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zaycev.net Mobile Performance
24/100
These metrics represent real-world Chrome users experience viewing zaycev.net 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 Input Delay
First Contentful Paint
Cumulative Layout Shift
Largest Contentful Paint
Metrics
Total Blocking Time0/100 3,370 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Largest Contentful Paint0/100 12.9 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive13/100 13.2 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index24/100 7.8 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint90/100 2.3 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 (13)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused JavaScript
Potential savings of 227 KiB
1,650 ms
Reduce initial server response time
Root document took 1,650 ms
1,049 ms
Eliminate render-blocking resources
Potential savings of 150 ms
150 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Avoid `document.write()`
Reduce the impact of third-party code
Third-party code blocked the main thread for 1,040 ms
Minimize main-thread work
13.9 s
Reduce JavaScript execution time
6.9 s
Serve static assets with an efficient cache policy
10 resources found
Keep request counts low and transfer sizes small
109 requests • 1,239 KiB
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
6 chains found
User Timing marks and measures
4 user timings
Avoid long main-thread tasks
20 long tasks found
Passed Audits (16)
All text remains visible during webfont loads
Efficiently encode images
Preload key requests
Preconnect to required origins
Serve images in next-gen formats
Avoids an excessive DOM size
367 elements
Defer offscreen images
Remove unused CSS
Enable text compression
Use video formats for animated content
Avoids enormous network payloads
Total size was 1,239 KiB
Uses passive listeners to improve scrolling performance
Minify CSS
Avoid multiple page redirects
Potential savings of 630 ms
Properly size images
Potential savings of 24 KiB
Minify JavaScript
zaycev.net 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 avoids plugins
Page isn’t blocked from indexing
Document has a meta description
Document has a valid `hreflang`
Document uses legible font sizes
100% legible text
Page has successful HTTP status code
Image elements have `[alt]` attributes
Links are crawlable
robots.txt is valid
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a `<title>` element
Links have descriptive text
zaycev.net Mobile Best Practices
77/100
These checks highlight opportunities to improve the overall code health of zaycev.net 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
Links to cross-origin destinations are unsafe
General
Browser errors were logged to the console
Passed Audits (11)
Properly defines charset
Avoids requesting the notification permission on page load
Avoids requesting the geolocation permission on page load
Serves images with appropriate resolution
Avoids deprecated APIs
Detected JavaScript libraries
Displays images with correct aspect ratio
Avoids Application Cache
Avoids front-end JavaScript libraries with known security vulnerabilities
Allows users to paste into password fields
Page has the HTML doctype
zaycev.net Mobile Progressive Web App
29/100
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 (8)
PWA Optimized
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
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 13.2 s
Installable
Does not use HTTPS
1 insecure request found
Web app manifest does not meet the installability requirements
Does not register a service worker that controls page and `start_url`
Passed Audits (6)
Sets a theme color for the address bar.
Provides a valid `apple-touch-icon`
Contains some content when JavaScript is not available
Content is sized correctly for the viewport
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Redirects HTTP traffic to HTTPS
zaycev.net Mobile Accessibility
87/100
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 (3)
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
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 (16)
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
The page contains a heading, skip link, or landmark region
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[aria-hidden="true"]` is not present on the document `<body>`
Buttons have an accessible name
Links have a discernible name
Image elements have `[alt]` attributes
`<frame>` or `<iframe>` elements have a title
`[role]`s have all required `[aria-*]` attributes
`[role]` values are valid
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Document has a `<title>` element
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
`[role]`s are contained by their required parent element
`[aria-hidden="true"]` elements do not contain focusable descendents
Mobile Usability
100/100
These checks validate how easily a visitor can use zaycev.net 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
57/100
These checks analyze the performance of zaycev.net 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)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Optimize images
Enable compression
Leverage browser caching
Minify CSS
Passed Audits (5)
Avoid landing page redirects
Reduce server response time
Minify HTML
Minify JavaScript
Prioritize visible content
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