remove unused CSS
Use video formats for animated content
Minify CSS
Avoid multiple page redirects
Potential savings of 630 ms
Uses passive listeners to improve scrolling performance
Preconnect to required origins
tass.ru Mobile SEO
92/100
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)
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
Passed Audits (12)
Document uses legible font sizes
100% legible text
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a `<title>` element
Page has successful HTTP status code
Tap targets are sized appropriately
100% appropriately sized tap targets
Document avoids plugins
robots.txt is valid
Links are crawlable
Links have descriptive text
Document has a valid `hreflang`
Document has a meta description
Page isn’t blocked from indexing
tass.ru Mobile Best Practices
54/100
These checks highlight opportunities to improve the overall code health of tass.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 (6)
General
Browser errors were logged to the console
Trust and Safety
Does not use HTTPS
1 insecure request found
Includes front-end JavaScript libraries with known security vulnerabilities
4 vulnerabilities detected
Links to cross-origin destinations are unsafe
Requests the notification permission on page load
User Experience
Serves images with low resolution
Passed Audits (8)
Avoids Application Cache
Detected JavaScript libraries
Avoids deprecated APIs
Allows users to paste into password fields
Properly defines charset
Avoids requesting the geolocation permission on page load
Page has the HTML doctype
Displays images with correct aspect ratio
tass.ru Mobile Progressive Web App
25/100
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
Manifest doesn't have a maskable icon
Does not set a theme color for the address bar.
Fast and reliable
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive at 30.1 s
Installable
Does not use HTTPS
1 insecure request found
Does not register a service worker that controls page and `start_url`
Web app manifest does not meet the installability requirements
Passed Audits (5)
Contains some content when JavaScript is not available
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Redirects HTTP traffic to HTTPS
Provides a valid `apple-touch-icon`
Content is sized correctly for the viewport
tass.ru Mobile Accessibility
43/100
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 (6)
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
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
Buttons do not have an accessible name
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
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 (8)
`[aria-hidden="true"]` elements do not contain focusable descendents
Heading elements appear in a sequentially-descending order
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Document has a `<title>` element
`[aria-hidden="true"]` is not present on the document `<body>`
The page contains a heading, skip link, or landmark region
`[id]` attributes on active, focusable elements are unique
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Mobile Usability
100/100
These checks validate how easily a visitor can use tass.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).
Passed Audits (5)
Avoid plugins
Configure the viewport
Size content to viewport
Size tap targets appropriately
Use legible font sizes
Mobile Speed
27/100
These checks analyze the performance of tass.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)
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Enable compression
Minify JavaScript
Passed Audits (5)
Avoid landing page redirects
Reduce server response time
Minify CSS
Minify HTML
Prioritize visible content
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