Eljur.ru Электронный журнал в школе для учителей и электронный дневник для родителей и учеников – Электронный журнал ЭлЖур.ру · Eljur.Ru
Электронный школьный журнал – новый инструмент учителя и администрации, прекрасный помощник для родителей и учеников. Что это такое, как и для чего им...
eljur.ru Mobile Performance
37/100
These metrics represent real-world Chrome users experience viewing eljur.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
Largest Contentful Paint
First Input Delay
First Contentful Paint
Metrics
Largest Contentful Paint0/100 12.8 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive18/100 11.7 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Total Blocking Time22/100 940 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Speed Index59/100 5.3 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint99/100 1.6 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 (17)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused CSS
Potential savings of 428 KiB
4,500 ms
Remove unused JavaScript
Potential savings of 303 KiB
2,700 ms
Minify JavaScript
Potential savings of 193 KiB
1,800 ms
Eliminate render-blocking resources
Potential savings of 820 ms
822 ms
Serve images in next-gen formats
Potential savings of 114 KiB
450 ms
Defer offscreen images
Potential savings of 163 KiB
300 ms
Reduce initial server response time
Root document took 720 ms
115 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 790 ms
Ensure text remains visible during webfont load
Serve static assets with an efficient cache policy
55 resources found
Minimize main-thread work
4.0 s
Reduce JavaScript execution time
1.8 s
Keep request counts low and transfer sizes small
64 requests • 1,689 KiB
Avoid long main-thread tasks
9 long tasks found
Avoid large layout shifts
5 elements found
Avoid chaining critical requests
7 chains found
Largest Contentful Paint element
1 element found
Passed Audits (12)
Preload key requests
Use video formats for animated content
Minify CSS
Avoids enormous network payloads
Total size was 1,689 KiB
Efficiently encode images
Potential savings of 18 KiB
Preconnect to required origins
Uses passive listeners to improve scrolling performance
Avoids an excessive DOM size
331 elements
Avoids `document.write()`
Enable text compression
Avoid multiple page redirects
Properly size images
eljur.ru Mobile SEO
69/100
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 (4)
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
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Document doesn't use legible font sizes
Passed Audits (9)
Page has successful HTTP status code
Document has a `<title>` element
Document avoids plugins
Links are crawlable
Page isn’t blocked from indexing
Document has a meta description
Document has a valid `hreflang`
Links have descriptive text
robots.txt is valid
eljur.ru Mobile Best Practices
54/100
These checks highlight opportunities to improve the overall code health of eljur.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)
Browser Compatibility
Page lacks the HTML doctype, thus triggering quirks-mode
General
Browser errors were logged to the console
User Experience
Serves images with low resolution
Trust and Safety
Includes front-end JavaScript libraries with known security vulnerabilities
6 vulnerabilities detected
Links to cross-origin destinations are unsafe
Does not use HTTPS
34 insecure requests found
Passed Audits (8)
Detected JavaScript libraries
Allows users to paste into password fields
Avoids requesting the geolocation permission on page load
Avoids requesting the notification permission on page load
Properly defines charset
Displays images with correct aspect ratio
Avoids deprecated APIs
Avoids Application Cache
eljur.ru Mobile Progressive Web App
4/100
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 (13)
PWA Optimized
Manifest doesn't have a maskable icon
Does not set a theme color for the address bar.
Does not redirect HTTP traffic to HTTPS
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Is not configured for a custom splash screen
Content is not sized correctly for the viewport
Does not provide a valid `apple-touch-icon`
Fast and reliable
Current page does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive at 11.7 s
`start_url` does not respond with a 200 when offline
Installable
Web app manifest does not meet the installability requirements
Does not register a service worker that controls page and `start_url`
Does not use HTTPS
34 insecure requests found
Passed Audits (1)
Contains some content when JavaScript is not available
eljur.ru Mobile Accessibility
57/100
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)
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
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.
Image elements do not have `[alt]` attributes
`<frame>` or `<iframe>` elements do not have a title
Links do not have a discernible name
Passed Audits (7)
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Document has a `<title>` element
The page contains a heading, skip link, or landmark region
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`[aria-hidden="true"]` is not present on the document `<body>`
Background and foreground colors have a sufficient contrast ratio
`[lang]` attributes have a valid value
Mobile Usability
66/100
These checks validate how easily a visitor can use eljur.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 (4)
Use legible font sizes
Configure the viewport
Size content to viewport
Size tap targets appropriately
Passed Audits (1)
Avoid plugins
Mobile Speed
63/100
These checks analyze the performance of eljur.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 (4)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Optimize images
Minify JavaScript
Passed Audits (6)
Avoid landing page redirects
Enable compression
Reduce server response time
Minify CSS
Minify HTML
Prioritize visible content
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