Kelloggs.com.hk 首頁 | Kellogg's
來找尋家樂氏專業的營養建議與早餐選擇
kelloggs.com.hk Mobile Performance
42/100
These metrics represent real-world Chrome users experience viewing kelloggs.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
Largest Contentful Paint
Cumulative Layout Shift
First Contentful Paint
First Input Delay
Metrics
Largest Contentful Paint0/100 10.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index28/100 7.4 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Time to Interactive56/100 6.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Cumulative Layout Shift57/100 0.221
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
First Contentful Paint63/100 3.5 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Total Blocking Time70/100 440 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (19)
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 689 KiB
3,450 ms
Properly size images
Potential savings of 470 KiB
2,400 ms
Eliminate render-blocking resources
Potential savings of 2,040 ms
2,040 ms
Preload key requests
Potential savings of 1,590 ms
1,590 ms
Efficiently encode images
Potential savings of 358 KiB
1,500 ms
Remove unused JavaScript
Potential savings of 70 KiB
600 ms
Remove unused CSS
Potential savings of 50 KiB
300 ms
Reduce initial server response time
Root document took 800 ms
202 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Ensure text remains visible during webfont load
Reduce the impact of third-party code
Third-party code blocked the main thread for 290 ms
Does not use passive listeners to improve scrolling performance
Serve static assets with an efficient cache policy
34 resources found
Minimize main-thread work
2.7 s
JavaScript execution time
1.2 s
Avoid long main-thread tasks
12 long tasks found
Keep request counts low and transfer sizes small
54 requests • 1,692 KiB
Avoid chaining critical requests
12 chains found
Avoid large layout shifts
1 element found
Largest Contentful Paint element
1 element found
Passed Audits (10)
Avoids `document.write()`
Enable text compression
Minify CSS
Potential savings of 2 KiB
Use video formats for animated content
Avoid multiple page redirects
Potential savings of 7,830 ms
Defer offscreen images
Avoids enormous network payloads
Total size was 1,692 KiB
Avoids an excessive DOM size
550 elements
Minify JavaScript
Preconnect to required origins
kelloggs.com.hk Mobile SEO
86/100
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.
Document doesn't use legible font sizes
41.18% legible text
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 valid `hreflang`
robots.txt is valid
Links are crawlable
Document avoids plugins
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a `<title>` element
Page has successful HTTP status code
Page isn’t blocked from indexing
Document has a meta description
Links have descriptive text
Document has a valid `rel=canonical`
Tap targets are sized appropriately
100% appropriately sized tap targets
kelloggs.com.hk Mobile Best Practices
69/100
These checks highlight opportunities to improve the overall code health of kelloggs.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 (4)
User Experience
Serves images with low resolution
Trust and Safety
Links to cross-origin destinations are unsafe
Includes front-end JavaScript libraries with known security vulnerabilities
10 vulnerabilities detected
Does not use HTTPS
1 insecure request found
Passed Audits (10)
Properly defines charset
Page has the HTML doctype
Avoids Application Cache
Allows users to paste into password fields
Displays images with correct aspect ratio
No browser errors logged to the console
Avoids requesting the notification permission on page load
Detected JavaScript libraries
Avoids deprecated APIs
Avoids requesting the geolocation permission on page load
kelloggs.com.hk Mobile Progressive Web App
46/100
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
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
Fast and reliable
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Installable
Does not register a service worker that controls page and `start_url`
Web app manifest does not meet the installability requirements
Does not use HTTPS
1 insecure request found
Passed Audits (5)
Contains some content when JavaScript is not available
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Content is sized correctly for the viewport
Page load is fast enough on mobile networks
Redirects HTTP traffic to HTTPS
kelloggs.com.hk Mobile Accessibility
82/100
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 (1)
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
Passed Audits (11)
`<html>` element has a valid value for its `[lang]` attribute
`[aria-hidden="true"]` is not present on the document `<body>`
Background and foreground colors have a sufficient contrast ratio
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
Document has a `<title>` element
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
The page contains a heading, skip link, or landmark region
Heading elements appear in a sequentially-descending order
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`<html>` element has a `[lang]` attribute
Links have a discernible name
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