Read.io READ.IO - Chinese Web Novels|Kung Fu Beyond The World|Monsters Around Us
READ.IO is a web novel original platform. There are many wonderful Chinese web original novels, as well as the latest information and developments fro...
read.io Mobile Performance
88/100
These metrics represent real-world Chrome users experience viewing read.io 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 Index45/100 6.1 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Largest Contentful Paint88/100 2.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
First Contentful Paint96/100 1.9 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Time to Interactive96/100 3.0 s
Time to interactive is the amount of time it takes for the page to become fully interactive. 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 20 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (9)
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 66 KiB
300 ms
Remove unused CSS
Potential savings of 23 KiB
150 ms
Remove unused JavaScript
Potential savings of 24 KiB
150 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
Serve static assets with an efficient cache policy
9 resources found
Avoid chaining critical requests
8 chains found
Avoid long main-thread tasks
3 long tasks found
Largest Contentful Paint element
1 element found
Keep request counts low and transfer sizes small
15 requests • 426 KiB
Passed Audits (19)
Preconnect to required origins
Avoids an excessive DOM size
94 elements
Uses passive listeners to improve scrolling performance
Minimize third-party usage
Third-party code blocked the main thread for 10 ms
Enable text compression
Minimizes main-thread work
0.6 s
Minify JavaScript
Avoid multiple page redirects
Potential savings of 630 ms
Properly size images
Minify CSS
Use video formats for animated content
Initial server response time was short
Root document took 560 ms
Eliminate render-blocking resources
Potential savings of 0 ms
Defer offscreen images
JavaScript execution time
0.2 s
Preload key requests
Avoids `document.write()`
Efficiently encode images
Avoids enormous network payloads
Total size was 426 KiB
read.io 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 (1)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Links do not have descriptive text
1 link found
Passed Audits (11)
Page isn’t blocked from indexing
Page has successful HTTP status code
Tap targets are sized appropriately
100% appropriately sized tap targets
Document has a meta description
Document avoids plugins
Links are crawlable
Document has a `<title>` element
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document uses legible font sizes
100% legible text
Image elements have `[alt]` attributes
Document has a valid `hreflang`
read.io Mobile Best Practices
69/100
These checks highlight opportunities to improve the overall code health of read.io 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)
General
Browser errors were logged to the console
Trust and Safety
Links to cross-origin destinations are unsafe
Does not use HTTPS
3 insecure requests found
Includes front-end JavaScript libraries with known security vulnerabilities
9 vulnerabilities detected
Passed Audits (10)
Properly defines charset
Avoids deprecated APIs
Allows users to paste into password fields
Page has the HTML doctype
Avoids Application Cache
Avoids requesting the notification permission on page load
Avoids requesting the geolocation permission on page load
Serves images with appropriate resolution
Displays images with correct aspect ratio
Detected JavaScript libraries
read.io 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
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
Does not provide a valid `apple-touch-icon`
Does not set a theme color for the address bar.
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`
Does not use HTTPS
3 insecure requests found
Web app manifest does not meet the installability requirements
Passed Audits (5)
Redirects HTTP traffic to HTTPS
Contains some content when JavaScript is not available
Page load is fast enough on mobile networks
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Content is sized correctly for the viewport
read.io Mobile Accessibility
95/100
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)
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (11)
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[aria-hidden="true"]` is not present on the document `<body>`
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`<html>` element has a valid value for its `[lang]` attribute
Document has a `<title>` element
`<html>` element has a `[lang]` attribute
Heading elements appear in a sequentially-descending order
Image elements have `[alt]` attributes
The page contains a heading, skip link, or landmark region
Links have a discernible name
Mobile Usability
99/100
These checks validate how easily a visitor can use read.io 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
39/100
These checks analyze the performance of read.io 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 (7)
Optimize images
Leverage browser caching
Minify JavaScript
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Enable compression
Minify HTML
Minify CSS
Passed Audits (3)
Avoid landing page redirects
Reduce server response time
Prioritize visible content
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