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irna.ir Desktop Performance
39/100
These metrics represent real-world Chrome users experience viewing irna.ir 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 Input Delay
First Contentful Paint
Cumulative Layout Shift
Largest Contentful Paint
Metrics
Cumulative Layout Shift2/100 1.018
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Largest Contentful Paint11/100 4.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index15/100 3.6 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Total Blocking Time19/100 620 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Time to Interactive93/100 2.2 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint99/100 0.6 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.
Properly size images
Potential savings of 4,982 KiB
4,480 ms
Reduce initial server response time
Root document took 1,900 ms
1,299 ms
Serve images in next-gen formats
Potential savings of 1,146 KiB
1,100 ms
Remove unused CSS
Potential savings of 41 KiB
360 ms
Remove unused JavaScript
Potential savings of 68 KiB
320 ms
Efficiently encode images
Potential savings of 169 KiB
180 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Serve static assets with an efficient cache policy
100 resources found
Ensure text remains visible during webfont load
Does not use passive listeners to improve scrolling performance
Avoid enormous network payloads
Total size was 6,635 KiB
Avoid an excessive DOM size
2,109 elements
Minimize main-thread work
2.5 s
Avoid chaining critical requests
9 chains found
Avoid large layout shifts
5 elements found
Keep request counts low and transfer sizes small
125 requests • 6,635 KiB
Avoid long main-thread tasks
4 long tasks found
Largest Contentful Paint element
1 element found
Passed Audits (12)
Minify JavaScript
Enable text compression
Eliminate render-blocking resources
Potential savings of 0 ms
Defer offscreen images
Potential savings of 329 KiB
Preload key requests
Avoids `document.write()`
Avoid multiple page redirects
Potential savings of 190 ms
Minify CSS
JavaScript execution time
0.4 s
Use video formats for animated content
Preconnect to required origins
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
irna.ir 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)
Image elements have `[alt]` attributes
Page isn’t blocked from indexing
Document has a `<title>` element
Document avoids plugins
Document has a meta description
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Page has successful HTTP status code
robots.txt is valid
Links have descriptive text
Document has a valid `rel=canonical`
Document has a valid `hreflang`
irna.ir Desktop Best Practices
69/100
These checks highlight opportunities to improve the overall code health of irna.ir 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)
User Experience
Displays images with incorrect aspect ratio
Trust and Safety
Includes front-end JavaScript libraries with known security vulnerabilities
5 vulnerabilities detected
Does not use HTTPS
1 insecure request found
Links to cross-origin destinations are unsafe
Passed Audits (10)
Serves images with appropriate resolution
Avoids deprecated APIs
Properly defines charset
Avoids Application Cache
No browser errors logged to the console
Page has the HTML doctype
Detected JavaScript libraries
Avoids requesting the geolocation permission on page load
Allows users to paste into password fields
Avoids requesting the notification permission on page load
irna.ir Desktop Progressive Web App
19/100
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 24.5 s
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`
PWA Optimized
Does not set a theme color for the address bar.
Does not provide a valid `apple-touch-icon`
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
Passed Audits (3)
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
irna.ir Desktop Accessibility
61/100
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 (9)
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
Buttons do not have an accessible name
Tables and lists
These are opportunities to to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are not contained within `<ul>` or `<ol>` parent elements.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
`[aria-hidden="true"]` elements contain focusable descendents
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Best practices
These items highlight common accessibility best practices.
The document uses `<meta http-equiv="refresh">`
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (11)
Image elements have `[alt]` attributes
Document has a `<title>` element
`<html>` element has a `[lang]` attribute
The page contains a heading, skip link, or landmark region
`[aria-*]` attributes have valid values
`[aria-hidden="true"]` is not present on the document `<body>`
No element has a `[tabindex]` value greater than 0
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`<html>` element has a valid value for its `[lang]` attribute
`[aria-*]` attributes match their roles
`[aria-*]` attributes are valid and not misspelled
Desktop Speed
40/100
These checks analyze the performance of irna.ir 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 (4)
Leverage browser caching
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
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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