Ficbook.net Книга Фанфиков
ficbook.net Mobile Performance
11/100
These metrics represent real-world Chrome users experience viewing ficbook.net 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 Input Delay
First Contentful Paint
Metrics
Total Blocking Time0/100 4,040 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Largest Contentful Paint4/100 7.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Time to Interactive4/100 17.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Speed Index10/100 10.0 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint22/100 5.5 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift100/100 0.021
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (20)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Eliminate render-blocking resources
Potential savings of 4,040 ms
4,041 ms
Remove unused JavaScript
Potential savings of 543 KiB
3,290 ms
Remove unused CSS
Potential savings of 47 KiB
210 ms
Defer offscreen images
Potential savings of 70 KiB
150 ms
Serve images in next-gen formats
Potential savings of 78 KiB
150 ms
Reduce initial server response time
Root document took 620 ms
22 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Minimize main-thread work
16.0 s
Reduce the impact of third-party code
Third-party code blocked the main thread for 3,920 ms
Ensure text remains visible during webfont load
Does not use passive listeners to improve scrolling performance
Avoid `document.write()`
Reduce JavaScript execution time
10.1 s
Serve static assets with an efficient cache policy
50 resources found
Avoid an excessive DOM size
1,125 elements
Avoid chaining critical requests
8 chains found
Largest Contentful Paint element
1 element found
User Timing marks and measures
15 user timings
Keep request counts low and transfer sizes small
162 requests • 2,154 KiB
Avoid large layout shifts
2 elements found
Avoid long main-thread tasks
20 long tasks found
Passed Audits (10)
Preconnect to required origins
Enable text compression
Minify CSS
Avoids enormous network payloads
Total size was 2,154 KiB
Avoid multiple page redirects
Potential savings of 630 ms
Minify JavaScript
Efficiently encode images
Use video formats for animated content
Preload key requests
Properly size images
ficbook.net Mobile SEO
81/100
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
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.
Tap targets are not sized appropriately
53% appropriately sized tap targets
Passed Audits (10)
Links have descriptive text
Document avoids plugins
Document has a `<title>` element
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document uses legible font sizes
98.66% legible text
Links are crawlable
Page has successful HTTP status code
Page isn’t blocked from indexing
Document has a valid `hreflang`
robots.txt is valid
ficbook.net Mobile Best Practices
77/100
These checks highlight opportunities to improve the overall code health of ficbook.net 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)
Trust and Safety
Does not use HTTPS
1 insecure request found
Includes front-end JavaScript libraries with known security vulnerabilities
2 vulnerabilities detected
General
Browser errors were logged to the console
Passed Audits (11)
Displays images with correct aspect ratio
Serves images with appropriate resolution
Properly defines charset
Avoids deprecated APIs
Page has the HTML doctype
Allows users to paste into password fields
Avoids requesting the geolocation permission on page load
Links to cross-origin destinations are safe
Avoids requesting the notification permission on page load
Detected JavaScript libraries
Avoids Application Cache
ficbook.net Mobile Progressive Web App
43/100
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 (5)
Installable
Does not use HTTPS
1 insecure request found
PWA Optimized
Manifest doesn't have a maskable icon
Fast and reliable
Page load is not fast enough on mobile networks
Interactive at 17.8 s
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
Passed Audits (9)
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`
Web app manifest meets the installability requirements
Provides a valid `apple-touch-icon`
Redirects HTTP traffic to HTTPS
Registers a service worker that controls page and `start_url`
Configured for a custom splash screen
Sets a theme color for the address bar.
ficbook.net Mobile Accessibility
77/100
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 (6)
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.
Form elements do not have associated labels
Links do not have a discernible name
Image elements do not have `[alt]` attributes
`<frame>` or `<iframe>` elements do not have a title
Buttons do not have an accessible name
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (24)
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
No element has a `[tabindex]` value greater than 0
Heading elements appear in a sequentially-descending order
Definition list items are wrapped in `<dl>` elements
`<html>` element has a `[lang]` attribute
`[role]`s are contained by their required parent element
Document has a `<title>` element
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
The page contains a heading, skip link, or landmark region
`<html>` element has a valid value for its `[lang]` attribute
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
`[aria-*]` attributes are valid and not misspelled
`[lang]` attributes have a valid value
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
`[aria-hidden="true"]` elements do not contain focusable descendents
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`[aria-*]` attributes have valid values
`[role]` values are valid
`[id]` attributes on active, focusable elements are unique
`[aria-*]` attributes match their roles
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]`s have all required `[aria-*]` attributes
Mobile Usability
88/100
These checks validate how easily a visitor can use ficbook.net 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
51/100
These checks analyze the performance of ficbook.net 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 (5)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Optimize images
Leverage browser caching
Enable compression
Reduce server response time
Passed Audits (5)
Avoid landing page redirects
Minify CSS
Minify HTML
Minify JavaScript
Prioritize visible content
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