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Lighthouse Mobile

· 0 checks — Mobile Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.
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Detailed Report

Audit breakdown by category with detailed findings.

44

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling

Why this matters

Performance issues directly impact user engagement and conversion rates.

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]
items: [map[node:map[type:text value:Total] score:0.112034] map[node:map[boundingRect:map[bottom:1114 height:438 left:0 right:412 top:675 width:412] lhId:page-6-::before nodeLabel:body.home > main#cle-main > section#cle-galaxy-section-block_ce357c88714a9636c740dbef1ee4dc45 > ::before path:1,HTML,1,BODY,6,MAIN,1,SECTION,0,::before selector:body.home > main#cle-main > section#cle-galaxy-section-block_ce357c88714a9636c740dbef1ee4dc45 > ::before snippet:<::before> type:node] score:0.112034 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:403 height:277 left:-63 right:353 top:126 width:416] lhId:page-1-IMG nodeLabel:div.container > div.cle-flexible-page-header__content > div.cle-flexible-page-header__end > img.cle-flexible-page-header__img path:1,HTML,1,BODY,6,MAIN,0,SECTION,0,DIV,0,DIV,1,DIV,0,IMG selector:div.container > div.cle-flexible-page-header__content > div.cle-flexible-page-header__end > img.cle-flexible-page-header__img snippet:<img decoding="async" src="https://www.clever.com/wp-content/uploads/2024/08/GettyImages-493189929-sc…" alt="" class="cle-flexible-page-header__img" style="opacity: 1; transform: translate(0px, 0px);"> type:node]]] type:subitems]]]

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:9.369 source:map[column:23134 line:0 type:source-location url:https://www.clever.com/wp-content/themes/clever/assets/js/script.js?ver=1.0.0 urlProvider:network]] map[reflowTime:5.068 source:map[column:27382 line:0 type:source-location url:https://www.clever.com/wp-content/themes/clever/assets/js/script.js?ver=1.0.0 urlProvider:network]] map[reflowTime:5.806 source:map[column:97041 line:0 type:source-location url:https://www.clever.com/wp-content/themes/clever/assets/js/script.js?ver=1.0.0 urlProvider:network]] map[reflowTime:2.155 source:map[column:100096 line:0 type:source-location url:https://www.clever.com/wp-content/themes/clever/assets/js/script.js?ver=1.0.0 urlProvider:network]] map[reflowTime:8.598 source:map[column:14961 line:0 type:source-location url:https://www.clever.com/wp-content/themes/clever/assets/js/script.js?ver=1.0.0 urlProvider:network]]]

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
Cybersecure 2026 Report page cover div.col-lg-6 > div.cle-image-and-content__image-wrap > div.cle-image-and-content__image-cont > img.cle-image-and-content__image-main
www.clever.com/wp-content/uploads/2026/03/1-Clever-Homepage-CR-Image-2025.png580.5 KiB551.4 KiB
div.container > div.cle-flexible-page-header__content > div.cle-flexible-page-header__end > img.cle-flexible-page-header__img div.container > div.cle-flexible-page-header__content > div.cle-flexible-page-header__end > img.cle-flexible-page-header__img
www.clever.com/wp-content/uploads/2024/08/GettyImages-493189929-scaled.jpg454.0 KiB417.3 KiB
Elementary age student holding up a Clever Badge div.col-lg-6 > div.cle-image-and-content__image-wrap > div.cle-image-and-content__image-cont > img.cle-image-and-content__image-main
www.clever.com/wp-content/uploads/2024/02/Classroom-2.png268.8 KiB226.0 KiB
Three adults talking while the middle one is holding a tech device div.col-lg-6 > div.cle-image-and-content__image-wrap > div.cle-image-and-content__image-cont > img.cle-image-and-content__image-main
www.clever.com/wp-content/uploads/2024/02/Interoperable-2.png204.4 KiB161.6 KiB
Adult writing on a whiteboard with concentrated face div.col-lg-6 > div.cle-image-and-content__image-wrap > div.cle-image-and-content__image-cont > img.cle-image-and-content__image-main
www.clever.com/wp-content/uploads/2024/02/LayeredSecurity-2.png149.1 KiB106.3 KiB

Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

Why this matters

Performance issues directly impact user engagement and conversion rates.

description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
value: no origins were preconnected
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates
value: No additional origins are good candidates for preconnecting

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Why this matters

Performance issues directly impact user engagement and conversion rates.

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 972 ms
URLTime Spent
clever.com/972 ms
www.clever.com/0.0 ms

These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to windowing. Learn how to improve CLS

Why this matters

Performance issues directly impact user engagement and conversion rates.

ElementLayout shift score
body.home > main#cle-main > section#cle-galaxy-section-block_ce357c88714a9636c740dbef1ee4dc45 > ::before body.home > main#cle-main > section#cle-galaxy-section-block_ce357c88714a9636c740dbef1ee4dc45 > ::before
0.112

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation1.9 s
Other1.2 s
Style & Layout498 ms
Rendering302 ms
Script Parsing & Compilation260 ms
Parse HTML & CSS135 ms
Garbage Collection52 ms

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 4.3 KiB
URLTransfer SizeEst Savings
/wp-content/plugins/bsk-pdf-manager-pro/js/bsk_pdf_manage...10.2 KiB4.3 KiB

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
div.container > div.cle-flexible-page-header__content > div.cle-flexible-page-header__end > img.cle-flexible-page-header__img div.container > div.cle-flexible-page-header__content > div.cle-flexible-page-header__end > img.cle-flexible-page-header__img
www.clever.com/wp-content/uploads/2024/08/GettyImages-493189929-scaled.jpg
Clever logo div.cle-header__container > div.cle-header__col > a.cle-header__logo > img
www.clever.com/wp-content/themes/clever/assets/img/logo.png
Clever logo div.col-lg-3 > div.cle-footer__logo > a > img
www.clever.com/wp-content/themes/clever/assets/img/logo.png
main#cle-main > section#COFR > div.decor > img main#cle-main > section#COFR > div.decor > img
www.clever.com/wp-content/themes/clever/assets/img/decor-1.svg
ul.cle-footer__socials-links > li > a.cle-footer__socials-link > img ul.cle-footer__socials-links > li > a.cle-footer__socials-link > img
www.clever.com/wp-content/themes/clever/assets/img/facebook.svg
ul.cle-footer__socials-links > li > a.cle-footer__socials-link > img ul.cle-footer__socials-links > li > a.cle-footer__socials-link > img
www.clever.com/wp-content/themes/clever/assets/img/twitter.svg
ul.cle-footer__socials-links > li > a.cle-footer__socials-link > img ul.cle-footer__socials-links > li > a.cle-footer__socials-link > img
www.clever.com/wp-content/themes/clever/assets/img/linkedin.svg
ul.cle-footer__socials-links > li > a.cle-footer__socials-link > img ul.cle-footer__socials-links > li > a.cle-footer__socials-link > img
www.clever.com/wp-content/themes/clever/assets/img/youtube.svg

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

Optimize DOM size
LCP breakdown
Modern HTTP
Optimize viewport for mobile
Minify CSS
User Timing marks and measures 5 user timings
Avoid long main-thread tasks 15 long tasks found
Avoid non-composited animations 9 animated elements found
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 40 ms
Server Backend Latencies 170 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 480 ms
INP breakdown
LCP request discovery
96

Accessibility

These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.

Tables and lists

Screen readers have a specific way of announcing lists. Ensuring proper list structure aids screen reader output. Learn more about proper list structure.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Log in as a Student Teacher or Staff District Admin Application Partner div.cle-header__col > ul.cle-header__login-menu > li > ul.sub-menu
Back to Menu Schools overview Data & Access Free Secure Sync Rostering Single s… div.cle-header-mobile__container > ul#menu-header-menu-1 > li.menu-item > ul.sub-menu
Back to Menu Clever Complete for Application Partners Secure Sync Rostering Cle… div.cle-header-mobile__container > ul#menu-header-menu-1 > li.menu-item > ul.sub-menu
Back to Menu About Us Trust comes first News Careers Inclusion at Clever div.cle-header-mobile__container > ul#menu-header-menu-1 > li.menu-item > ul.sub-menu
Back to Menu Learn Help center Free 24/7 access to an in-depth knowledge base R… div.cle-header-mobile__container > ul#menu-header-menu-1 > li.menu-item > ul.sub-menu

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Interactive controls are keyboard focusable
Interactive elements indicate their purpose and state
The page has a logical tab order
Visual order on the page follows DOM order
User focus is not accidentally trapped in a region
The user's focus is directed to new content added to the page
HTML5 landmark elements are used to improve navigation
Offscreen content is hidden from assistive technology
Custom controls have associated labels
Custom controls have ARIA roles
`[aria-*]` attributes match their roles
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]`s have all required `[aria-*]` attributes
`[role]` values are valid
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
Image elements have `[alt]` attributes
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
ARIA attributes are used as specified for the element's role
Elements use only permitted ARIA attributes
Background and foreground colors have a sufficient contrast ratio
Document has a `<title>` element
`<frame>` or `<iframe>` elements have a title
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
Links have a discernible name
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
`[lang]` attributes have a valid value
Heading elements appear in a sequentially-descending order
Document has a main landmark.
Deprecated ARIA roles were not used
Identical links have the same purpose.
`[accesskey]` values are unique
`button`, `link`, and `menuitem` elements have accessible names
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
`[aria-hidden="true"]` elements do not contain focusable descendents
ARIA input fields have accessible names
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[role]`s are contained by their required parent element
Elements with the `role=text` attribute do not have focusable descendents.
ARIA toggle fields have accessible names
ARIA `tooltip` elements have accessible names
ARIA `treeitem` elements have accessible names
The page contains a heading, skip link, or landmark region
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Definition list items are wrapped in `<dl>` elements
ARIA IDs are unique
No form fields have multiple labels
`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
Input buttons have discernible text.
`<input type="image">` elements have `[alt]` text
Form elements have associated labels
Links are distinguishable without relying on color.
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
Select elements have associated label elements.
Skip links are focusable.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
`<video>` elements contain a `<track>` element with `[kind="captions"]`
Tables have different content in the summary attribute and `<caption>`.
All heading elements contain content.
Uses ARIA roles only on compatible elements
Image elements do not have `[alt]` attributes that are redundant text.
Elements with visible text labels have matching accessible names.
Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
`<td>` elements in a large `<table>` have one or more table headers.
81

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
SharedStorage
StorageType.persistent is deprecated. Please use standardized navigator.storage instead.
Fledge

Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uses HTTPS
Avoids third-party cookies
Allows users to paste into input fields
Avoids requesting the geolocation permission on page load
Avoids requesting the notification permission on page load
Displays images with correct aspect ratio
Serves images with appropriate resolution
Page has the HTML doctype
Properly defines charset
No browser errors logged to the console
No issues in the `Issues` panel in Chrome Devtools
Ensure CSP is effective against XSS attacks
Use a strong HSTS policy
Ensure proper origin isolation with COOP
Mitigate clickjacking with XFO or CSP
Mitigate DOM-based XSS with Trusted Types
Detected JavaScript libraries
Redirects HTTP traffic to HTTPS
92

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Content Best Practices

Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Format your HTML in a way that enables crawlers to better understand your app’s content.

Structured data is valid
Page isn’t blocked from indexing
Document has a `<title>` element
Page has successful HTTP status code
Links have descriptive text
Links are crawlable
robots.txt is valid
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`

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