Cda.pl CDA - Społeczność cda.pl
CDA - multimedialna społeczność od 2003 roku. W serwisie znajdziesz: gry, materiały video, śmieszne grafiki oraz dział download.
cda.pl Desktop Performance
70/100
These metrics represent real-world Chrome users experience viewing cda.pl 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
Largest Contentful Paint
First Contentful Paint
First Input Delay
Cumulative Layout Shift
Metrics
Speed Index28/100 3.0 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Time to Interactive52/100 4.4 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Cumulative Layout Shift61/100 0.205
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
First Contentful Paint81/100 1.1 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Largest Contentful Paint82/100 1.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Total Blocking Time90/100 150 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (19)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused JavaScript
Potential savings of 625 KiB
1,270 ms
Eliminate render-blocking resources
Potential savings of 420 ms
415 ms
Avoid multiple page redirects
Potential savings of 380 ms
380 ms
Serve images in next-gen formats
Potential savings of 263 KiB
200 ms
Efficiently encode images
Potential savings of 127 KiB
160 ms
Defer offscreen images
Potential savings of 77 KiB
120 ms
Remove unused CSS
Potential savings of 38 KiB
80 ms
Properly size images
Potential savings of 22 KiB
80 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
21 resources found
Minimize main-thread work
3.5 s
Avoid an excessive DOM size
1,225 elements
Reduce JavaScript execution time
2.2 s
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
10 chains found
Avoid long main-thread tasks
4 long tasks found
Avoid large layout shifts
5 elements found
Keep request counts low and transfer sizes small
198 requests • 2,392 KiB
Passed Audits (10)
Preconnect to required origins
Preload key requests
Avoids enormous network payloads
Total size was 2,392 KiB
Minimize third-party usage
Third-party code blocked the main thread for 60 ms
Use video formats for animated content
Enable text compression
Minify JavaScript
Potential savings of 35 KiB
Initial server response time was short
Root document took 560 ms
Minify CSS
Uses passive listeners to improve scrolling performance
cda.pl Desktop SEO
82/100
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 (2)
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
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.
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Passed Audits (9)
Document has a valid `hreflang`
Document avoids plugins
Page has successful HTTP status code
Page isn’t blocked from indexing
Image elements have `[alt]` attributes
robots.txt is valid
Links have descriptive text
Document has a `<title>` element
Document has a meta description
cda.pl Desktop Best Practices
62/100
These checks highlight opportunities to improve the overall code health of cda.pl 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)
General
Browser errors were logged to the console
Trust and Safety
Includes front-end JavaScript libraries with known security vulnerabilities
7 vulnerabilities detected
Does not use HTTPS
2 insecure requests found
User Experience
Displays images with incorrect aspect ratio
Browser Compatibility
Page lacks the HTML doctype, thus triggering quirks-mode
Passed Audits (9)
Avoids Application Cache
Allows users to paste into password fields
Avoids deprecated APIs
Serves images with appropriate resolution
Links to cross-origin destinations are safe
Properly defines charset
Avoids requesting the notification permission on page load
Detected JavaScript libraries
Avoids requesting the geolocation permission on page load
cda.pl Desktop Progressive Web App
15/100
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 (10)
Fast and reliable
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 20.3 s
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Installable
Web app manifest does not meet the installability requirements
Does not use HTTPS
2 insecure requests found
Does not register a service worker that controls page and `start_url`
PWA Optimized
Manifest doesn't have a maskable icon
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Is not configured for a custom splash screen
Does not set a theme color for the address bar.
Passed Audits (3)
Provides a valid `apple-touch-icon`
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
cda.pl Desktop Accessibility
78/100
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)
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
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 (12)
`<html>` element has a `[lang]` attribute
`[aria-hidden="true"]` is not present on the document `<body>`
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Heading elements appear in a sequentially-descending order
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>`).
`<html>` element has a valid value for its `[lang]` attribute
Image elements have `[alt]` attributes
`<frame>` or `<iframe>` elements have a title
Document has a `<title>` element
Buttons have an accessible name
Desktop Speed
72/100
These checks analyze the performance of cda.pl 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 (5)
Leverage browser caching
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Minify JavaScript
Enable compression
Optimize images
Passed Audits (5)
Avoid landing page redirects
Reduce server response time
Minify CSS
Minify HTML
Prioritize visible content
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