Chuyuk.blogspot.hk YUK Blog
chuyuk.blogspot.hk Desktop Performance
90/100
These metrics represent real-world Chrome users experience viewing chuyuk.blogspot.hk web page. 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 Paint68/100 1.9 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index92/100 1.2 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint95/100 0.8 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Time to Interactive99/100 1.5 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Total Blocking Time100/100 10 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (11)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused JavaScript
Potential savings of 423 KiB
400 ms
Serve images in next-gen formats
Potential savings of 545 KiB
350 ms
Defer offscreen images
Potential savings of 238 KiB
210 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
Avoid `document.write()`
Serve static assets with an efficient cache policy
30 resources found
Avoid an excessive DOM size
1,465 elements
Avoid long main-thread tasks
3 long tasks found
Keep request counts low and transfer sizes small
62 requests • 1,701 KiB
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
5 chains found
Passed Audits (17)
JavaScript execution time
0.6 s
All text remains visible during webfont loads
Eliminate render-blocking resources
Potential savings of 0 ms
Avoids enormous network payloads
Total size was 1,701 KiB
Minimizes main-thread work
1.5 s
Preload key requests
Avoid multiple page redirects
Potential savings of 190 ms
Properly size images
Enable text compression
Initial server response time was short
Root document took 200 ms
Minify JavaScript
Use video formats for animated content
Efficiently encode images
Minify CSS
Minimize third-party usage
Third-party code blocked the main thread for 20 ms
Remove unused CSS
Preconnect to required origins
chuyuk.blogspot.hk Desktop SEO
75/100
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 (3)
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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Passed Audits (9)
Links have descriptive text
Document has a valid `hreflang`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a valid `rel=canonical`
Document avoids plugins
Document has a `<title>` element
Page isn’t blocked from indexing
Page has successful HTTP status code
robots.txt is valid
chuyuk.blogspot.hk Desktop Best Practices
69/100
These checks highlight opportunities to improve the overall code health of chuyuk.blogspot.hk 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)
Trust and Safety
Links to cross-origin destinations are unsafe
Does not use HTTPS
7 insecure requests found
General
Browser errors were logged to the console
User Experience
Displays images with incorrect aspect ratio
Passed Audits (10)
Avoids requesting the geolocation permission on page load
Properly defines charset
Avoids front-end JavaScript libraries with known security vulnerabilities
Avoids deprecated APIs
Page has the HTML doctype
Avoids requesting the notification permission on page load
Serves images with appropriate resolution
Allows users to paste into password fields
Avoids Application Cache
Detected JavaScript libraries
chuyuk.blogspot.hk Desktop Progressive Web App
11/100
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 (11)
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
7 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`
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
Fast and reliable
`start_url` does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 11.4 s
Current page does not respond with a 200 when offline
Passed Audits (2)
Contains some content when JavaScript is not available
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
chuyuk.blogspot.hk Desktop Accessibility
0/100
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)
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
Image elements do not have `[alt]` attributes
`<frame>` or `<iframe>` elements do not have a title
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 have a sufficient contrast ratio
Passed Audits (19)
`[aria-*]` attributes are valid and not misspelled
`[aria-*]` attributes have valid values
`[id]` attributes on active, focusable elements are unique
`<html>` element has a valid value for its `[lang]` attribute
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
The page contains a heading, skip link, or landmark region
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
No element has a `[tabindex]` value greater than 0
`[aria-hidden="true"]` is not present on the document `<body>`
`<html>` element has a `[lang]` attribute
Heading elements appear in a sequentially-descending order
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Document has a `<title>` element
`[aria-hidden="true"]` elements do not contain focusable descendents
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`[aria-*]` attributes match their roles
Definition list items are wrapped in `<dl>` elements
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
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