Isna.ir خبرگزاری ایسنا | صفحه اصلی | ISNA News Agency
جدیدترین اخبار ورزشی، حوادث، سیاسی و اقتصادی ایران و سایر مناطق جهان را در خبرگزاری ایسنا بخوانید
isna.ir Mobile Performance
20/100
These metrics represent real-world Chrome users experience viewing isna.ir 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
Largest Contentful Paint
First Contentful Paint
First Input Delay
Cumulative Layout Shift
Metrics
Largest Contentful Paint0/100 11.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index5/100 11.7 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Total Blocking Time7/100 1,390 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Time to Interactive7/100 15.6 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint81/100 2.8 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift85/100 0.118
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (21)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Use video formats for animated content
Potential savings of 1,613 KiB
8,250 ms
Defer offscreen images
Potential savings of 1,502 KiB
5,880 ms
Serve images in next-gen formats
Potential savings of 508 KiB
2,970 ms
Preload key requests
Potential savings of 2,280 ms
2,280 ms
Reduce initial server response time
Root document took 2,040 ms
1,438 ms
Properly size images
Potential savings of 236 KiB
1,380 ms
Eliminate render-blocking resources
Potential savings of 1,190 ms
1,190 ms
Efficiently encode images
Potential savings of 90 KiB
540 ms
Remove unused CSS
Potential savings of 35 KiB
240 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Reduce the impact of third-party code
Third-party code blocked the main thread for 650 ms
Ensure text remains visible during webfont load
Does not use passive listeners to improve scrolling performance
Minimize main-thread work
7.9 s
Avoid an excessive DOM size
2,280 elements
Avoid enormous network payloads
Total size was 5,079 KiB
Reduce JavaScript execution time
2.0 s
Largest Contentful Paint element
1 element found
Keep request counts low and transfer sizes small
111 requests • 5,079 KiB
Avoid large layout shifts
5 elements found
Avoid long main-thread tasks
12 long tasks found
Avoid chaining critical requests
12 chains found
Passed Audits (8)
Minify CSS
Minify JavaScript
Potential savings of 4 KiB
Enable text compression
Avoid multiple page redirects
Potential savings of 16,740 ms
Avoids `document.write()`
Remove unused JavaScript
Preconnect to required origins
Uses efficient cache policy on static assets
2 resources found
isna.ir Mobile SEO
90/100
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)
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
73% appropriately sized tap targets
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Passed Audits (12)
Document has a valid `rel=canonical`
Document has a valid `hreflang`
Document has a meta description
Image elements have `[alt]` attributes
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a `<title>` element
robots.txt is valid
Links have descriptive text
Document avoids plugins
Page isn’t blocked from indexing
Document uses legible font sizes
93.67% legible text
Page has successful HTTP status code
isna.ir Mobile Best Practices
62/100
These checks highlight opportunities to improve the overall code health of isna.ir 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 (5)
Trust and Safety
Links to cross-origin destinations are unsafe
Includes front-end JavaScript libraries with known security vulnerabilities
9 vulnerabilities detected
Does not use HTTPS
21 insecure requests found
User Experience
Serves images with low resolution
Displays images with incorrect aspect ratio
Passed Audits (9)
Avoids requesting the notification permission on page load
Properly defines charset
Avoids requesting the geolocation permission on page load
Detected JavaScript libraries
No browser errors logged to the console
Avoids deprecated APIs
Avoids Application Cache
Page has the HTML doctype
Allows users to paste into password fields
isna.ir Mobile Progressive Web App
14/100
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 (11)
PWA Optimized
Manifest doesn't have a maskable icon
Does not redirect HTTP traffic to HTTPS
Does not set a theme color for the address bar.
Is not configured for a custom splash screen
Does not provide a valid `apple-touch-icon`
Fast and reliable
`start_url` does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive at 15.6 s
Current page does not respond with a 200 when offline
Installable
Does not use HTTPS
21 insecure requests found
Web app manifest does not meet the installability requirements
Does not register a service worker that controls page and `start_url`
Passed Audits (3)
Contains some content when JavaScript is not available
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Content is sized correctly for the viewport
isna.ir Mobile Accessibility
65/100
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 (8)
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.
Buttons do not have an accessible name
Links do not have a discernible name
Form elements do not have associated labels
Tables and lists
These are opportunities to to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
List items (`<li>`) are not contained within `<ul>` or `<ol>` parent elements.
Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
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.
The document uses `<meta http-equiv="refresh">`
Passed Audits (11)
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`<html>` element has a `[lang]` attribute
`[role]`s are contained by their required parent element
`<html>` element has a valid value for its `[lang]` attribute
`[role]`s have all required `[aria-*]` attributes
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]` values are valid
Image elements have `[alt]` attributes
The page contains a heading, skip link, or landmark region
Document has a `<title>` element
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
Mobile Usability
93/100
These checks validate how easily a visitor can use isna.ir 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).
Should Fix (1)
Size tap targets appropriately
Passed Audits (4)
Avoid plugins
Configure the viewport
Size content to viewport
Use legible font sizes
Mobile Speed
61/100
These checks analyze the performance of isna.ir 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 (4)
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
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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