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dr.qa Mobile Performance
8/100
These metrics represent real-world Chrome users experience viewing dr.qa 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.
Metrics
Largest Contentful Paint0/100 15.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index0/100 17.8 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Cumulative Layout Shift3/100 1
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Time to Interactive6/100 16.0 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint13/100 6.4 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Total Blocking Time18/100 1,010 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (17)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Eliminate render-blocking resources
Potential savings of 5,420 ms
5,419 ms
Serve images in next-gen formats
Potential savings of 570 KiB
1,950 ms
Reduce initial server response time
Root document took 2,240 ms
1,640 ms
Defer offscreen images
Potential savings of 417 KiB
450 ms
Remove unused CSS
Potential savings of 96 KiB
300 ms
Remove unused JavaScript
Potential savings of 31 KiB
150 ms
Minify CSS
Potential savings of 15 KiB
150 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Ensure text remains visible during webfont load
Does not use passive listeners to improve scrolling performance
Minimize main-thread work
7.2 s
Reduce JavaScript execution time
3.3 s
Avoid an excessive DOM size
952 elements
Keep request counts low and transfer sizes small
128 requests • 1,902 KiB
Largest Contentful Paint element
1 element found
Avoid long main-thread tasks
13 long tasks found
Avoid chaining critical requests
50 chains found
Avoid large layout shifts
1 element found
Passed Audits (12)
Avoid multiple page redirects
Potential savings of 630 ms
Uses efficient cache policy on static assets
2 resources found
Avoids enormous network payloads
Total size was 1,902 KiB
Enable text compression
Avoids `document.write()`
Preload key requests
Preconnect to required origins
Minify JavaScript
Potential savings of 14 KiB
Efficiently encode images
Potential savings of 23 KiB
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Properly size images
Use video formats for animated content
dr.qa Mobile SEO
86/100
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)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Links do not have descriptive text
1 link found
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Passed Audits (12)
Document has a `<title>` element
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Page isn’t blocked from indexing
Document has a valid `hreflang`
robots.txt is valid
Document uses legible font sizes
100% legible text
Image elements have `[alt]` attributes
Document has a meta description
Document has a valid `rel=canonical`
Document avoids plugins
Page has successful HTTP status code
Tap targets are sized appropriately
100% appropriately sized tap targets
dr.qa Mobile Best Practices
54/100
These checks highlight opportunities to improve the overall code health of dr.qa 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 (6)
General
Browser errors were logged to the console
Trust and Safety
Does not use HTTPS
1 insecure request found
Links to cross-origin destinations are unsafe
Includes front-end JavaScript libraries with known security vulnerabilities
4 vulnerabilities detected
User Experience
Displays images with incorrect aspect ratio
Serves images with low resolution
Passed Audits (8)
Properly defines charset
Avoids deprecated APIs
Avoids requesting the geolocation permission on page load
Avoids requesting the notification permission on page load
Detected JavaScript libraries
Avoids Application Cache
Page has the HTML doctype
Allows users to paste into password fields
dr.qa 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)
Installable
Does not register a service worker that controls page and `start_url`
Does not use HTTPS
1 insecure request found
Web app manifest does not meet the installability requirements
Fast and reliable
Page load is not fast enough on mobile networks
Interactive at 16.0 s
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
PWA Optimized
Does not provide a valid `apple-touch-icon`
Does not set a theme color for the address bar.
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
Passed Audits (4)
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Content is sized correctly for the viewport
dr.qa Mobile Accessibility
93/100
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 (2)
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
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (13)
`<html>` element has a valid value for its `[lang]` attribute
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`[aria-*]` attributes are valid and not misspelled
`[aria-*]` attributes match their roles
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Document has a `<title>` element
`[aria-*]` attributes have valid values
`[aria-hidden="true"]` is not present on the document `<body>`
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
Heading elements appear in a sequentially-descending order
Image elements have `[alt]` attributes
The page contains a heading, skip link, or landmark region
`<html>` element has a `[lang]` attribute
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