Pchome.com.tw PChome Online 網路家庭
PChome網路家庭(8044-tw)是台灣最大的電子商務集團，2015年公司合併營收金額達新台幣228.8億元，2005年1月PChome在台灣掛牌上櫃，旗下擁有台灣最大B2C網站PChome24h購物和C2C第一名網站露天拍賣等網路公司。
pchome.com.tw Desktop Performance
32/100
These metrics represent real-world Chrome users experience viewing pchome.com.tw 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
First Contentful Paint
Largest Contentful Paint
Cumulative Layout Shift
First Input Delay
Metrics
Largest Contentful Paint0/100 12.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index1/100 6.4 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Time to Interactive5/100 9.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint45/100 1.7 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Total Blocking Time76/100 220 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Cumulative Layout Shift97/100 0.068
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (25)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Defer offscreen images
Potential savings of 3,991 KiB
3,680 ms
Serve images in next-gen formats
Potential savings of 3,625 KiB
3,390 ms
Properly size images
Potential savings of 2,970 KiB
2,870 ms
Efficiently encode images
Potential savings of 1,385 KiB
1,320 ms
Remove unused CSS
Potential savings of 332 KiB
800 ms
Reduce initial server response time
Root document took 1,370 ms
774 ms
Enable text compression
Potential savings of 534 KiB
560 ms
Eliminate render-blocking resources
Potential savings of 360 ms
359 ms
Remove unused JavaScript
Potential savings of 103 KiB
350 ms
Preload key requests
Potential savings of 100 ms
100 ms
Minify CSS
Potential savings of 22 KiB
90 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
Ensure text remains visible during webfont load
Serve static assets with an efficient cache policy
118 resources found
Avoid `document.write()`
Avoid enormous network payloads
Total size was 15,401 KiB
Reduce the impact of third-party code
Third-party code blocked the main thread for 330 ms
Avoid an excessive DOM size
2,613 elements
Minimize main-thread work
4.7 s
Reduce JavaScript execution time
1.5 s
Avoid large layout shifts
5 elements found
Largest Contentful Paint element
1 element found
Avoid long main-thread tasks
17 long tasks found
Avoid chaining critical requests
102 chains found
Keep request counts low and transfer sizes small
365 requests • 15,401 KiB
Passed Audits (4)
Preconnect to required origins
Minify JavaScript
Potential savings of 20 KiB
Avoid multiple page redirects
Potential savings of 190 ms
Use video formats for animated content
pchome.com.tw Desktop SEO
64/100
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 (4)
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.
robots.txt is not valid
2,456 errors found
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.
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Passed Audits (7)
Links have descriptive text
Document has a `<title>` element
Document has a meta description
Document has a valid `hreflang`
Page isn’t blocked from indexing
Page has successful HTTP status code
Document avoids plugins
pchome.com.tw Desktop Best Practices
54/100
These checks highlight opportunities to improve the overall code health of pchome.com.tw 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
Browser Compatibility
Charset declaration is missing or occurs too late in the HTML
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
4 vulnerabilities detected
User Experience
Serves images with low resolution
Passed Audits (8)
Avoids deprecated APIs
Displays images with correct aspect ratio
Allows users to paste into password fields
Avoids Application Cache
Avoids requesting the notification permission on page load
Page has the HTML doctype
Detected JavaScript libraries
Avoids requesting the geolocation permission on page load
pchome.com.tw 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
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Does not set a theme color for the address bar.
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`
Fast and reliable
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 53.1 s
Passed Audits (3)
Provides a valid `apple-touch-icon`
Contains some content when JavaScript is not available
Redirects HTTP traffic to HTTPS
pchome.com.tw Desktop 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 (7)
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
`<frame>` or `<iframe>` elements do not have a title
Form elements do not have associated labels
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
`<html>` element does not have a `[lang]` attribute
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (16)
The page contains a heading, skip link, or landmark region
`[aria-*]` attributes are valid and not misspelled
`[aria-hidden="true"]` is not present on the document `<body>`
ARIA IDs are unique
No element has a `[tabindex]` value greater than 0
`[role]`s are contained by their required parent element
`[role]`s have all required `[aria-*]` attributes
`[id]` attributes on active, focusable elements are unique
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`[role]` values are valid
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Document has a `<title>` element
`[aria-*]` attributes match their roles
`[aria-*]` attributes have valid values
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[aria-hidden="true"]` elements do not contain focusable descendents
Desktop Speed
40/100
These checks analyze the performance of pchome.com.tw 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 (8)
Optimize images
Leverage browser caching
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Enable compression
Prioritize visible content
Minify HTML
Minify JavaScript
Minify CSS
Passed Audits (2)
Avoid landing page redirects
Reduce server response time
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