Discuss.com.hk 香港討論區 Discuss.com.hk - 香討．香港 No.1
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discuss.com.hk Mobile Performance
8/100
These metrics represent real-world Chrome users experience viewing discuss.com.hk 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
First Input Delay
First Contentful Paint
Largest Contentful Paint
Metrics
Time to Interactive0/100 29.4 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Total Blocking Time0/100 5,320 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Speed Index1/100 15.8 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Largest Contentful Paint1/100 9.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
First Contentful Paint28/100 5.1 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift76/100 0.152
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (18)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused JavaScript
Potential savings of 745 KiB
5,140 ms
Avoid multiple page redirects
Potential savings of 1,740 ms
1,740 ms
Eliminate render-blocking resources
Potential savings of 1,220 ms
1,220 ms
Remove unused CSS
Potential savings of 45 KiB
210 ms
Serve images in next-gen formats
Potential savings of 28 KiB
150 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Minimize main-thread work
22.6 s
Reduce the impact of third-party code
Third-party code blocked the main thread for 5,070 ms
Does not use passive listeners to improve scrolling performance
Avoid `document.write()`
Reduce JavaScript execution time
14.2 s
Serve static assets with an efficient cache policy
54 resources found
Avoid enormous network payloads
Total size was 3,117 KiB
Avoid large layout shifts
4 elements found
Avoid chaining critical requests
15 chains found
User Timing marks and measures
22 user timings
Largest Contentful Paint element
1 element found
Avoid long main-thread tasks
20 long tasks found
Keep request counts low and transfer sizes small
319 requests • 3,117 KiB
Passed Audits (12)
Use video formats for animated content
Properly size images
All text remains visible during webfont loads
Initial server response time was short
Root document took 360 ms
Minify CSS
Defer offscreen images
Potential savings of 82 KiB
Efficiently encode images
Preconnect to required origins
Minify JavaScript
Avoids an excessive DOM size
647 elements
Enable text compression
Preload key requests
discuss.com.hk Mobile SEO
92/100
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)
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
94% appropriately sized tap targets
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 (12)
Document has a meta description
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a valid `rel=canonical`
Document has a valid `hreflang`
Page isn’t blocked from indexing
Links have descriptive text
Document has a `<title>` element
Document avoids plugins
Document uses legible font sizes
98.45% legible text
Links are crawlable
robots.txt is valid
Page has successful HTTP status code
discuss.com.hk Mobile Best Practices
62/100
These checks highlight opportunities to improve the overall code health of discuss.com.hk 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)
General
Browser errors were logged to the console
Trust and Safety
Links to cross-origin destinations are unsafe
Does not use HTTPS
2 insecure requests found
Includes front-end JavaScript libraries with known security vulnerabilities
2 vulnerabilities detected
Browser Compatibility
Page lacks the HTML doctype, thus triggering quirks-mode
Passed Audits (9)
Allows users to paste into password fields
Avoids deprecated APIs
Displays images with correct aspect ratio
Avoids requesting the geolocation permission on page load
Properly defines charset
Avoids Application Cache
Avoids requesting the notification permission on page load
Detected JavaScript libraries
Serves images with appropriate resolution
discuss.com.hk 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
Does not set a theme color for the address bar.
Manifest doesn't have a maskable icon
Installable
Does not register a service worker that controls page and `start_url`
Does not use HTTPS
2 insecure requests found
Web app manifest does not meet the installability requirements
Fast and reliable
Page load is not fast enough on mobile networks
Interactive at 29.4 s
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Passed Audits (5)
Contains some content when JavaScript is not available
Content is sized correctly for the viewport
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Provides a valid `apple-touch-icon`
Redirects HTTP traffic to HTTPS
discuss.com.hk Mobile Accessibility
81/100
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.
Links do not have a discernible name
`<frame>` or `<iframe>` elements do not have a title
Image elements do not have `[alt]` attributes
Navigation
These are opportunities to improve keyboard navigation in your application.
The page does not contain a heading, skip link, or landmark region
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.
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (21)
`[role]`s are contained by their required parent element
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
`<html>` element has a `[lang]` attribute
`[role]` values are valid
`[aria-*]` attributes match their roles
Buttons have an accessible name
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Form elements have associated labels
No element has a `[tabindex]` value greater than 0
`[id]` attributes on active, focusable elements are unique
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Document has a `<title>` element
`[aria-*]` attributes have valid values
`[aria-hidden="true"]` elements do not contain focusable descendents
ARIA IDs are unique
`[role]`s have all required `[aria-*]` attributes
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`<html>` element has a valid value for its `[lang]` attribute
`[aria-hidden="true"]` is not present on the document `<body>`
`[aria-*]` attributes are valid and not misspelled
Mobile Usability
99/100
These checks validate how easily a visitor can use discuss.com.hk 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
42/100
These checks analyze the performance of discuss.com.hk 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 (8)
Avoid landing page redirects
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Reduce server response time
Leverage browser caching
Optimize images
Enable compression
Minify HTML
Minify JavaScript
Passed Audits (2)
Minify CSS
Prioritize visible content
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