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goo.ne.jp Desktop Performance
77/100
These metrics represent real-world Chrome users experience viewing goo.ne.jp 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.
User Loading Experience
Largest Contentful Paint
First Contentful Paint
First Input Delay
Cumulative Layout Shift
Metrics
Speed Index39/100 2.6 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Largest Contentful Paint70/100 1.8 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Total Blocking Time86/100 170 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Time to Interactive89/100 2.5 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint95/100 0.8 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift100/100 0.031
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.
Serve images in next-gen formats
Potential savings of 613 KiB
610 ms
Properly size images
Potential savings of 204 KiB
280 ms
Reduce initial server response time
Root document took 860 ms
261 ms
Eliminate render-blocking resources
Potential savings of 250 ms
252 ms
Efficiently encode images
Potential savings of 204 KiB
200 ms
Remove unused JavaScript
Potential savings of 128 KiB
120 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
Avoid `document.write()`
Avoid an excessive DOM size
2,190 elements
Serve static assets with an efficient cache policy
61 resources found
Minimize main-thread work
3.9 s
Reduce JavaScript execution time
1.4 s
Avoids enormous network payloads
Total size was 2,625 KiB
User Timing marks and measures
6 user timings
Keep request counts low and transfer sizes small
422 requests • 2,625 KiB
Avoid chaining critical requests
21 chains found
Avoid long main-thread tasks
6 long tasks found
Avoid large layout shifts
4 elements found
Largest Contentful Paint element
1 element found
Passed Audits (11)
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Defer offscreen images
Potential savings of 187 KiB
Minify JavaScript
Potential savings of 19 KiB
Preload key requests
Avoid multiple page redirects
Potential savings of 190 ms
Enable text compression
Potential savings of 34 KiB
Use video formats for animated content
Remove unused CSS
Potential savings of 14 KiB
Preconnect to required origins
Minify CSS
Uses passive listeners to improve scrolling performance
goo.ne.jp Desktop SEO
73/100
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)
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.
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
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
Passed Audits (8)
Document has a meta description
Document has a `<title>` element
Document avoids plugins
robots.txt is valid
Document has a valid `hreflang`
Page isn’t blocked from indexing
Page has successful HTTP status code
Links have descriptive text
goo.ne.jp Desktop Best Practices
69/100
These checks highlight opportunities to improve the overall code health of goo.ne.jp 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
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
Passed Audits (10)
Detected JavaScript libraries
Displays images with correct aspect ratio
Avoids Application Cache
Avoids requesting the geolocation permission on page load
Allows users to paste into password fields
Properly defines charset
Avoids requesting the notification permission on page load
Serves images with appropriate resolution
Page has the HTML doctype
Avoids deprecated APIs
goo.ne.jp Desktop Progressive Web App
15/100
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
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Is not configured for a custom splash screen
Does not set a theme color for the address bar.
Manifest doesn't have a maskable icon
Installable
Does not use HTTPS
1 insecure request found
Does not register a service worker that controls page and `start_url`
Web app manifest does not meet the installability requirements
Fast and reliable
Current page does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 23.8 s
`start_url` does not respond with a 200 when offline
Passed Audits (3)
Provides a valid `apple-touch-icon`
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
goo.ne.jp Desktop Accessibility
75/100
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.
`<frame>` or `<iframe>` elements do not have a title
Form elements do not have associated labels
Image elements do not have `[alt]` attributes
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 (18)
Definition list items are wrapped in `<dl>` elements
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Heading elements appear in a sequentially-descending order
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[role]`s have all required `[aria-*]` attributes
Document has a `<title>` element
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
`[role]` values are valid
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]`s are contained by their required parent element
`[aria-hidden="true"]` elements do not contain focusable descendents
`<html>` element has a valid value for its `[lang]` attribute
`[id]` attributes on active, focusable elements are unique
`<html>` element has a `[lang]` attribute
The page contains a heading, skip link, or landmark region
Desktop Speed
79/100
These checks analyze the performance of goo.ne.jp on desktop devices and return PageSpeed score and information on how to improve the load time. What makes a good Progressive Web App?
Should Fix (6)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Enable compression
Minify JavaScript
Reduce server response time
Optimize images
Passed Audits (4)
Avoid landing page redirects
Minify CSS
Minify HTML
Prioritize visible content
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