Sayarsystem.ir نمایندگی رسمی ساعت های هوشمند kingwear در ایران - فروشگاه سیارسیستم
فروشگاه سیار سیستم تنها نمایندگی رسمی فروش ساعت های هوشمند Kingwear در ایران
sayarsystem.ir Mobile Performance
11/100
These metrics represent real-world Chrome users experience viewing sayarsystem.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
Cumulative Layout Shift
First Input Delay
First Contentful Paint
Largest Contentful Paint
Metrics
Largest Contentful Paint0/100 21.8 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive2/100 20.9 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index2/100 14.0 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Total Blocking Time12/100 1,200 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
First Contentful Paint18/100 5.8 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift100/100 0.005
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (23)
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 1,663 KiB
4,500 ms
Efficiently encode images
Potential savings of 1,197 KiB
3,750 ms
Eliminate render-blocking resources
Potential savings of 3,630 ms
3,627 ms
Enable text compression
Potential savings of 554 KiB
3,300 ms
Defer offscreen images
Potential savings of 1,522 KiB
2,850 ms
Remove unused CSS
Potential savings of 214 KiB
1,650 ms
Reduce initial server response time
Root document took 1,440 ms
836 ms
Remove unused JavaScript
Potential savings of 127 KiB
750 ms
Properly size images
Potential savings of 118 KiB
600 ms
Minify CSS
Potential savings of 49 KiB
300 ms
Minify JavaScript
Potential savings of 39 KiB
150 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
113 resources found
Ensure text remains visible during webfont load
Does not use passive listeners to improve scrolling performance
Minimize main-thread work
7.1 s
Avoid an excessive DOM size
2,084 elements
Reduce JavaScript execution time
2.9 s
Avoid enormous network payloads
Total size was 3,077 KiB
Avoid long main-thread tasks
11 long tasks found
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
13 chains found
Keep request counts low and transfer sizes small
121 requests • 3,077 KiB
Avoid large layout shifts
2 elements found
Passed Audits (6)
Use video formats for animated content
Avoids `document.write()`
Minimize third-party usage
Third-party code blocked the main thread for 140 ms
Preconnect to required origins
Avoid multiple page redirects
Potential savings of 630 ms
Preload key requests
sayarsystem.ir Mobile 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 (14)
robots.txt is valid
Document has a valid `hreflang`
Document has a valid `rel=canonical`
Tap targets are sized appropriately
100% appropriately sized tap targets
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Page has successful HTTP status code
Page isn’t blocked from indexing
Links have descriptive text
Document has a meta description
Image elements have `[alt]` attributes
Links are crawlable
Document uses legible font sizes
99.97% legible text
Document avoids plugins
Document has a `<title>` element
sayarsystem.ir Mobile Best Practices
69/100
These checks highlight opportunities to improve the overall code health of sayarsystem.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 (4)
Trust and Safety
Links to cross-origin destinations are unsafe
Does not use HTTPS
1 insecure request found
Includes front-end JavaScript libraries with known security vulnerabilities
9 vulnerabilities detected
User Experience
Displays images with incorrect aspect ratio
Passed Audits (10)
Page has the HTML doctype
Avoids deprecated APIs
No browser errors logged to the console
Properly defines charset
Avoids requesting the geolocation permission on page load
Detected JavaScript libraries
Serves images with appropriate resolution
Avoids Application Cache
Allows users to paste into password fields
Avoids requesting the notification permission on page load
sayarsystem.ir Mobile Progressive Web App
21/100
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)
PWA Optimized
Manifest doesn't have a maskable icon
Does not provide a valid `apple-touch-icon`
Does not set a theme color for the address bar.
Is not configured for a custom splash screen
Fast and reliable
Page load is not fast enough on mobile networks
Interactive at 20.9 s
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
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 (4)
Contains some content when JavaScript is not available
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Redirects HTTP traffic to HTTPS
Content is sized correctly for the viewport
sayarsystem.ir Mobile Accessibility
69/100
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 (6)
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.
Form elements do not have associated labels
Buttons do not have an accessible name
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.
`[role]`s do not have all required `[aria-*]` attributes
`[aria-*]` attributes do not have valid values
`[aria-*]` attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (21)
Links have a discernible name
`[aria-*]` attributes are valid and not misspelled
Heading elements appear in a sequentially-descending order
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[id]` attributes on active, focusable elements are unique
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`<html>` element has a `[lang]` attribute
`[role]`s are contained by their required parent element
`[aria-hidden="true"]` is not present on the document `<body>`
Image elements have `[alt]` attributes
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
The page contains a heading, skip link, or landmark region
ARIA IDs are unique
No element has a `[tabindex]` value greater than 0
`<html>` element has a valid value for its `[lang]` attribute
`[aria-hidden="true"]` elements do not contain focusable descendents
Document has a `<title>` element
`[role]` values are valid
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