Vedu.ru Поволжский Образовательный Портал
Как поступить в вуз и получить высшее образование. Помощь абитуриентам и студентам. Последние новости образования Самары.
vedu.ru Desktop Performance
84/100
These metrics represent real-world Chrome users experience viewing vedu.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 Contentful Paint
Largest Contentful Paint
Cumulative Layout Shift
First Input Delay
Metrics
Speed Index37/100 2.7 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Total Blocking Time87/100 170 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Time to Interactive95/100 2.1 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint95/100 0.8 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Largest Contentful Paint95/100 1.0 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Cumulative Layout Shift97/100 0.063
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (12)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Reduce initial server response time
Root document took 1,420 ms
822 ms
Remove unused JavaScript
Potential savings of 384 KiB
630 ms
Eliminate render-blocking resources
Potential savings of 70 ms
70 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Avoid `document.write()`
Ensure text remains visible during webfont load
Serve static assets with an efficient cache policy
12 resources found
Avoid long main-thread tasks
3 long tasks found
Largest Contentful Paint element
1 element found
Keep request counts low and transfer sizes small
70 requests • 761 KiB
User Timing marks and measures
4 user timings
Avoid chaining critical requests
14 chains found
Avoid large layout shifts
5 elements found
Passed Audits (18)
Properly size images
Avoids an excessive DOM size
381 elements
Use video formats for animated content
Defer offscreen images
Uses passive listeners to improve scrolling performance
Remove unused CSS
Efficiently encode images
JavaScript execution time
0.5 s
Preconnect to required origins
Serve images in next-gen formats
Potential savings of 10 KiB
Minimizes main-thread work
1.1 s
Enable text compression
Potential savings of 39 KiB
Avoid multiple page redirects
Potential savings of 190 ms
Minify CSS
Preload key requests
Minimize third-party usage
Third-party code blocked the main thread for 140 ms
Avoids enormous network payloads
Total size was 761 KiB
Minify JavaScript
vedu.ru Desktop 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)
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Passed Audits (11)
Document has a `<title>` element
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Page has successful HTTP status code
Document avoids plugins
Document has a valid `rel=canonical`
Document has a meta description
robots.txt is valid
Page isn’t blocked from indexing
Links have descriptive text
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
vedu.ru Desktop Best Practices
62/100
These checks highlight opportunities to improve the overall code health of vedu.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 (5)
Trust and Safety
Links to cross-origin destinations are unsafe
Includes front-end JavaScript libraries with known security vulnerabilities
4 vulnerabilities detected
Does not use HTTPS
1 insecure request found
General
Browser errors were logged to the console
User Experience
Serves images with low resolution
Passed Audits (9)
Avoids requesting the geolocation permission on page load
Avoids deprecated APIs
Properly defines charset
Detected JavaScript libraries
Allows users to paste into password fields
Displays images with correct aspect ratio
Page has the HTML doctype
Avoids requesting the notification permission on page load
Avoids Application Cache
vedu.ru Desktop Progressive Web App
44/100
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
Manifest doesn't have a maskable icon
Does not provide a valid `apple-touch-icon`
Does not set a theme color for the address bar.
Is not configured for a custom splash screen
Fast and reliable
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)
Redirects HTTP traffic to HTTPS
Contains some content when JavaScript is not available
Page load is fast enough on mobile networks
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
vedu.ru Desktop Accessibility
92/100
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 (2)
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.
Form elements do not have associated labels
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (23)
No element has a `[tabindex]` value greater than 0
`[aria-hidden="true"]` is not present on the document `<body>`
Buttons have an accessible name
The page contains a heading, skip link, or landmark region
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
Document has a `<title>` element
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Image elements have `[alt]` attributes
`[aria-*]` attributes match their roles
Links have a discernible name
`[aria-*]` attributes are valid and not misspelled
`[role]`s are contained by their required parent element
`[aria-*]` attributes have valid values
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`[role]`s have all required `[aria-*]` attributes
`<html>` element has a `[lang]` attribute
Heading elements appear in a sequentially-descending order
ARIA IDs are unique
`[role]` values are valid
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`<html>` element has a valid value for its `[lang]` attribute
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Desktop Speed
81/100
These checks analyze the performance of vedu.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 (7)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Enable compression
Reduce server response time
Optimize images
Minify CSS
Minify HTML
Passed Audits (3)
Avoid landing page redirects
Minify JavaScript
Prioritize visible content
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