Char7nas-1er.blogspot.qa شرح نص - شروحات نصوص وقصائد الكتاب المدرسي لتلاميذ السنة الأولى و الثانية من التعليم الثانوي.

شروحات قصائد ونصوص الكتاب المدرسي لتلامذة السنة الأولى و الثانية و الثالثة ثانوي

Char7nas-1er.blogspot.qa Mobile Performance

char7nas-1er.blogspot.qa Mobile Performance

87/100

These metrics represent real-world Chrome users experience viewing char7nas-1er.blogspot.qa 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

First Contentful Paint

First Input Delay

Cumulative Layout Shift

Metrics

Largest Contentful Paint75/100 3.1 s

Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More

First Contentful Paint76/100 3.0 s

First Contentful Paint marks the time at which the first text or image is painted. Learn more.

Time to Interactive87/100 4.1 s

Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.

Speed Index94/100 3.0 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 80 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 63 KiB

450 ms

Diagnostics

More information about the performance of your application. These numbers don't directly affect the Performance score.

Avoid `document.write()`

Serve static assets with an efficient cache policy

5 resources found

Avoid long main-thread tasks

4 long tasks found

Avoid chaining critical requests

7 chains found

Largest Contentful Paint element

1 element found

Keep request counts low and transfer sizes small

17 requests • 253 KiB

Passed Audits (21)

Remove unused CSS

JavaScript execution time

0.6 s

Serve images in next-gen formats

Minify JavaScript

Avoids enormous network payloads

Total size was 253 KiB

Eliminate render-blocking resources

Properly size images

Initial server response time was short

Root document took 110 ms

Efficiently encode images

Avoid multiple page redirects

Potential savings of 630 ms

Use video formats for animated content

Enable text compression

Uses passive listeners to improve scrolling performance

Preconnect to required origins

Minimizes main-thread work

1.0 s

Preload key requests

Defer offscreen images

Avoids an excessive DOM size

140 elements

Minify CSS

All text remains visible during webfont loads

Minimize third-party usage

Third-party code blocked the main thread for 100 ms

Char7nas-1er.blogspot.qa Mobile SEO

char7nas-1er.blogspot.qa Mobile SEO

93/100

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.

Image elements do not have `[alt]` attributes

Passed Audits (13)

Has a `<meta name="viewport">` tag with `width` or `initial-scale`

Document avoids plugins

robots.txt is valid

Document uses legible font sizes

100% legible text

Document has a `<title>` element

Document has a valid `rel=canonical`

Document has a valid `hreflang`

Document has a meta description

Links are crawlable

Links have descriptive text

Page isn’t blocked from indexing

Page has successful HTTP status code

Tap targets are sized appropriately

100% appropriately sized tap targets

Char7nas-1er.blogspot.qa Mobile Best Practices

char7nas-1er.blogspot.qa Mobile Best Practices

77/100

These checks highlight opportunities to improve the overall code health of char7nas-1er.blogspot.qa 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

Includes front-end JavaScript libraries with known security vulnerabilities

6 vulnerabilities detected

Does not use HTTPS

8 insecure requests found

General

Browser errors were logged to the console

Passed Audits (11)

Avoids requesting the geolocation permission on page load

Displays images with correct aspect ratio

Properly defines charset

Serves images with appropriate resolution

Page has the HTML doctype

Links to cross-origin destinations are safe

Avoids requesting the notification permission on page load

Avoids deprecated APIs

Avoids Application Cache

Allows users to paste into password fields

Detected JavaScript libraries

Char7nas-1er.blogspot.qa Mobile Progressive Web App

char7nas-1er.blogspot.qa 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 (9)

PWA Optimized

Is not configured for a custom splash screen

Does not set a theme color for the address bar.

Does not redirect HTTP traffic to HTTPS

Manifest doesn't have a maskable icon

Installable

Web app manifest does not meet the installability requirements

Does not use HTTPS

8 insecure requests found

Does not register a service worker that controls page and `start_url`

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 (5)

Has a `<meta name="viewport">` tag with `width` or `initial-scale`

Provides a valid `apple-touch-icon`

Content is sized correctly for the viewport

Contains some content when JavaScript is not available

Page load is fast enough on mobile networks

Char7nas-1er.blogspot.qa Mobile Accessibility

char7nas-1er.blogspot.qa Mobile Accessibility

89/100

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.

Image elements do not have `[alt]` attributes

Passed Audits (13)

Heading elements appear in a sequentially-descending order

`[aria-*]` attributes have valid values

`[aria-*]` attributes match their roles

Background and foreground colors have a sufficient contrast ratio

Document has a `<title>` element

`[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 `[lang]` attribute

`[aria-hidden="true"]` is not present on the document `<body>`

`[aria-*]` attributes are valid and not misspelled

The page contains a heading, skip link, or landmark region

Form elements have associated labels

`<html>` element has a valid value for its `[lang]` attribute

Links have a discernible name

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