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geeksforgeeks.org Mobile Performance
45/100
These metrics represent real-world Chrome users experience viewing geeksforgeeks.org 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
First Input Delay
First Contentful Paint
Cumulative Layout Shift
Largest Contentful Paint
Metrics
Total Blocking Time15/100 1,080 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Time to Interactive16/100 12.2 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index48/100 5.9 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Largest Contentful Paint60/100 3.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
First Contentful Paint75/100 3.0 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (18)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused JavaScript
Potential savings of 292 KiB
1,950 ms
Eliminate render-blocking resources
Potential savings of 500 ms
503 ms
Defer offscreen images
Potential savings of 78 KiB
270 ms
Serve images in next-gen formats
Potential savings of 32 KiB
150 ms
Remove unused CSS
Potential savings of 18 KiB
90 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 350 ms
Does not use passive listeners to improve scrolling performance
Ensure text remains visible during webfont load
Avoid `document.write()`
Avoid an excessive DOM size
2,107 elements
Serve static assets with an efficient cache policy
11 resources found
Minimize main-thread work
4.9 s
Reduce JavaScript execution time
3.1 s
User Timing marks and measures
6 user timings
Avoid long main-thread tasks
18 long tasks found
Keep request counts low and transfer sizes small
90 requests • 1,044 KiB
Avoid chaining critical requests
8 chains found
Largest Contentful Paint element
1 element found
Passed Audits (11)
Avoids enormous network payloads
Total size was 1,044 KiB
Use video formats for animated content
Initial server response time was short
Root document took 500 ms
Minify CSS
Potential savings of 3 KiB
Properly size images
Avoid multiple page redirects
Potential savings of 630 ms
Minify JavaScript
Enable text compression
Efficiently encode images
Preconnect to required origins
Preload key requests
geeksforgeeks.org Mobile SEO
83/100
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 (3)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Image elements do not have `[alt]` attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
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
83% appropriately sized tap targets
Passed Audits (10)
robots.txt is valid
Document has a `<title>` element
Document avoids plugins
Page has successful HTTP status code
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a valid `hreflang`
Document has a meta description
Document uses legible font sizes
96.19% legible text
Links have descriptive text
Page isn’t blocked from indexing
geeksforgeeks.org Mobile Best Practices
62/100
These checks highlight opportunities to improve the overall code health of geeksforgeeks.org 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)
General
Browser errors were logged to the console
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
3 vulnerabilities detected
User Experience
Displays images with incorrect aspect ratio
Passed Audits (9)
Avoids deprecated APIs
Page has the HTML doctype
Detected JavaScript libraries
Avoids requesting the geolocation permission on page load
Properly defines charset
Allows users to paste into password fields
Avoids requesting the notification permission on page load
Avoids Application Cache
Serves images with appropriate resolution
geeksforgeeks.org 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
Is not configured for a custom splash screen
Does not set a theme color for the address bar.
Content is not sized correctly for the viewport
Manifest doesn't have a maskable icon
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`
Fast and reliable
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive at 12.2 s
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`
Provides a valid `apple-touch-icon`
geeksforgeeks.org Mobile Accessibility
77/100
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 (5)
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.
Image elements do not have `[alt]` attributes
Links do not have a discernible 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>`).
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.
`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
Passed Audits (17)
Document has a `<title>` element
Heading elements appear in a sequentially-descending order
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
Form elements have associated labels
`[id]` attributes on active, focusable elements are unique
Buttons have an accessible name
`<html>` element has a `[lang]` attribute
`[role]` values are valid
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[role]`s have all required `[aria-*]` attributes
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
`[aria-hidden="true"]` is not present on the document `<body>`
`<html>` element has a valid value for its `[lang]` attribute
`[aria-hidden="true"]` elements do not contain focusable descendents
The page contains a heading, skip link, or landmark region
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`[role]`s are contained by their required parent element
Mobile Usability
96/100
These checks validate how easily a visitor can use geeksforgeeks.org 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 (2)
Size content to viewport
Size tap targets appropriately
Passed Audits (3)
Avoid plugins
Configure the viewport
Use legible font sizes
Mobile Speed
62/100
These checks analyze the performance of geeksforgeeks.org 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 (5)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Optimize images
Leverage browser caching
Minify CSS
Minify HTML
Passed Audits (5)
Avoid landing page redirects
Enable compression
Reduce server response time
Minify JavaScript
Prioritize visible content
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