4lomza.pl ::4lomza.pl:: Regionalny Portal
Regionalny portal. Najświeższe informacje z regionu, kulturalne, sportowe. Ogłoszenia, baza biznesu, forum
4lomza.pl Desktop Performance
62/100
These metrics represent real-world Chrome users experience viewing 4lomza.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
Cumulative Layout Shift
First Input Delay
First Contentful Paint
Largest Contentful Paint
Metrics
Speed Index19/100 3.4 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Largest Contentful Paint36/100 2.9 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Cumulative Layout Shift57/100 0.219
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Time to Interactive67/100 3.7 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Total Blocking Time93/100 130 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
First Contentful Paint94/100 0.8 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Should Fix (17)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Serve images in next-gen formats
Potential savings of 201 KiB
400 ms
Eliminate render-blocking resources
Potential savings of 370 ms
370 ms
Use video formats for animated content
Potential savings of 107 KiB
360 ms
Reduce initial server response time
Root document took 880 ms
282 ms
Remove unused JavaScript
Potential savings of 284 KiB
240 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Does not use passive listeners to improve scrolling performance
Ensure text remains visible during webfont load
Avoid `document.write()`
Serve static assets with an efficient cache policy
77 resources found
Minimize main-thread work
2.7 s
Reduce JavaScript execution time
1.5 s
Avoid long main-thread tasks
7 long tasks found
Avoid chaining critical requests
12 chains found
User Timing marks and measures
8 user timings
Avoid large layout shifts
5 elements found
Largest Contentful Paint element
1 element found
Keep request counts low and transfer sizes small
158 requests • 2,150 KiB
Passed Audits (13)
Minify CSS
Potential savings of 3 KiB
Minify JavaScript
Preconnect to required origins
Enable text compression
Avoids an excessive DOM size
568 elements
Efficiently encode images
Avoid multiple page redirects
Potential savings of 190 ms
Minimize third-party usage
Third-party code blocked the main thread for 190 ms
Avoids enormous network payloads
Total size was 2,150 KiB
Remove unused CSS
Properly size images
Preload key requests
Defer offscreen images
4lomza.pl 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)
Image elements have `[alt]` attributes
Document has a `<title>` element
Document has a valid `hreflang`
Links have descriptive text
Page isn’t blocked from indexing
Links are crawlable
Document has a meta description
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
robots.txt is valid
Document avoids plugins
Page has successful HTTP status code
4lomza.pl Desktop Best Practices
69/100
These checks highlight opportunities to improve the overall code health of 4lomza.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 (4)
Trust and Safety
Includes front-end JavaScript libraries with known security vulnerabilities
3 vulnerabilities detected
Links to cross-origin destinations are unsafe
Does not use HTTPS
1 insecure request found
General
Browser errors were logged to the console
Passed Audits (10)
Avoids requesting the notification permission on page load
Avoids deprecated APIs
Page has the HTML doctype
Avoids requesting the geolocation permission on page load
Detected JavaScript libraries
Serves images with appropriate resolution
Displays images with correct aspect ratio
Allows users to paste into password fields
Avoids Application Cache
Properly defines charset
4lomza.pl Desktop Progressive Web App
26/100
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
Current page does not respond with a 200 when offline
`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 16.0 s
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
1 insecure request found
Passed Audits (5)
Redirects HTTP traffic to HTTPS
Sets a theme color for the address bar.
Contains some content when JavaScript is not available
Provides a valid `apple-touch-icon`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
4lomza.pl Desktop Accessibility
90/100
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 (4)
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.
`<frame>` or `<iframe>` elements do not have a title
Links do not have a discernible name
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.
Passed Audits (19)
Image elements have `[alt]` attributes
`[aria-hidden="true"]` is not present on the document `<body>`
Form elements have associated labels
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Document has a `<title>` element
Buttons have an accessible name
`[id]` attributes on active, focusable elements are unique
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[aria-hidden="true"]` elements do not contain focusable descendents
`<html>` element has a `[lang]` attribute
The page contains a heading, skip link, or landmark region
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
`<html>` element has a valid value for its `[lang]` attribute
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
Definition list items are wrapped in `<dl>` elements
ARIA IDs are unique
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Desktop Speed
79/100
These checks analyze the performance of 4lomza.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)
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Minify CSS
Minify JavaScript
Passed Audits (5)
Avoid landing page redirects
Enable compression
Reduce server response time
Minify HTML
Prioritize visible content
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