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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.

28

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.

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.

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:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:0.24 source:map[column:61962 line:1 type:source-location url:https://js.driftt.com/include/1776810300000/zi9kxfceppwu.js urlProvider:network]]]
headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:45.049 source:map[type:text value:[unattributed]]] map[reflowTime:0.24 source:map[column:119705 line:0 type:source-location url:https://js.driftt.com/include/1776810300000/zi9kxfceppwu.js urlProvider:network]]]

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
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

Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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.

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

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

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: 751 ms
URLTime Spent
smartsheet.com/751 ms
www.smartsheet.com/0.0 ms

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.

Estimated savings: 600 ms 56.8 KiB
URLTransfer SizeEst Savings
/sites/default/files/css/css_-aQ132gja9H7cskJ8kX80b81UI6y...43.6 KiB37.7 KiB
22.1 KiB19.1 KiB

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 minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation7.3 s
Style & Layout4.7 s
Other2.8 s
Rendering1.2 s
Script Parsing & Compilation623 ms
Garbage Collection363 ms
Parse HTML & CSS119 ms

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
Security badge background div.container > div#p-id-777293 > figure.image > img
/sites/default/files/2025-09/security_badges_tile_backgro...
Get it on Google Play div.footer_app-downloads > div > a.app-download > img
www.smartsheet.com/sites/default/files/google-play-badge-English.svg
uber_logo_white_space_left_align.svg logo div.content-logo > div.field > div > img
/sites/default/files/2025-09/uber_logo_white_space_left_a...
mclaren_racing_logo_white_space_left_align.svg logo div.content-logo > div.field > div > img
/sites/default/files/2025-09/mclaren_racing_logo_white_sp...
roche_logo_white_space_left_align.svg logo div.content-logo > div.field > div > img
/sites/default/files/2025-09/roche_logo_white_space_left_...
sutherland_logo_white_space_left_align.svg logo div.content-logo > div.field > div > img
/sites/default/files/2025-09/sutherland_logo_white_space_...
convergint_logo_white_space_left_align.svg logo div.content-logo > div.field > div > img
/sites/default/files/2025-09/convergint_logo_white_space_...
directtv_logo_white_space_left_align.svg logo div.content-logo > div.field > div > img
/sites/default/files/2025-09/directtv_logo_white_space_le...
li.menu-item > a.is-active > figure.media-foreground > img li.menu-item > a.is-active > figure.media-foreground > img
www.smartsheet.com/sites/default/files/smartsheet-logo-blue-new.svg
workday_logo.svg logo div.container > a#p-id-765241 > figure.logo > img
www.smartsheet.com/sites/default/files/2025-09/workday_logo.svg
workday_logo.svg logo div.container > a#p-id-765248 > figure.logo > img
www.smartsheet.com/sites/default/files/2025-09/workday_logo.svg
workday_logo.svg logo div.container > a#p-id-765241 > figure.logo > img
www.smartsheet.com/sites/default/files/2025-09/workday_logo.svg
workday_logo.svg logo div.container > a#p-id-765248 > figure.logo > img
www.smartsheet.com/sites/default/files/2025-09/workday_logo.svg
docusign_logo.svg logo div.container > a#p-id-765204 > figure.logo > img
www.smartsheet.com/sites/default/files/2025-09/docusign_logo.svg
docusign_logo.svg logo div.container > a#p-id-765204 > figure.logo > img
www.smartsheet.com/sites/default/files/2025-09/docusign_logo.svg
google_logo.svg logo div.container > a#p-id-765206 > figure.logo > img
www.smartsheet.com/sites/default/files/2025-09/google_logo.svg
google_logo.svg logo div.container > a#p-id-765206 > figure.logo > img
www.smartsheet.com/sites/default/files/2025-09/google_logo.svg
sap_logo.svg logo div.container > a#p-id-765208 > figure.logo > img
www.smartsheet.com/sites/default/files/2025-09/sap_logo.svg
sap_logo.svg logo div.container > a#p-id-765208 > figure.logo > img
www.smartsheet.com/sites/default/files/2025-09/sap_logo.svg

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

Layout shift culprits
Optimize DOM size
Font display
Improve image delivery
LCP breakdown
Modern HTTP
Optimize viewport for mobile
Minify CSS
Minify JavaScript
User Timing marks and measures 13 user timings
Avoid long main-thread tasks 20 long tasks found
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 100 ms
Server Backend Latencies 220 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 0 ms
Avoid large layout shifts 1 layout shift found
INP breakdown
LCP request discovery
Avoid non-composited animations
80

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.

ARIA

Some ARIA parent roles must contain specific child roles to perform their intended accessibility functions. Learn more about roles and required children elements.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
AI AI-powered intelligence Make work management your team’s superpower with S… article > div > div#p-id-777241 > div.slides

Using ARIA attributes in roles where they are prohibited can mean that important information is not communicated to users of assistive technologies. Learn more about prohibited ARIA roles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
To Do g > g > g#12764 > g#12740
In Progress g > g > g#12764 > g#12736
Project Progress g > g > g#13388 > g#13517
Project Milestone Progression g > g > g#13388 > g#13504
Budget Consumption g > g#13388 > g > g#13530
Spend by department g > g > g#13388 > g#13543
YTD Totals g > g > g#13388 > g#13556
Remaining g > g#13388 > g > g#13630
YTD Actual g > g#13388 > g > g#13631
$0 g > g > g#13388 > g#13579
$1K g > g > g#13388 > g#13580
$2K g > g > g#13388 > g#13581
$3K g > g > g#13388 > g#13582
$4K g > g > g#13388 > g#13583
Sales g > g > g#13388 > g#13569
Marketing g > g > g#13388 > g#13570
Legal g > g > g#13388 > g#13571
Budgeted g > g#13388 > g > g#13596
$7,900,000 g > g#13388 > g > g#13597
$2,393,942 g > g > g#13388 > g#13598
Actual g > g > g#13388 > g#13600
Remaining g > g > g#13388 > g#13601
$5,506,058 g > g > g#13388 > g#13599
Draft Creation g > g > g#13388 > g#13675
Draft Review g > g > g#13388 > g#13676
Brief and Scope g > g > g#13388 > g#13677
Kickoff g > g > g#13388 > g#13678
Build svg > g > g#12513 > g#12502
Creating your workspace svg > g > g#12513 > g#12530
Build a project plan for a cross-functional initiative. Include tasks, dates, … svg > g > g#12513 > g#12496
What would you like to build? svg > g > g#12513 > g#12501

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Names and labels

When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn how to make buttons more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.slide-holder > div.arrow-aligner > div.arrow-scroller > button.slide-nav div.slide-holder > div.arrow-aligner > div.arrow-scroller > button.slide-nav
div.slide-holder > div.arrow-aligner > div.arrow-scroller > button.slide-nav div.slide-holder > div.arrow-aligner > div.arrow-scroller > button.slide-nav

Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.container > div.static-footer > div.footer-legal > a.privacy-choices div.container > div.static-footer > div.footer-legal > a.privacy-choices

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.

Contrast

Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
ANALYST RECOGNITION div.teaser-content > div.teaser-card-static > div.content-container > p.teaser-eyebrow
AI PULSE div.teaser-content > div.teaser-card-static > div.content-container > p.teaser-eyebrow

These are opportunities to improve the legibility of your content.

Best practices

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
©2026. All Rights Reserved Smartsheet Inc. div.container > div.static-footer > div.footer-legal > a
Machine Translation Disclaimer div.container > div.static-footer > div.footer-legal > a
Cookie Preferences div.container > div.static-footer > div.footer-legal > a
div.container > div.static-footer > div.footer-legal > a.privacy-choices div.container > div.static-footer > div.footer-legal > a.privacy-choices

These items highlight common accessibility best practices.

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]`s are contained by their required parent element
`[role]` values are valid
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
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.
Select elements have associated label elements.
`button`, `link`, and `menuitem` elements have accessible names
ARIA attributes are used as specified for the element's role
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
`[aria-hidden="true"]` elements do not contain focusable descendents
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 are distinguishable without relying on color.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
No element has a `[tabindex]` value greater than 0
`[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
ARIA IDs are unique
`<video>` elements contain a `<track>` element with `[kind="captions"]`
Elements with visible text labels have matching accessible names.
`[accesskey]` values are unique
ARIA input fields have accessible names
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
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
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
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
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.
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.
Identical links have the same purpose.
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.
100

Best Practices

Uses HTTPS
Avoids deprecated APIs
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
Page has valid source maps
Redirects HTTP traffic to HTTPS
77

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.

Descriptive link text helps search engines understand your content. Learn how to make links more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Link destinationLink Text
www.smartsheet.com/trustLearn more
www.smartsheet.com/trustLearn more

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

Crawling and Indexing

Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uncrawlable Link
Your Privacy Choices div.container > div.static-footer > div.footer-legal > a.privacy

To appear in search results, crawlers need access to your app.

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

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