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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.

60

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.

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.

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.

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.

RequestCache TTLTransfer Size
openads-cdn.adsrvr.org/openadsjs/build/latest/openads.js0.0 ms96.2 KiB
cdn.privacy-mgmt.com/Notice.8f529.js3600.0 s91.2 KiB
c.amazon-adsystem.com/aax2/apstag.js3600.0 s90.9 KiB
secure.cdn.fastclick.net/js/cnvr-coreid/latest/coreid.min.js900.0 s47.1 KiB
cdn.privacy-mgmt.com/unified/wrapperMessagingWithoutDetection.js3600.0 s42.0 KiB
cp.insideevs.com/now.js600.0 s35.2 KiB
cdn.id5-sync.com/api/1.0/id5-api.js3600.0 s34.4 KiB
secure.cdn.fastclick.net/js/cnvr-launcher/latest/launcher.min.js900.0 s24.7 KiB
secure.cdn.fastclick.net/js/pubcid/latest/pubcid.min.js900.0 s21.7 KiB
cdn-1.motorsportnetwork.com/msnt/static/relevantyield/index_v48.js0.0 ms10.1 KiB
api.receptivity.io/v1/prebid/MOTP260216/connector/rxConnector.js3600.0 s8.5 KiB
tags.crwdcntrl.net/lt/c/16576/sync.min.js86400.0 s13.5 KiB
cdn.privacy-mgmt.com/Notice.30929.css3600.0 s6.7 KiB
rumcdn.geoedge.be/4f7650cc-a02d-4912-81aa-4cbe6ff03114/grumi-ip.js14400.0 s7.1 KiB
rumcdn.geoedge.be/3da206c9-6a17-4395-ad4e-50a54cf16bb6/grumi-ip.js14400.0 s7.1 KiB
cdn.motor1.com/custom/share/evus_newsletter_widget_logo.svg0.0 ms3.5 KiB
cdn-1.motorsportnetwork.com/msnt/static/trackunload/index_v4.js0.0 ms1.9 KiB
cdn.privacy-mgmt.com/polyfills.01516.js3600.0 s2.3 KiB
config.aps.amazon-adsystem.com/configs/8a32a57d-f11b-4262-9c67-ea4831cabcbc3600.0 s2.3 KiB
/2bce8fb0-af64-4250-a4ee-ffed620e0ed6/launchpad-liveramp.js0.0 ms1.8 KiB
secure.cdn.fastclick.net/js/cnvr-launcher/latest/launcher-stub.min.js900.0 s1.1 KiB
cdn.motor1.com/images/static/spinner.svg0.0 ms867 B
/track/cmf/generic?ttd_pid=ber823s&ttd_tpi=1&gdpr=&gdpr_c...0.0 ms149 B

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
a.block > div.relative > picture.block > img.lg:group-hover/item:scale-110 a.block > div.relative > picture.block > img.lg:group-hover/item:scale-110
cdn.motor1.com/images/mgl/pbJ70g/s4/the-best-evs-in-march-2026.webp32.4 KiB16.7 KiB
The Rivian R2 Just Officially Entered Production div.relative > a > picture.block > img.block
cdn.motor1.com/images/mgl/3WEpNx/s6/rivian-r2-factory-assembly.webp18.2 KiB12.2 KiB

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

Keep the server response time for the main document short because all other requests depend on it. Learn more about the Time to First Byte metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 634 ms
URLTime Spent
insideevs.com/734 ms

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

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.

URLTotal CPU TimeScript EvaluationScript Parse
Unattributable776 ms240 ms0.0 ms
insideevs.com/745 ms58 ms14 ms
m1tm.insideevs.com/gtm.js?id=GTM-WF9DGGT&l=gtmDataLayer586 ms490 ms72 ms
motorsport-cdn.relevant-digital.com/static/tags/66fa672af9574f96b59fc220.js577 ms451 ms119 ms
c.amazon-adsystem.com/aax2/apstag.js363 ms306 ms33 ms
/gtag/js?id=G-S1VTQEHNME&l=gtmDataLayer&cx=c&gtm=4e64k1&s...264 ms224 ms38 ms
fundingchoicesmessages.google.com/i/23178050824?ers=3209 ms183 ms16 ms
cdn.privacy-mgmt.com/unified/wrapperMessagingWithoutDetection.js202 ms147 ms14 ms
openads-cdn.adsrvr.org/openadsjs/build/latest/openads.js188 ms160 ms25 ms
/pagead/managed/js/gpt/m202604160201/pubads_impl.js182 ms137 ms43 ms
cdn.privacy-mgmt.com/unified/4.40.1/usnat.f12613136193900e32e2.bundle.js116 ms86 ms30 ms
securepubads.g.doubleclick.net/tag/js/gpt.js88 ms75 ms9.6 ms
api.receptivity.io/v1/prebid/MOTP260216/connector/rxConnector.js80 ms65 ms1.6 ms
/kp/static4ui/prod_v8_eks_306/design/dist/js/6337_a3748e1...78 ms69 ms2.1 ms
secure.cdn.fastclick.net/js/cnvr-coreid/latest/coreid.min.js72 ms61 ms11 ms
/kp/static4ui/prod_v8_eks_306/design/dist/prioritized/818...64 ms58 ms3.0 ms
rumcdn.geoedge.be/4f7650cc-a02d-4912-81aa-4cbe6ff03114/grumi.js61 ms37 ms24 ms
rumcdn.geoedge.be/3da206c9-6a17-4395-ad4e-50a54cf16bb6/grumi.js60 ms37 ms20 ms
/kp/static4ui/prod_v8_eks_306/design/dist/js/4150_a3748e1...59 ms54 ms0.3 ms
cdn.privacy-mgmt.com/unified/4.40.1/gdpr-tcf.27718c8cb9d29947d2c1.bundle.js58 ms43 ms14 ms
secure.cdn.fastclick.net/js/cnvr-launcher/latest/launcher.min.js54 ms45 ms4.6 ms

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 Evaluation3.4 s
Other768 ms
Script Parsing & Compilation577 ms
Style & Layout375 ms
Parse HTML & CSS131 ms
Rendering103 ms
Garbage Collection20 ms

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reasonFailure type
Pages with cache-control:no-store header cannot enter back/forward cache.Actionable
Pages whose main resource has cache-control:no-store cannot enter back/forward cache.Not actionable
Back/forward cache is disabled because some JavaScript network request received resource with Cache-Control: no-store header.Not actionable

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 14.1 KiB
URLTransfer SizeEst Savings
launchpad.privacymanager.io/latest/launchpad.bundle.js44.9 KiB14.1 KiB

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: 0.0 ms 17.3 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.

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
logo div.sidebar-widgets-mobile > section.widget-newsletter > div.widget-newsletter__logo > img
cdn.motor1.com/custom/share/evus_newsletter_widget_logo.svg
logo div.footer-col > section.widget-newsletter > div.widget-newsletter__logo > img
cdn.motor1.com/custom/share/evus_newsletter_widget_logo.svg
div.ms-page-wrapper > div#page_skin_top > div.adSizer > img div.ms-page-wrapper > div#page_skin_top > div.adSizer > img

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

Layout shift culprits
Optimize DOM size
Forced reflow
LCP breakdown
LCP request discovery
Modern HTTP
Optimize viewport for mobile
Minify CSS
User Timing marks and measures 13 user timings
Avoid long main-thread tasks 20 long tasks found
Network Requests
Network Round Trip Times 50 ms
Server Backend Latencies 190 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Avoid multiple page redirects
Avoid large layout shifts 1 layout shift found
INP breakdown
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
No results found body.nojs > div.ss-content
Search body.nojs > div.ss-content
No results found body.nojs > div.ss-content
Search body.nojs > div.ss-content

Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid names. Learn more about valid ARIA attributes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div#page_index_index_index > div.ms-page-wrapper > div#page_skin_top > a.pageAdSkinUrl div#page_index_index_index > div.ms-page-wrapper > div#page_skin_top > a.pageAdSkinUrl

When an element doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn how to make command elements more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div#page_index_index_index > div.ms-page-wrapper > div#page_skin_top > a.pageAdSkinUrl div#page_index_index_index > div.ms-page-wrapper > div#page_skin_top > a.pageAdSkinUrl

When an input field doesn't have an accessible name, screen readers announce it with a generic name, making it unusable for users who rely on screen readers. Learn more about input field labels.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
No results found body.nojs > div.ss-content
Search body.nojs > div.ss-content
No results found body.nojs > div.ss-content
Search body.nojs > div.ss-content

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.

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
TOP STORY article.md:grid-top-large > div.item-recommendation > div.mxmob:mt-spacing-md-xs > div.normal-title-small
Features div.item-recommendation > div.mxmob:mt-spacing-md-xs > div.comfort-label-small > a.text-text-contrast-accent
Commercial Vehicles div.flex > div.flex > div.comfort-label-small > a.text-text-contrast-accent

These are opportunities to improve the legibility of your content.

Navigation

A value greater than 0 implies an explicit navigation ordering. Although technically valid, this often creates frustrating experiences for users who rely on assistive technologies. Learn more about the `tabindex` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Skip to main content body.nojs > a.m1-skip-link

These are opportunities to improve keyboard navigation in your application.

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
Buttons have an accessible name
Image elements have `[alt]` attributes
Input buttons have discernible text.
Form elements have associated labels
`[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 with `role="dialog"` or `role="alertdialog"` have accessible names.
`[aria-hidden="true"]` elements do not contain focusable descendents
Elements use only permitted ARIA attributes
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
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
Touch targets have sufficient size and spacing.
Heading elements appear in a sequentially-descending order
Skip links are focusable.
Document has a main landmark.
Deprecated ARIA roles were not used
Identical links have the same purpose.
`[accesskey]` values are unique
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
`[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 type="image">` elements have `[alt]` text
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.
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.
`[lang]` attributes have a valid value
`<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.
77

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
Topics

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
Uncaught TypeError: Cannot read properties of undefined (reading 'apply')
Uncaught TypeError: Cannot read properties of undefined (reading 'apply')

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.

URLMap URL
m1tm.insideevs.com/gtm.js?id=GTM-WF9DGGT&l=gtmDataLayer
motorsport-cdn.relevant-digital.com/static/tags/66fa672af9574f96b59fc220.js/static/tags/b_r_l_ope_a_s_defaultProgrammaticTag_GamAdse...
launchpad.privacymanager.io/latest/launchpad.bundle.jslaunchpad.privacymanager.io/latest/launchpad.bundle.js.map
/kp/static4ui/prod_v8_eks_306/design/dist/prioritized/818.../kp/static4ui/prod_v8_eks_306/design/dist/prioritized/818...
/kp/static4ui/prod_v8_eks_306/design/dist/prioritized/606.../kp/static4ui/prod_v8_eks_306/design/dist/prioritized/606...
/kp/static4ui/prod_v8_eks_306/design/dist/js/8851_a3748e1.../kp/static4ui/prod_v8_eks_306/design/dist/js/8851_a3748e1...
/kp/static4ui/prod_v8_eks_306/design/dist/js/8311_a3748e1.../kp/static4ui/prod_v8_eks_306/design/dist/js/8311_a3748e1...
/kp/static4ui/prod_v8_eks_306/design/dist/js/6337_a3748e1.../kp/static4ui/prod_v8_eks_306/design/dist/js/6337_a3748e1...
/kp/static4ui/prod_v8_eks_306/design/dist/js/5957_a3748e1.../kp/static4ui/prod_v8_eks_306/design/dist/js/5957_a3748e1...
/kp/static4ui/prod_v8_eks_306/design/dist/js/5877_a3748e1.../kp/static4ui/prod_v8_eks_306/design/dist/js/5877_a3748e1...
/kp/static4ui/prod_v8_eks_306/design/dist/js/5563_a3748e1.../kp/static4ui/prod_v8_eks_306/design/dist/js/5563_a3748e1...
/kp/static4ui/prod_v8_eks_306/design/dist/js/457_a3748e15.../kp/static4ui/prod_v8_eks_306/design/dist/js/457_a3748e15...
/kp/static4ui/prod_v8_eks_306/design/dist/js/4150_a3748e1.../kp/static4ui/prod_v8_eks_306/design/dist/js/4150_a3748e1...
/kp/static4ui/prod_v8_eks_306/design/dist/js/3798_a3748e1.../kp/static4ui/prod_v8_eks_306/design/dist/js/3798_a3748e1...
/kp/static4ui/prod_v8_eks_306/design/dist/js/3461_a3748e1.../kp/static4ui/prod_v8_eks_306/design/dist/js/3461_a3748e1...
/kp/static4ui/prod_v8_eks_306/design/dist/js/3436_a3748e1.../kp/static4ui/prod_v8_eks_306/design/dist/js/3436_a3748e1...
/kp/static4ui/prod_v8_eks_306/design/dist/js/3147_a3748e1.../kp/static4ui/prod_v8_eks_306/design/dist/js/3147_a3748e1...
/kp/static4ui/prod_v8_eks_306/design/dist/js/2217_a3748e1.../kp/static4ui/prod_v8_eks_306/design/dist/js/2217_a3748e1...
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 issues in the `Issues` panel in Chrome Devtools
Ensure CSP is effective against XSS attacks
Ensure proper origin isolation with COOP
Mitigate DOM-based XSS with Trusted Types
Detected JavaScript libraries
Redirects HTTP traffic to HTTPS
Use a strong HSTS policy
Mitigate clickjacking with XFO or CSP
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

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
insideevs.com/?p=2MORE

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
Document has a meta description
Page has successful HTTP status code
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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