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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.

33

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.

RequestCache TTLTransfer Size
www.skf.com/assets/REMANUFACTURE_9_16.mp4600.0 s10.8 MiB
/live/product-assistant-widget.css0.0 ms1.2 MiB
product-assist-fd-production-g5dydccshmcaapdk.a01.azurefd.net/live/widget.js0.0 ms288.6 KiB
www.skf.com/main.js600.0 s211.8 KiB
www.skf.com/chunk-BYZSVRZD.js600.0 s187.7 KiB
product-assist-fd-production-g5dydccshmcaapdk.a01.azurefd.net/live/loader.js0.0 ms127.0 KiB
www.skf.com/chunk-LVXB4LMD.js600.0 s77.0 KiB
www.skf.com/styles.css600.0 s75.2 KiB
www.skf.com/chunk-OZWCTDGD.js600.0 s67.2 KiB
www.skf.com/chunk-S3ZANW2O.js600.0 s54.3 KiB
cdn.consentmanager.net/delivery/js/cmp_final.min.js?t=2026-4-2286400.0 s101.0 KiB
fonts.skf.com/SKFSans-Regular.woff2600.0 s39.1 KiB
fonts.skf.com/SKFSans-Medium.woff2600.0 s38.9 KiB
fonts.skf.com/SKFSans-Bold.woff2600.0 s38.9 KiB
www.skf.com/chunk-6OZKEQZR.js600.0 s29.6 KiB
www.skf.com/chunk-T6FWHDKT.js600.0 s26.0 KiB
www.skf.com/chunk-AKL5B5BP.js600.0 s24.4 KiB
www.skf.com/chunk-TTNRPTWD.js600.0 s21.1 KiB
www.skf.com/chunk-Y4MA75P7.js600.0 s16.7 KiB
www.skf.com/chunk-J6B57LTZ.js600.0 s16.4 KiB
www.skf.com/chunk-KKWJ36ZH.js600.0 s15.1 KiB
www.skf.com/chunk-BFY7FOR2.js600.0 s14.4 KiB
www.skf.com/chunk-ZQ7KAT6M.js600.0 s12.7 KiB
www.skf.com/chunk-GOT2VPMO.js600.0 s11.0 KiB
www.skf.com/chunk-3IZLFJWG.js600.0 s10.9 KiB
www.skf.com/chunk-CCOYVLKP.js600.0 s10.9 KiB
www.skf.com/chunk-JHXAKMJX.js600.0 s10.8 KiB
/delivery/customdata/bV8xLndfNDYwNDgucl9HRFBSLmxfcHQtYnIu...3600.0 s11.5 KiB
/delivery/customdata/bV8xLndfNDYwNDgucl9HRFBSLmxfZW4uZF81...3600.0 s11.2 KiB
www.skf.com/chunk-BUGPY7MJ.js600.0 s8.8 KiB
www.skf.com/chunk-POFLBTXP.js600.0 s7.5 KiB
www.skf.com/chunk-S4CG6HXT.js600.0 s7.3 KiB
www.skf.com/chunk-55SUGRJX.js600.0 s7.2 KiB
www.skf.com/chunk-6K4VPFS4.js600.0 s6.9 KiB
www.skf.com/chunk-LYDYT6QM.js600.0 s6.7 KiB
www.skf.com/chunk-XHCGUS6H.js600.0 s6.6 KiB
s2.go-mpulse.net/boomerang/C6XT5-C8QK8-S8S64-XK4PU-7B4PK604800.0 s59.4 KiB
www.skf.com/chunk-3U34AB3O.js600.0 s6.2 KiB
www.skf.com/chunk-UIR55EZ6.js600.0 s6.1 KiB
www.skf.com/chunk-X57EEE6Q.js600.0 s6.0 KiB
www.skf.com/chunk-UUGCYXS3.js600.0 s6.0 KiB
www.skf.com/chunk-RYOKNUNZ.js600.0 s6.0 KiB
www.skf.com/chunk-MVKBK7XY.js600.0 s5.8 KiB
www.skf.com/chunk-CIVTOGK6.js600.0 s5.4 KiB
www.skf.com/chunk-VNLBMH5T.js600.0 s5.2 KiB
www.skf.com/chunk-RNTI44TN.js600.0 s4.8 KiB
www.skf.com/chunk-VLV7PYOG.js600.0 s4.7 KiB
www.skf.com/chunk-X63Z6LZR.js600.0 s4.4 KiB
www.skf.com/chunk-S2IBHEFH.js600.0 s4.4 KiB
www.skf.com/chunk-SFY4ZH5E.js600.0 s4.4 KiB
www.skf.com/chunk-ZO5C75DI.js600.0 s4.2 KiB
www.skf.com/chunk-JLQZIMDS.js600.0 s4.1 KiB
www.skf.com/chunk-4NVVPMQT.js600.0 s4.0 KiB
www.skf.com/chunk-JTHNZKWI.js600.0 s4.0 KiB
www.skf.com/chunk-NAA6BERQ.js600.0 s3.9 KiB
www.skf.com/chunk-O4FZSCA6.js600.0 s3.8 KiB
www.skf.com/chunk-UE5TM5HW.js600.0 s3.8 KiB
www.skf.com/chunk-JPFBA2QW.js600.0 s3.7 KiB
www.skf.com/chunk-4M7YX5HN.js600.0 s3.7 KiB
www.skf.com/chunk-6MLTNJP7.js600.0 s3.4 KiB
www.skf.com/chunk-XFXEWTZT.js600.0 s3.4 KiB
www.skf.com/chunk-KHXTYZTX.js600.0 s3.4 KiB
www.skf.com/chunk-VMR2XMTY.js600.0 s3.3 KiB
www.skf.com/chunk-ER4HBASB.js600.0 s3.2 KiB
www.skf.com/chunk-A7UXCVYL.js600.0 s3.2 KiB
www.skf.com/chunk-QLMDKPZB.js600.0 s3.2 KiB
www.skf.com/chunk-I7VOSZQU.js600.0 s3.1 KiB
www.skf.com/chunk-M7XP4IMN.js600.0 s3.1 KiB
www.skf.com/chunk-46KRGYHB.js600.0 s3.1 KiB
www.skf.com/chunk-UNMJVNQS.js600.0 s3.0 KiB
www.skf.com/chunk-JBTK2V56.js600.0 s3.0 KiB
www.skf.com/chunk-AWRJOSDU.js600.0 s3.0 KiB
www.skf.com/chunk-2NHXRFQE.js600.0 s3.0 KiB
www.skf.com/chunk-IAETPZGV.js600.0 s3.0 KiB
www.skf.com/chunk-JAVBAO3X.js600.0 s2.9 KiB
www.skf.com/chunk-5BSHFR47.js600.0 s2.8 KiB
www.skf.com/chunk-JBHGIKJA.js600.0 s2.7 KiB
www.skf.com/chunk-Z7DOVYTN.js600.0 s2.7 KiB
www.skf.com/chunk-NJ5ESIEH.js600.0 s2.7 KiB
www.skf.com/chunk-4BQLUY4N.js600.0 s2.6 KiB
www.skf.com/chunk-RKEWBFTG.js600.0 s2.6 KiB
www.skf.com/chunk-B4JXEUVT.js600.0 s2.4 KiB
www.skf.com/v2/assets/fonts/skf_icons.woff2?sgaq2b604800.0 s20.8 KiB
www.skf.com/chunk-CJM2PXAE.js600.0 s2.2 KiB
www.skf.com/chunk-Y2CGJHVC.js600.0 s2.0 KiB
www.skf.com/chunk-YFLE6N3G.js600.0 s2.0 KiB
www.skf.com/chunk-2K5YX36H.js600.0 s1.8 KiB
www.skf.com/chunk-KVMJFOGO.js600.0 s1.8 KiB
www.skf.com/v2/assets/fonts/SKFDisplay-Bold.woff2604800.0 s16.2 KiB
www.skf.com/chunk-PVYFVL6P.js600.0 s1.7 KiB
www.skf.com/chunk-QWB5W24S.js600.0 s1.6 KiB
www.skf.com/chunk-LWTD4GHU.js600.0 s1.5 KiB
www.skf.com/chunk-SLLSZL6M.js600.0 s1.4 KiB
www.skf.com/chunk-EZNHQ76J.js600.0 s1.4 KiB
www.skf.com/chunk-YNSXIK6Q.js600.0 s1.3 KiB
www.skf.com/chunk-UWE3ETA4.js600.0 s1.3 KiB
www.skf.com/chunk-6GO75BVD.js600.0 s1.2 KiB
www.skf.com/chunk-UN6XPRDY.js600.0 s1.1 KiB
www.skf.com/chunk-M2ATBCO6.js600.0 s1.1 KiB
www.skf.com/chunk-RJ7LCHSE.js600.0 s1.1 KiB
www.skf.com/chunk-WCABR6TI.js600.0 s1.1 KiB
www.skf.com/chunk-R2LW7VK2.js600.0 s1.0 KiB
www.skf.com/chunk-R4NIICOB.js600.0 s1.0 KiB
www.skf.com/v2/assets/img/Skf_logo_white.svg600.0 s1.0 KiB
www.skf.com/chunk-RC3MEXSC.js600.0 s1016 B
www.skf.com/v2/assets/img/close.svg600.0 s965 B
www.skf.com/chunk-CY5FRGFA.js600.0 s956 B
www.skf.com/chunk-5SVLFFFD.js600.0 s922 B
www.skf.com/chunk-GFG6ENJC.js600.0 s908 B
www.skf.com/chunk-KL24IATD.js600.0 s884 B
www.skf.com/chunk-65WUHIQX.js600.0 s884 B
www.skf.com/chunk-2NYN3MNU.js600.0 s849 B
www.skf.com/chunk-P7B3M2U7.js600.0 s813 B
www.skf.com/chunk-KUADHXMQ.js600.0 s808 B
www.skf.com/chunk-NZNX7H76.js600.0 s795 B
www.skf.com/chunk-Y32IXN6K.js600.0 s759 B
www.skf.com/polyfills.js600.0 s757 B
www.skf.com/chunk-YAEJFKIG.js600.0 s748 B
www.skf.com/chunk-MJCA2PI6.js600.0 s739 B
www.skf.com/chunk-ZJ2CLOZ3.js600.0 s730 B
www.skf.com/chunk-A7OHKLEE.js600.0 s720 B
www.skf.com/chunk-N37XLZ4S.js600.0 s710 B
www.skf.com/chunk-OHSXCZOC.js600.0 s699 B
www.skf.com/chunk-I6TMOVOE.js600.0 s694 B
www.skf.com/chunk-72VDU5GJ.js600.0 s686 B
www.skf.com/chunk-MJMWRDHJ.js600.0 s675 B
www.skf.com/chunk-XY3LEYFT.js600.0 s671 B
www.skf.com/chunk-I57LHWGR.js600.0 s661 B
www.skf.com/chunk-BVZ7QND3.js600.0 s660 B
www.skf.com/chunk-NFMC56L5.js600.0 s654 B
www.skf.com/chunk-Y7ERFLPT.js600.0 s651 B
www.skf.com/chunk-EL3L25GV.js600.0 s646 B
www.skf.com/chunk-NSMNRJHI.js600.0 s632 B
www.skf.com/chunk-FS32U4VP.js600.0 s632 B
www.skf.com/chunk-4WJBJGDL.js600.0 s628 B
www.skf.com/chunk-326UAAX3.js600.0 s615 B
www.skf.com/chunk-AKI5QC46.js600.0 s614 B
www.skf.com/chunk-63UCOMKP.js600.0 s614 B
www.skf.com/chunk-7CLI4ZV7.js600.0 s614 B
www.skf.com/chunk-QMG6USZX.js600.0 s611 B
www.skf.com/chunk-HJJPPRSP.js600.0 s610 B
www.skf.com/chunk-W73VQKR6.js600.0 s610 B
www.skf.com/chunk-LYPHVFF4.js600.0 s610 B
www.skf.com/chunk-PYH7CNTR.js600.0 s610 B
www.skf.com/chunk-46NM35EF.js600.0 s589 B
fonts.skf.com/SKFSans-Regular.woff2600.0 s0 B
fonts.skf.com/SKFSans-Medium.woff2600.0 s0 B
fonts.skf.com/SKFSans-Bold.woff2600.0 s0 B
www.skf.com/v2/assets/fonts/skf_icons.woff2?sgaq2b604800.0 s0 B
www.skf.com/v2/assets/fonts/SKFDisplay-Bold.woff2604800.0 s0 B
www.skf.com/styles.css600.0 s0 B

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.

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]
items: [map[duration:1160.3490002441406 label:Time to first byte subpart:timeToFirstByte] map[duration:2950.1519997558594 label:Element render delay subpart:elementRenderDelay]]
lhId: page-0-DIV
nodeLabel: Este site usa cookies - alguns são necessários e outros nos ajudam a melhorar s…
path: 1,HTML,1,BODY,0,DIV,a,#document-fragment,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV
selector: div.cmpboxinner > div#cmpboxcontent > div.cmpboxtxtdiv > div.cmpboxtxt
snippet: <div class="cmpboxtxt cmptxt_txt">

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.

More than 4 preconnect connections were found. These should be used sparingly and only to the most important origins.
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

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
Kullager div.image-area > div#hcitDIV4d24799a-ba2c-4e4e-9d09-cf7a121d1a2a > div.parallax-div > img.parallax-img
/api/public/09f4304c62c3334c/jpeg_fullresolution/09f4304c...46.5 KiB31.4 KiB

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: 2.3 s
URLTime Spent
skf.com/1.3 s
www.skf.com/987 ms
www.skf.com/br0.0 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: 6.6 s 1.3 MiB
URLTransfer SizeEst Savings
/live/product-assistant-widget.css1.2 MiB1.2 MiB
www.skf.com/styles.css74.8 KiB72.2 KiB
@font-face { font-family: 'SKF Office Sans'; src: url('data:font/ttf;base64,AAEAAAASAQAABAAgRFN…29.5 KiB29.4 KiB
.cmpstyleroot,.cmpstyleroot *{--x6pt:6pt;--x7pt:7pt;--x8pt:8pt;--x9pt:9pt;--x10pt:10pt;--x11pt:11pt; … } …13.7 KiB11.5 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.

Estimated savings: 2.9 s 540.0 KiB
URLTransfer SizeEst Savings
product-assist-fd-production-g5dydccshmcaapdk.a01.azurefd.net/live/widget.js280.8 KiB125.7 KiB
www.skf.com/chunk-BYZSVRZD.js187.3 KiB122.0 KiB
www.skf.com/main.js211.4 KiB105.3 KiB
www.skf.com/chunk-LVXB4LMD.js76.5 KiB45.2 KiB
www.skf.com/chunk-S3ZANW2O.js53.9 KiB37.3 KiB
cdn.consentmanager.net/delivery/js/cmp_final.min.js?t=2026-4-22100.5 KiB36.0 KiB
www.skf.com/chunk-6OZKEQZR.js29.2 KiB23.6 KiB
www.skf.com/chunk-OZWCTDGD.js66.8 KiB22.8 KiB
s2.go-mpulse.net/boomerang/C6XT5-C8QK8-S8S64-XK4PU-7B4PK59.3 KiB22.1 KiB

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
Unattributable2.3 s50 ms0.0 ms
s2.go-mpulse.net/boomerang/C6XT5-C8QK8-S8S64-XK4PU-7B4PK2.1 s1.4 s26 ms
www.skf.com/br759 ms218 ms7.9 ms
www.skf.com/chunk-BYZSVRZD.js694 ms681 ms3.9 ms
product-assist-fd-production-g5dydccshmcaapdk.a01.azurefd.net/live/widget.js351 ms193 ms158 ms
www.skf.com/chunk-OZWCTDGD.js281 ms240 ms6.9 ms
/delivery/customdata/bV8xLndfNDYwNDgucl9HRFBSLmxfZW4uZF81...275 ms243 ms7.9 ms
www.skf.com/chunk-6OZKEQZR.js179 ms164 ms0.7 ms
www.skf.com/chunk-LVXB4LMD.js163 ms126 ms1.7 ms
/live/product-assistant-widget.css130 ms0.0 ms0.0 ms
cdn.consentmanager.net/delivery/js/cmp_final.min.js?t=2026-4-22106 ms43 ms63 ms
product-assist-fd-production-g5dydccshmcaapdk.a01.azurefd.net/live/loader.js99 ms40 ms58 ms
/delivery/cmp.php?&cdid=2d39d12de04d&h=https%3A%2F%2Fwww....81 ms72 ms4.7 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 Evaluation3.6 s
Other3.3 s
Style & Layout405 ms
Script Parsing & Compilation405 ms
Garbage Collection193 ms
Parse HTML & CSS181 ms
Rendering100 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
The page has an unload handler in the main frame.Actionable

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer Size
www.skf.com/assets/REMANUFACTURE_9_16.mp410.8 MiB
/live/product-assistant-widget.css1.2 MiB
product-assist-fd-production-g5dydccshmcaapdk.a01.azurefd.net/live/widget.js288.6 KiB
www.skf.com/navigation/pt-br-taxonomy-navigation.json255.5 KiB
www.skf.com/main.js211.8 KiB
www.skf.com/chunk-BYZSVRZD.js187.7 KiB
product-assist-fd-production-g5dydccshmcaapdk.a01.azurefd.net/live/loader.js127.0 KiB
cdn.consentmanager.net/delivery/js/cmp_final.min.js?t=2026-4-22101.0 KiB
www.skf.com/chunk-LVXB4LMD.js77.0 KiB
www.skf.com/styles.css75.2 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
SKF logo div#mobileHeader > div.main-div > a.navbar-brand > img.logo
www.skf.com/v2/assets/img/Skf_logo_white.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
●Forced reflow
●Modern HTTP
●Render blocking requests
●Optimize viewport for mobile
●Minify CSS
●Minify JavaScript
●User Timing marks and measures 3 user timings
●Avoid long main-thread tasks 20 long tasks found
●Network Requests
●Network Round Trip Times 210 ms
●Server Backend Latencies 990 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 40 ms
○INP breakdown
○LCP request discovery
○Avoid non-composited animations
○Avoid large layout shifts
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.

ARIA

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
Resize docked widget div > ai-widget > div#widgetDockRegion > div#widgetDockResizer

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.

○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 with `role="dialog"` or `role="alertdialog"` have accessible names.
●`[aria-hidden="true"]` elements do not contain focusable descendents
●Background and foreground colors have a sufficient contrast ratio
●Document has a `<title>` element
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Links are distinguishable without relying on color.
●Links have a discernible name
●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
●`<video>` elements contain a `<track>` element with `[kind="captions"]`
○`[accesskey]` values are unique
○`button`, `link`, and `menuitem` elements have accessible names
○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
○`<frame>` or `<iframe>` elements have a title
○`<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
○Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
○List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
○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.
○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.
○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
Unload event listeners are deprecated and will be removed.
www.skf.com/main.js line 1, col 48899

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
www.skf.com/main.js
www.skf.com/chunk-BYZSVRZD.js
product-assist-fd-production-g5dydccshmcaapdk.a01.azurefd.net/live/widget.jsproduct-assist-fd-production-g5dydccshmcaapdk.a01.azurefd.net/live/widget.js.map
product-assist-fd-production-g5dydccshmcaapdk.a01.azurefd.net/live/loader.jsproduct-assist-fd-production-g5dydccshmcaapdk.a01.azurefd.net/live/loader.js.map
●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 DOM-based XSS with Trusted Types
●Detected JavaScript libraries
○Redirects HTTP traffic to HTTPS
○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

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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