Terhk.com.hk terasiapacific.com: TER Asia Pacific Limited
terhk.com.hk Mobile Performance
39/100
These metrics represent real-world Chrome users experience viewing terhk.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.
Metrics
Speed Index2/100 13.6 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Largest Contentful Paint11/100 6.3 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive23/100 10.6 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Total Blocking Time69/100 450 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
First Contentful Paint71/100 3.2 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift100/100 0.002
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.
Defer offscreen images
Potential savings of 439 KiB
1,970 ms
Avoid multiple page redirects
Potential savings of 1,890 ms
1,890 ms
Serve images in next-gen formats
Potential savings of 292 KiB
1,650 ms
Remove unused JavaScript
Potential savings of 166 KiB
900 ms
Reduce initial server response time
Root document took 1,080 ms
484 ms
Eliminate render-blocking resources
Potential savings of 410 ms
411 ms
Remove unused CSS
Potential savings of 34 KiB
300 ms
Efficiently encode images
Potential savings of 42 KiB
300 ms
Minify CSS
Potential savings of 10 KiB
150 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
Reduce the impact of third-party code
Third-party code blocked the main thread for 450 ms
Minimize main-thread work
3.8 s
Serve static assets with an efficient cache policy
28 resources found
Reduce JavaScript execution time
2.5 s
Avoid chaining critical requests
10 chains found
Keep request counts low and transfer sizes small
57 requests • 1,238 KiB
Avoid large layout shifts
1 element found
Avoid long main-thread tasks
14 long tasks found
Largest Contentful Paint element
1 element found
Passed Audits (10)
Preload key requests
Use video formats for animated content
Preconnect to required origins
Minify JavaScript
Potential savings of 12 KiB
Avoids enormous network payloads
Total size was 1,238 KiB
Avoids an excessive DOM size
642 elements
Enable text compression
Avoids `document.write()`
Properly size images
All text remains visible during webfont loads
terhk.com.hk Mobile SEO
93/100
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 (1)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Document does not have a meta description
Passed Audits (13)
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a valid `hreflang`
Links have descriptive text
Links are crawlable
Page has successful HTTP status code
Page isn’t blocked from indexing
Document has a valid `rel=canonical`
Image elements have `[alt]` attributes
robots.txt is valid
Document uses legible font sizes
96.89% legible text
Document avoids plugins
Document has a `<title>` element
Tap targets are sized appropriately
100% appropriately sized tap targets
terhk.com.hk Mobile Best Practices
54/100
These checks highlight opportunities to improve the overall code health of terhk.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 (6)
General
Browser errors were logged to the console
Trust and Safety
Includes front-end JavaScript libraries with known security vulnerabilities
3 vulnerabilities detected
Does not use HTTPS
1 insecure request found
Links to cross-origin destinations are unsafe
User Experience
Displays images with incorrect aspect ratio
Serves images with low resolution
Passed Audits (8)
Avoids deprecated APIs
Detected JavaScript libraries
Page has the HTML doctype
Avoids Application Cache
Avoids requesting the geolocation permission on page load
Allows users to paste into password fields
Avoids requesting the notification permission on page load
Properly defines charset
terhk.com.hk Mobile Progressive Web App
29/100
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 (8)
PWA Optimized
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
Fast and reliable
Current page does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive at 10.6 s
`start_url` does not respond with a 200 when offline
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`
Passed Audits (6)
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Provides a valid `apple-touch-icon`
Content is sized correctly for the viewport
Redirects HTTP traffic to HTTPS
Sets a theme color for the address bar.
Contains some content when JavaScript is not available
terhk.com.hk Mobile Accessibility
92/100
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 (2)
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 (23)
The page contains a heading, skip link, or landmark region
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[aria-*]` attributes are valid and not misspelled
`[aria-*]` attributes have valid values
ARIA IDs are unique
`<html>` element has a `[lang]` attribute
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[aria-hidden="true"]` is not present on the document `<body>`
Heading elements appear in a sequentially-descending order
Image elements have `[alt]` attributes
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
`[role]`s have all required `[aria-*]` attributes
`[role]` values are valid
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`[aria-*]` attributes match their roles
Buttons have an accessible name
No element has a `[tabindex]` value greater than 0
Links have a discernible name
Definition list items are wrapped in `<dl>` elements
`[role]`s are contained by their required parent element
`[aria-hidden="true"]` elements do not contain focusable descendents
Document has a `<title>` element
`<html>` element has a valid value for its `[lang]` attribute
Mobile Usability
100/100
These checks validate how easily a visitor can use terhk.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).
Passed Audits (5)
Avoid plugins
Configure the viewport
Size content to viewport
Size tap targets appropriately
Use legible font sizes
Mobile Speed
44/100
These checks analyze the performance of terhk.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)
Reduce server response time
Avoid landing page redirects
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Optimize images
Leverage browser caching
Minify CSS
Minify JavaScript
Minify HTML
Passed Audits (2)
Enable compression
Prioritize visible content
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