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skycatcher.co.kr Desktop Performance
76/100
These metrics represent real-world Chrome users experience viewing skycatcher.co.kr web page. 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
Speed Index38/100 2.6 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Largest Contentful Paint50/100 2.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
First Contentful Paint84/100 1.1 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift98/100 0.055
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Total Blocking Time100/100 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Time to Interactive100/100 1.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Should Fix (12)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Eliminate render-blocking resources
Potential savings of 610 ms
609 ms
Remove unused JavaScript
Potential savings of 114 KiB
200 ms
Serve images in next-gen formats
Potential savings of 362 KiB
160 ms
Reduce initial server response time
Root document took 600 ms
1 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Avoid `document.write()`
Ensure text remains visible during webfont load
Serve static assets with an efficient cache policy
56 resources found
Avoid large layout shifts
4 elements found
Largest Contentful Paint element
1 element found
Avoid long main-thread tasks
1 long task found
Avoid chaining critical requests
15 chains found
Keep request counts low and transfer sizes small
58 requests • 1,219 KiB
Passed Audits (17)
Defer offscreen images
Use video formats for animated content
Remove unused CSS
Potential savings of 12 KiB
Preconnect to required origins
Efficiently encode images
Preload key requests
JavaScript execution time
0.1 s
Uses passive listeners to improve scrolling performance
Properly size images
Potential savings of 74 KiB
Minimizes main-thread work
0.8 s
Minify JavaScript
Minify CSS
Avoids enormous network payloads
Total size was 1,219 KiB
Avoids an excessive DOM size
485 elements
Avoid multiple page redirects
Potential savings of 190 ms
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Enable text compression
skycatcher.co.kr Desktop 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 (11)
Document has a valid `hreflang`
Document has a meta description
Image elements have `[alt]` attributes
Page has successful HTTP status code
Document has a `<title>` element
Links are crawlable
Links have descriptive text
robots.txt is valid
Document avoids plugins
Page isn’t blocked from indexing
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
skycatcher.co.kr Desktop Best Practices
77/100
These checks highlight opportunities to improve the overall code health of skycatcher.co.kr 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 (3)
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
2 vulnerabilities detected
Passed Audits (11)
No browser errors logged to the console
Displays images with correct aspect ratio
Properly defines charset
Allows users to paste into password fields
Avoids requesting the geolocation permission on page load
Avoids requesting the notification permission on page load
Avoids Application Cache
Page has the HTML doctype
Detected JavaScript libraries
Avoids deprecated APIs
Serves images with appropriate resolution
skycatcher.co.kr Desktop Progressive Web App
48/100
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 (8)
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
Fast and reliable
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
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 (5)
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
Provides a valid `apple-touch-icon`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Page load is fast enough on mobile networks
skycatcher.co.kr Desktop Accessibility
79/100
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 (4)
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.
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
Form elements do not have associated labels
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (19)
`[aria-*]` attributes match their roles
`[role]`s are contained by their required parent element
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[role]`s have all required `[aria-*]` attributes
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Image elements have `[alt]` attributes
No element has a `[tabindex]` value greater than 0
Links have a discernible name
ARIA IDs are unique
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
Document has a `<title>` element
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[aria-hidden="true"]` is not present on the document `<body>`
`[aria-*]` attributes are valid and not misspelled
Heading elements appear in a sequentially-descending order
The page contains a heading, skip link, or landmark region
`[role]` values are valid
`[aria-*]` attributes have valid values
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