Leungjass.blogspot.hk 華麗的戰爭
leungjass.blogspot.hk Mobile Performance
95/100
These metrics represent real-world Chrome users experience viewing leungjass.blogspot.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
Largest Contentful Paint87/100 2.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive92/100 3.6 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint95/100 2.0 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Speed Index99/100 2.1 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Total Blocking Time100/100 90 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (7)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused JavaScript
Potential savings of 86 KiB
450 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Minimize main-thread work
2.1 s
Uses efficient cache policy on static assets
11 resources found
Keep request counts low and transfer sizes small
21 requests • 212 KiB
Avoid long main-thread tasks
4 long tasks found
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
3 chains found
Passed Audits (21)
Eliminate render-blocking resources
Potential savings of 40 ms
Avoids an excessive DOM size
257 elements
Initial server response time was short
Root document took 270 ms
Avoids enormous network payloads
Total size was 212 KiB
Minify JavaScript
All text remains visible during webfont loads
Defer offscreen images
Avoid multiple page redirects
Potential savings of 630 ms
Properly size images
JavaScript execution time
0.3 s
Serve images in next-gen formats
Minify CSS
Efficiently encode images
Preload key requests
Preconnect to required origins
Use video formats for animated content
Remove unused CSS
Avoids `document.write()`
Minimize third-party usage
Third-party code blocked the main thread for 90 ms
Enable text compression
Uses passive listeners to improve scrolling performance
leungjass.blogspot.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)
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
Document does not have a meta description
Passed Audits (12)
Links have descriptive text
Document has a `<title>` element
Document has a valid `hreflang`
Document has a valid `rel=canonical`
Document avoids plugins
Document uses legible font sizes
99.76% legible text
robots.txt is valid
Tap targets are sized appropriately
100% appropriately sized tap targets
Page has successful HTTP status code
Links are crawlable
Page isn’t blocked from indexing
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
leungjass.blogspot.hk Mobile Best Practices
77/100
These checks highlight opportunities to improve the overall code health of leungjass.blogspot.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 (3)
User Experience
Serves images with low resolution
Trust and Safety
Links to cross-origin destinations are unsafe
Does not use HTTPS
5 insecure requests found
Passed Audits (11)
Avoids deprecated APIs
Detected JavaScript libraries
Displays images with correct aspect ratio
Avoids front-end JavaScript libraries with known security vulnerabilities
Avoids Application Cache
No browser errors logged to the console
Allows users to paste into password fields
Page has the HTML doctype
Avoids requesting the notification permission on page load
Properly defines charset
Avoids requesting the geolocation permission on page load
leungjass.blogspot.hk Mobile Progressive Web App
39/100
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)
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
5 insecure requests found
PWA Optimized
Does not set a theme color for the address bar.
Does not redirect HTTP traffic to HTTPS
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
Passed Audits (4)
Page load is fast enough on mobile networks
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`
leungjass.blogspot.hk Mobile Accessibility
53/100
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 (5)
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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
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
Tables and lists
These are opportunities to to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
`<dl>`'s do not contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (8)
The page contains a heading, skip link, or landmark region
Document has a `<title>` element
Links have a discernible name
`<html>` element has a `[lang]` attribute
`[id]` attributes on active, focusable elements are unique
`<html>` element has a valid value for its `[lang]` attribute
Definition list items are wrapped in `<dl>` elements
`[aria-hidden="true"]` is not present on the document `<body>`
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