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 Mobile Performance
5/100
These metrics represent real-world Chrome users experience viewing pchome.com.tw 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
Cumulative Layout Shift
Largest Contentful Paint
First Input Delay
First Contentful Paint
Metrics
Total Blocking Time0/100 4,590 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 26.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive0/100 48.1 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index0/100 22.1 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint0/100 18.1 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 (21)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Defer offscreen images
Potential savings of 3,244 KiB
18,660 ms
Remove unused CSS
Potential savings of 288 KiB
4,620 ms
Enable text compression
Potential savings of 500 KiB
2,730 ms
Serve images in next-gen formats
Potential savings of 284 KiB
1,260 ms
Remove unused JavaScript
Potential savings of 50 KiB
960 ms
Eliminate render-blocking resources
Potential savings of 600 ms
600 ms
Minify CSS
Potential savings of 22 KiB
510 ms
Efficiently encode images
Potential savings of 115 KiB
450 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Avoid `document.write()`
Minimize main-thread work
24.8 s
Does not use passive listeners to improve scrolling performance
Ensure text remains visible during webfont load
Reduce the impact of third-party code
Third-party code blocked the main thread for 890 ms
Avoid enormous network payloads
Total size was 9,677 KiB
Serve static assets with an efficient cache policy
103 resources found
Reduce JavaScript execution time
11.0 s
Avoid an excessive DOM size
1,387 elements
Keep request counts low and transfer sizes small
377 requests • 9,677 KiB
Avoid chaining critical requests
14 chains found
Largest Contentful Paint element
1 element found
Avoid long main-thread tasks
20 long tasks found
Passed Audits (7)
Use video formats for animated content
Avoid multiple page redirects
Potential savings of 330 ms
Preload key requests
Minify JavaScript
Potential savings of 13 KiB
Preconnect to required origins
Initial server response time was short
Root document took 260 ms
Properly size images
pchome.com.tw Mobile 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 (4)
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
53% appropriately sized tap targets
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
robots.txt is not valid
2,456 errors found
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
Passed Audits (9)
Document uses legible font sizes
93.97% legible text
Page has successful HTTP status code
Document has a valid `hreflang`
Document has a `<title>` element
Document avoids plugins
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Links have descriptive text
Document has a meta description
Page isn’t blocked from indexing
pchome.com.tw Mobile Best Practices
62/100
These checks highlight opportunities to improve the overall code health of pchome.com.tw 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)
User Experience
Serves images with low resolution
Trust and Safety
Includes front-end JavaScript libraries with known security vulnerabilities
4 vulnerabilities detected
Does not use HTTPS
3 insecure requests found
Links to cross-origin destinations are unsafe
General
Browser errors were logged to the console
Passed Audits (9)
Avoids requesting the geolocation permission on page load
Avoids Application Cache
Detected JavaScript libraries
Properly defines charset
Avoids deprecated APIs
Allows users to paste into password fields
Displays images with correct aspect ratio
Avoids requesting the notification permission on page load
Page has the HTML doctype
pchome.com.tw 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)
PWA Optimized
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
Does not set a theme color for the address bar.
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 at 48.1 s
Installable
Web app manifest does not meet the installability requirements
Does not use HTTPS
3 insecure requests found
Does not register a service worker that controls page and `start_url`
Passed Audits (5)
Content is sized correctly for the viewport
Contains some content when JavaScript is not available
Provides a valid `apple-touch-icon`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Redirects HTTP traffic to HTTPS
pchome.com.tw Mobile 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 (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
`<frame>` or `<iframe>` elements do not have a title
Form elements do not have associated labels
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.
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
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)
`[id]` attributes on active, focusable elements are unique
`[aria-hidden="true"]` is not present on the document `<body>`
ARIA IDs are unique
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
The page contains a heading, skip link, or landmark region
Buttons have an accessible name
No element has a `[tabindex]` value greater than 0
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Document has a `<title>` element
Heading elements appear in a sequentially-descending order
`[aria-*]` attributes match their roles
`[role]` values are valid
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`[aria-*]` attributes have valid values
`[role]`s have all required `[aria-*]` attributes
`[role]`s are contained by their required parent element
`[aria-*]` attributes are valid and not misspelled
`[aria-hidden="true"]` elements do not contain focusable descendents
Mobile Usability
99/100
These checks validate how easily a visitor can use pchome.com.tw 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
26/100
These checks analyze the performance of pchome.com.tw 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 (7)
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Enable compression
Minify HTML
Minify JavaScript
Minify CSS
Passed Audits (3)
Avoid landing page redirects
Reduce server response time
Prioritize visible content
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