Ebc.net.tw 東森電視
勇於挑戰 不斷創新。多元頻道 優質節目。融媒體計畫 大步起飛。創新行銷 品牌延伸。搭橋兩岸 放眼世界。社會關懷 企業責任。華文媒體的領航者。
ebc.net.tw Mobile Performance
18/100
These metrics represent real-world Chrome users experience viewing ebc.net.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.
Metrics
Total Blocking Time0/100 3,420 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 80.3 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive0/100 28.1 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index1/100 14.5 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint85/100 2.6 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.
Serve images in next-gen formats
Potential savings of 17,162 KiB
85,200 ms
Efficiently encode images
Potential savings of 14,807 KiB
74,400 ms
Properly size images
Potential savings of 6,863 KiB
34,500 ms
Remove unused JavaScript
Potential savings of 1,135 KiB
5,250 ms
Enable text compression
Potential savings of 484 KiB
2,700 ms
Eliminate render-blocking resources
Potential savings of 690 ms
686 ms
Remove unused CSS
Potential savings of 72 KiB
480 ms
Reduce initial server response time
Root document took 1,050 ms
447 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Avoid enormous network payloads
Total size was 24,855 KiB
Ensure text remains visible during webfont load
Avoid `document.write()`
Reduce the impact of third-party code
Third-party code blocked the main thread for 3,180 ms
Serve static assets with an efficient cache policy
114 resources found
Does not use passive listeners to improve scrolling performance
Minimize main-thread work
15.3 s
Reduce JavaScript execution time
8.2 s
User Timing marks and measures
11 user timings
Avoid long main-thread tasks
20 long tasks found
Keep request counts low and transfer sizes small
260 requests • 24,855 KiB
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
20 chains found
Passed Audits (8)
Minify JavaScript
Preload key requests
Avoids an excessive DOM size
689 elements
Minify CSS
Preconnect to required origins
Defer offscreen images
Potential savings of 252 KiB
Use video formats for animated content
Avoid multiple page redirects
Potential savings of 630 ms
ebc.net.tw Mobile SEO
85/100
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 (2)
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 (11)
Document has a valid `hreflang`
Page has successful HTTP status code
robots.txt is valid
Page isn’t blocked from indexing
Links have descriptive text
Document uses legible font sizes
97.48% legible text
Document has a `<title>` element
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Tap targets are sized appropriately
100% appropriately sized tap targets
Document avoids plugins
Document has a meta description
ebc.net.tw Mobile Best Practices
62/100
These checks highlight opportunities to improve the overall code health of ebc.net.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)
Trust and Safety
Does not use HTTPS
1 insecure request found
Includes front-end JavaScript libraries with known security vulnerabilities
12 vulnerabilities detected
Links to cross-origin destinations are unsafe
General
Browser errors were logged to the console
User Experience
Serves images with low resolution
Passed Audits (9)
Page has the HTML doctype
Properly defines charset
Avoids requesting the geolocation permission on page load
Avoids deprecated APIs
Avoids requesting the notification permission on page load
Displays images with correct aspect ratio
Allows users to paste into password fields
Detected JavaScript libraries
Avoids Application Cache
ebc.net.tw Mobile Progressive Web App
21/100
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)
Fast and reliable
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive at 28.1 s
Installable
Web app manifest does not meet the installability requirements
Does not use HTTPS
1 insecure request found
Does not register a service worker that controls page and `start_url`
PWA Optimized
Does not set a theme color for the address bar.
Does not provide a valid `apple-touch-icon`
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
Passed Audits (4)
Content is sized correctly for the viewport
Contains some content when JavaScript is not available
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Redirects HTTP traffic to HTTPS
ebc.net.tw Mobile 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 (6)
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
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.
`[aria-hidden="true"]` elements contain focusable descendents
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 (12)
`[aria-*]` attributes match their roles
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`<video>` elements contain a `<track>` element with `[kind="description"]`
The page contains a heading, skip link, or landmark region
No element has a `[tabindex]` value greater than 0
`[aria-*]` attributes are valid and not misspelled
Document has a `<title>` element
`<video>` elements contain a `<track>` element with `[kind="captions"]`
`[aria-*]` attributes have valid values
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[aria-hidden="true"]` is not present on the document `<body>`
Mobile Usability
77/100
These checks validate how easily a visitor can use ebc.net.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 (2)
Use legible font sizes
Configure the viewport
Passed Audits (3)
Avoid plugins
Size content to viewport
Size tap targets appropriately
Mobile Speed
100/100
These checks analyze the performance of ebc.net.tw on mobile devices and return PageSpeed score and information on how to improve the load time. What makes a good Progressive Web App?
Passed Audits (10)
Avoid landing page redirects
Enable compression
Leverage browser caching
Reduce server response time
Minify CSS
Minify HTML
Minify JavaScript
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Optimize images
Prioritize visible content
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