Daum.net Daum
daum.net Mobile Performance
9/100
These metrics represent real-world Chrome users experience viewing daum.net 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
Total Blocking Time0/100 2,880 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Largest Contentful Paint0/100 11.1 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index0/100 17.2 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Time to Interactive2/100 20.5 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint22/100 5.5 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 (19)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Defer offscreen images
Potential savings of 1,383 KiB
7,230 ms
Serve images in next-gen formats
Potential savings of 974 KiB
5,370 ms
Avoid multiple page redirects
Potential savings of 2,850 ms
2,850 ms
Eliminate render-blocking resources
Potential savings of 1,360 ms
1,361 ms
Remove unused CSS
Potential savings of 185 KiB
1,200 ms
Remove unused JavaScript
Potential savings of 112 KiB
480 ms
Reduce initial server response time
Root document took 970 ms
374 ms
Efficiently encode images
Potential savings of 52 KiB
300 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Does not use passive listeners to improve scrolling performance
Avoid an excessive DOM size
4,744 elements
Serve static assets with an efficient cache policy
144 resources found
Minimize main-thread work
11.7 s
Reduce JavaScript execution time
6.1 s
Avoid enormous network payloads
Total size was 3,367 KiB
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
3 chains found
Avoid large layout shifts
5 elements found
Keep request counts low and transfer sizes small
180 requests • 3,367 KiB
Avoid long main-thread tasks
10 long tasks found
Passed Audits (9)
Preconnect to required origins
Enable text compression
All text remains visible during webfont loads
Use video formats for animated content
Minify JavaScript
Avoids `document.write()`
Properly size images
Minify CSS
Preload key requests
daum.net 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.
Document does not have a meta description
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Page is blocked from indexing
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
92% appropriately sized tap targets
Passed Audits (10)
Links have descriptive text
robots.txt is valid
Page has successful HTTP status code
Document has a `<title>` element
Links are crawlable
Document uses legible font sizes
94.55% legible text
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document avoids plugins
daum.net Mobile Best Practices
69/100
These checks highlight opportunities to improve the overall code health of daum.net 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)
General
Uses deprecated APIs
1 warning found
Trust and Safety
Does not use HTTPS
3 insecure requests found
Includes front-end JavaScript libraries with known security vulnerabilities
4 vulnerabilities detected
User Experience
Displays images with incorrect aspect ratio
Passed Audits (10)
No browser errors logged to the console
Avoids Application Cache
Properly defines charset
Detected JavaScript libraries
Allows users to paste into password fields
Serves images with appropriate resolution
Page has the HTML doctype
Avoids requesting the notification permission on page load
Links to cross-origin destinations are safe
Avoids requesting the geolocation permission on page load
daum.net Mobile Progressive Web App
25/100
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 (9)
Fast and reliable
Page load is not fast enough on mobile networks
Interactive at 20.5 s
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
Installable
Does not use HTTPS
3 insecure requests found
Web app manifest does not meet the installability requirements
Does not register a service worker that controls page and `start_url`
PWA Optimized
Manifest doesn't have a maskable icon
Does not set a theme color for the address bar.
Is not configured for a custom splash screen
Passed Audits (5)
Contains some content when JavaScript is not available
Provides a valid `apple-touch-icon`
Redirects HTTP traffic to HTTPS
Content is sized correctly for the viewport
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
daum.net Mobile Accessibility
72/100
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)
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]` values are not valid
`[aria-hidden="true"]` elements contain focusable descendents
`[aria-*]` attributes do not match their roles
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.
`<dl>`'s do not contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
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.
`<frame>` or `<iframe>` elements do not have a title
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 (18)
`[aria-*]` attributes have valid values
`[role]`s are contained by their required parent element
`<html>` element has a `[lang]` attribute
The page contains a heading, skip link, or landmark region
Form elements have associated labels
Document has a `<title>` element
`[aria-hidden="true"]` is not present on the document `<body>`
Definition list items are wrapped in `<dl>` elements
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Links have a discernible name
Heading elements appear in a sequentially-descending order
Buttons have an accessible name
Image elements have `[alt]` attributes
`[role]`s have all required `[aria-*]` attributes
`[id]` attributes on active, focusable elements are unique
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`<html>` element has a valid value for its `[lang]` attribute
`[aria-*]` attributes are valid and not misspelled
Mobile Usability
99/100
These checks validate how easily a visitor can use daum.net 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
38/100
These checks analyze the performance of daum.net 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)
Avoid landing page redirects
Leverage browser caching
Prioritize visible content
Optimize images
Passed Audits (6)
Enable compression
Reduce server response time
Minify CSS
Minify HTML
Minify JavaScript
Eliminate render-blocking JavaScript and CSS in above-the-fold content
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