It-ebooks.info IT eBooks - Free Download - New Releases
IT eBooks - Free Download eBooks Library
it-ebooks.info Mobile Performance
66/100
These metrics represent real-world Chrome users experience viewing it-ebooks.info 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
Cumulative Layout Shift
First Input Delay
First Contentful Paint
Largest Contentful Paint
Metrics
Total Blocking Time33/100 770 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Time to Interactive53/100 7.1 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Largest Contentful Paint68/100 3.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index90/100 3.4 s
Speed Index shows how quickly the contents of a page are visibly populated. 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.
Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (14)
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 553 KiB
3,150 ms
Efficiently encode images
Potential savings of 381 KiB
2,400 ms
Remove unused JavaScript
Potential savings of 229 KiB
1,500 ms
Eliminate render-blocking resources
Potential savings of 690 ms
688 ms
Reduce initial server response time
Root document took 650 ms
49 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Reduce the impact of third-party code
Third-party code blocked the main thread for 1,070 ms
Serve static assets with an efficient cache policy
40 resources found
Minimize main-thread work
4.3 s
Reduce JavaScript execution time
3.1 s
User Timing marks and measures
1 user timing
Keep request counts low and transfer sizes small
61 requests • 1,361 KiB
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
4 chains found
Avoid long main-thread tasks
16 long tasks found
Passed Audits (15)
Avoids an excessive DOM size
350 elements
Preload key requests
Use video formats for animated content
Minify CSS
Avoids enormous network payloads
Total size was 1,361 KiB
Properly size images
Avoids `document.write()`
Preconnect to required origins
Minify JavaScript
Avoid multiple page redirects
Potential savings of 630 ms
Remove unused CSS
Enable text compression
Uses passive listeners to improve scrolling performance
All text remains visible during webfont loads
Defer offscreen images
Potential savings of 123 KiB
it-ebooks.info Mobile SEO
99/100
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)
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
97% appropriately sized tap targets
Passed Audits (13)
Document uses legible font sizes
98.1% legible text
Links have descriptive text
Document has a meta description
Document avoids plugins
Page isn’t blocked from indexing
Document has a valid `hreflang`
robots.txt is valid
Document has a `<title>` element
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a valid `rel=canonical`
Page has successful HTTP status code
Links are crawlable
Image elements have `[alt]` attributes
it-ebooks.info Mobile Best Practices
62/100
These checks highlight opportunities to improve the overall code health of it-ebooks.info 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 (5)
Trust and Safety
Does not use HTTPS
1 insecure request found
Links to cross-origin destinations are unsafe
Includes front-end JavaScript libraries with known security vulnerabilities
6 vulnerabilities detected
General
Browser errors were logged to the console
User Experience
Serves images with low resolution
Passed Audits (9)
Avoids requesting the notification permission on page load
Detected JavaScript libraries
Properly defines charset
Page has the HTML doctype
Avoids deprecated APIs
Displays images with correct aspect ratio
Allows users to paste into password fields
Avoids Application Cache
Avoids requesting the geolocation permission on page load
it-ebooks.info 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)
Installable
Does not use HTTPS
1 insecure request found
Does not register a service worker that controls page and `start_url`
Web app manifest does not meet the installability requirements
PWA Optimized
Does not set a theme color for the address bar.
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
Does not provide a valid `apple-touch-icon`
Fast and reliable
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
Passed Audits (5)
Contains some content when JavaScript is not available
Content is sized correctly for the viewport
Page load is fast enough on mobile networks
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Redirects HTTP traffic to HTTPS
it-ebooks.info Mobile Accessibility
84/100
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.
Form elements do not have associated labels
Passed Audits (11)
The page contains a heading, skip link, or landmark region
`[id]` attributes on active, focusable elements are unique
Links have a discernible name
`[aria-hidden="true"]` is not present on the document `<body>`
Background and foreground colors have a sufficient contrast ratio
`<html>` element has a `[lang]` attribute
Document has a `<title>` element
Heading elements appear in a sequentially-descending order
`[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
Image elements have `[alt]` attributes
Mobile Usability
99/100
These checks validate how easily a visitor can use it-ebooks.info 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 it-ebooks.info 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 (4)
Optimize images
Leverage browser caching
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Reduce server response time
Passed Audits (6)
Avoid landing page redirects
Enable compression
Minify CSS
Minify HTML
Minify JavaScript
Prioritize visible content
www.it-ebooks.com
www.it-ebooks.net
www.it-ebooks.org
www.it-ebooks.info
www.it-ebooks.biz
www.it-ebooks.us
www.it-ebooks.mobi
www.t-ebooks.info
www.it-ebooks.info
www.ut-ebooks.info
www.iut-ebooks.info
www.uit-ebooks.info
www.jt-ebooks.info
www.ijt-ebooks.info
www.jit-ebooks.info
www.kt-ebooks.info
www.ikt-ebooks.info
www.kit-ebooks.info
www.ot-ebooks.info
www.iot-ebooks.info
www.oit-ebooks.info
www.i-ebooks.info
www.ir-ebooks.info
www.itr-ebooks.info
www.irt-ebooks.info
www.if-ebooks.info
www.itf-ebooks.info
www.ift-ebooks.info
www.ig-ebooks.info
www.itg-ebooks.info
www.igt-ebooks.info
www.iy-ebooks.info
www.ity-ebooks.info
www.iyt-ebooks.info
www.itebooks.info
www.it-books.info
www.it-wbooks.info
www.it-ewbooks.info
www.it-webooks.info
www.it-sbooks.info
www.it-esbooks.info
www.it-sebooks.info
www.it-dbooks.info
www.it-edbooks.info
www.it-debooks.info
www.it-rbooks.info
www.it-erbooks.info
www.it-rebooks.info
www.it-eooks.info
www.it-evooks.info
www.it-ebvooks.info
www.it-evbooks.info
www.it-egooks.info
www.it-ebgooks.info
www.it-egbooks.info
www.it-ehooks.info
www.it-ebhooks.info
www.it-ehbooks.info
www.it-enooks.info
www.it-ebnooks.info
www.it-enbooks.info
www.it-eboks.info
www.it-ebioks.info
www.it-eboioks.info
www.it-ebiooks.info
www.it-ebkoks.info
www.it-ebokoks.info
www.it-ebkooks.info
www.it-ebloks.info
www.it-eboloks.info
www.it-eblooks.info
www.it-ebpoks.info
www.it-ebopoks.info
www.it-ebpooks.info
www.it-eboiks.info
www.it-ebooiks.info
www.it-ebokks.info
www.it-ebookks.info
www.it-ebolks.info
www.it-eboolks.info
www.it-ebopks.info
www.it-eboopks.info
www.it-eboos.info
www.it-eboojs.info
www.it-ebookjs.info
www.it-eboojks.info
www.it-eboois.info
www.it-ebookis.info
www.it-ebooms.info
www.it-ebookms.info
www.it-eboomks.info
www.it-ebools.info
www.it-ebookls.info
www.it-ebooos.info
www.it-ebookos.info
www.it-eboooks.info
www.it-ebook.info
www.it-ebookw.info
www.it-ebooksw.info
www.it-ebookws.info
www.it-ebooke.info
www.it-ebookse.info
www.it-ebookes.info
www.it-ebookd.info
www.it-ebooksd.info
www.it-ebookds.info
www.it-ebookz.info
www.it-ebooksz.info
www.it-ebookzs.info
www.it-ebookx.info
www.it-ebooksx.info
www.it-ebookxs.info
www.it-ebooka.info
www.it-ebooksa.info
www.it-ebookas.info
www.it-ebooks.net
www.it-ebooks.org
www.it-ebooks.info
www.it-ebooks.biz
www.it-ebooks.us
www.it-ebooks.mobi
www.t-ebooks.info
www.it-ebooks.info
www.ut-ebooks.info
www.iut-ebooks.info
www.uit-ebooks.info
www.jt-ebooks.info
www.ijt-ebooks.info
www.jit-ebooks.info
www.kt-ebooks.info
www.ikt-ebooks.info
www.kit-ebooks.info
www.ot-ebooks.info
www.iot-ebooks.info
www.oit-ebooks.info
www.i-ebooks.info
www.ir-ebooks.info
www.itr-ebooks.info
www.irt-ebooks.info
www.if-ebooks.info
www.itf-ebooks.info
www.ift-ebooks.info
www.ig-ebooks.info
www.itg-ebooks.info
www.igt-ebooks.info
www.iy-ebooks.info
www.ity-ebooks.info
www.iyt-ebooks.info
www.itebooks.info
www.it-books.info
www.it-wbooks.info
www.it-ewbooks.info
www.it-webooks.info
www.it-sbooks.info
www.it-esbooks.info
www.it-sebooks.info
www.it-dbooks.info
www.it-edbooks.info
www.it-debooks.info
www.it-rbooks.info
www.it-erbooks.info
www.it-rebooks.info
www.it-eooks.info
www.it-evooks.info
www.it-ebvooks.info
www.it-evbooks.info
www.it-egooks.info
www.it-ebgooks.info
www.it-egbooks.info
www.it-ehooks.info
www.it-ebhooks.info
www.it-ehbooks.info
www.it-enooks.info
www.it-ebnooks.info
www.it-enbooks.info
www.it-eboks.info
www.it-ebioks.info
www.it-eboioks.info
www.it-ebiooks.info
www.it-ebkoks.info
www.it-ebokoks.info
www.it-ebkooks.info
www.it-ebloks.info
www.it-eboloks.info
www.it-eblooks.info
www.it-ebpoks.info
www.it-ebopoks.info
www.it-ebpooks.info
www.it-eboiks.info
www.it-ebooiks.info
www.it-ebokks.info
www.it-ebookks.info
www.it-ebolks.info
www.it-eboolks.info
www.it-ebopks.info
www.it-eboopks.info
www.it-eboos.info
www.it-eboojs.info
www.it-ebookjs.info
www.it-eboojks.info
www.it-eboois.info
www.it-ebookis.info
www.it-ebooms.info
www.it-ebookms.info
www.it-eboomks.info
www.it-ebools.info
www.it-ebookls.info
www.it-ebooos.info
www.it-ebookos.info
www.it-eboooks.info
www.it-ebook.info
www.it-ebookw.info
www.it-ebooksw.info
www.it-ebookws.info
www.it-ebooke.info
www.it-ebookse.info
www.it-ebookes.info
www.it-ebookd.info
www.it-ebooksd.info
www.it-ebookds.info
www.it-ebookz.info
www.it-ebooksz.info
www.it-ebookzs.info
www.it-ebookx.info
www.it-ebooksx.info
www.it-ebookxs.info
www.it-ebooka.info
www.it-ebooksa.info
www.it-ebookas.info