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1tv.ru Desktop Performance
18/100
These metrics represent real-world Chrome users experience viewing 1tv.ru 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
Largest Contentful Paint
Cumulative Layout Shift
First Contentful Paint
Metrics
Time to Interactive2/100 11.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index2/100 5.6 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Cumulative Layout Shift4/100 0.895
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Total Blocking Time16/100 670 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Largest Contentful Paint24/100 3.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
First Contentful Paint49/100 1.6 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Should Fix (25)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused CSS
Potential savings of 784 KiB
2,470 ms
Preload key requests
Potential savings of 1,910 ms
1,910 ms
Remove unused JavaScript
Potential savings of 1,206 KiB
1,260 ms
Defer offscreen images
Potential savings of 1,347 KiB
1,120 ms
Serve images in next-gen formats
Potential savings of 888 KiB
760 ms
Reduce initial server response time
Root document took 1,060 ms
464 ms
Eliminate render-blocking resources
Potential savings of 450 ms
448 ms
Avoid multiple page redirects
Potential savings of 380 ms
380 ms
Efficiently encode images
Potential savings of 460 KiB
320 ms
Minify JavaScript
Potential savings of 193 KiB
290 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 610 ms
Avoid `document.write()`
Does not use passive listeners to improve scrolling performance
Ensure text remains visible during webfont load
Avoid enormous network payloads
Total size was 16,420 KiB
Serve static assets with an efficient cache policy
245 resources found
Avoid an excessive DOM size
2,140 elements
Minimize main-thread work
5.8 s
Reduce JavaScript execution time
2.7 s
Avoid long main-thread tasks
12 long tasks found
Avoid large layout shifts
5 elements found
Largest Contentful Paint element
1 element found
Keep request counts low and transfer sizes small
538 requests • 16,420 KiB
Avoid chaining critical requests
16 chains found
User Timing marks and measures
4 user timings
Passed Audits (5)
Preconnect to required origins
Minify CSS
Properly size images
Use video formats for animated content
Enable text compression
1tv.ru 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)
Page has successful HTTP status code
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a meta description
Document avoids plugins
Links have descriptive text
Document has a valid `hreflang`
Document has a `<title>` element
robots.txt is valid
Links are crawlable
Image elements have `[alt]` attributes
Page isn’t blocked from indexing
1tv.ru Desktop Best Practices
77/100
These checks highlight opportunities to improve the overall code health of 1tv.ru 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)
General
Browser errors were logged to the console
Trust and Safety
Does not use HTTPS
2 insecure requests found
Includes front-end JavaScript libraries with known security vulnerabilities
7 vulnerabilities detected
Passed Audits (11)
Avoids Application Cache
Avoids requesting the geolocation permission on page load
Page has the HTML doctype
Avoids deprecated APIs
Allows users to paste into password fields
Links to cross-origin destinations are safe
Avoids requesting the notification permission on page load
Displays images with correct aspect ratio
Serves images with appropriate resolution
Detected JavaScript libraries
Properly defines charset
1tv.ru Desktop Progressive Web App
22/100
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.
Installable
Does not use HTTPS
2 insecure requests found
Does not register a service worker that controls page and `start_url`
Web app manifest does not meet the installability requirements
Fast and reliable
`start_url` does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 58.4 s
Current page does not respond with a 200 when offline
Passed Audits (4)
Provides a valid `apple-touch-icon`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
1tv.ru Desktop Accessibility
68/100
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 (10)
Navigation
These are opportunities to improve keyboard navigation in your application.
Some elements have a `[tabindex]` value greater than 0
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>`).
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 match their roles
ARIA input fields do not have accessible names
Elements with an ARIA `[role]` that require children to contain a specific `[role]` are missing some or all of those required children.
`[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
Buttons do not have an accessible name
`<frame>` or `<iframe>` elements do not have a title
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (16)
`[id]` attributes on active, focusable elements are unique
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`<html>` element has a `[lang]` attribute
`[aria-*]` attributes have valid values
`[role]`s are contained by their required parent element
`<html>` element has a valid value for its `[lang]` attribute
Heading elements appear in a sequentially-descending order
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`[role]` values are valid
The page contains a heading, skip link, or landmark region
ARIA IDs are unique
`[aria-*]` attributes are valid and not misspelled
Document has a `<title>` element
`[role]`s have all required `[aria-*]` attributes
Image elements have `[alt]` attributes
`[aria-hidden="true"]` is not present on the document `<body>`
Desktop Speed
47/100
These checks analyze the performance of 1tv.ru 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 (6)
Optimize images
Leverage browser caching
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Enable compression
Minify JavaScript
Prioritize visible content
Passed Audits (4)
Avoid landing page redirects
Reduce server response time
Minify CSS
Minify HTML
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