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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.

55

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
media-d.global.abb/is/content/abbc/ABB%20com%20Engineered%20to%20outrun2062.0 s13.7 MiB
resources.news.e.abb.com/images/2026/3/25/0/AdobeStock_1732449297-large.jpg0.0 ms104.6 KiB
resources.news.e.abb.com/images/2026/3/5/0/India-PR-2-Hero-1280x720-large.jpg0.0 ms104.3 KiB
/images/2026/1/27/1/ABB_HQ_Zurich_-_Switzerland-large.jpg0.0 ms96.5 KiB
/images/2026/3/27/1/65cf2787de88c78c2f4e9f9a_Vargas_webb_...0.0 ms95.5 KiB
resources.news.e.abb.com/images/2026/2/17/1/ABB_Cityport_Entrance_3-large.jpg0.0 ms94.7 KiB
resources.news.e.abb.com/images/2026/4/14/0/Eva_Copper_Mine_Projec_12-large.jpg0.0 ms91.3 KiB
/is/image/abbc/Industries - Food and Beverage grain:3x4-S3592.0 s69.0 KiB
media-d.global.abb/is/image/abbc/MOLM-Vasteras-Factory-Manufacturing:1x1-S3592.0 s67.8 KiB
media-d.global.abb/is/image/abbc/5141_title-3:1x1-S3592.0 s59.0 KiB
assets.adobedtm.com/3f582187d63b/1e168dfae5a1/launch-38768eadc2c2.min.js3600.0 s56.1 KiB
media-d.global.abb/is/image/abbc/Industry%20-%20Future%20of%20energy:3x4-S3592.0 s45.1 KiB
media-d.global.abb/is/image/abbc/BANNER%20OPTION%201-1:1x1-S3592.0 s38.2 KiB
cscript-cdn-irl.abb.com/loader.js0.0 ms28.6 KiB
media-d.global.abb/is/image/abbc/AdobeStock_602912226-Large-2:1x1-S3592.0 s32.6 KiB
/etc.clientlibs/clientlibs/granite/jquery.lc-955570495c35...16369.0 s35.7 KiB
media-d.global.abb/is/image/abbc/AdobeStock_487014222:1x1-S3592.0 s29.1 KiB
media-d.global.abb/is/image/abbc/Industry%20-%20Marine:3x4-S3592.0 s28.5 KiB
/is/image/abbc/Engineer in factory working to check boile...3592.0 s28.0 KiB
media-d.global.abb/is/image/abbc/work-using-cell-phone-typing-computer-1:4x3-S3592.0 s27.7 KiB
media-d.global.abb/is/image/abbc/20230113_Mahlab_ABB%20_ELSE:1x1-S3592.0 s26.4 KiB
media-d.global.abb/is/image/abbc/Industry%20-%20Oil%20and%20gas:3x4-S3592.0 s23.3 KiB
/is/image/abbc/ABB to unveil lab of the future at SLAS 20...3592.0 s23.1 KiB
media-d.global.abb/is/image/abbc/Data%20center%20Industries%20section:3x4-S3592.0 s23.1 KiB
/is/image/abbc/heavy-industry-engineers-stand-in-manufact...3592.0 s21.4 KiB
/is/image/abbc/call-center-operator-in-wireless-headset-1...3592.0 s17.0 KiB
media-d.global.abb/is/image/abbc/group-of-people-shaking-hands-together-1:4x3-S3592.0 s16.6 KiB
media-d.global.abb/is/image/abbc/ABB_SACE_Emax3_closeup-1:3x4-S3592.0 s11.1 KiB
/etc.clientlibs/core/wcm/components/commons/datalayer/acd...41419.0 s11.1 KiB
www.abb.com/akam/13/354e55f121600.0 s8.6 KiB
cscript-cdn-irl.abb.com/templates/2/template.min.css0.0 ms4.3 KiB
/etc.clientlibs/aot/clientlibs/clientlib-base.lc-75974d15...41430.0 s5.7 KiB
/etc.clientlibs/aot/clientlibs/clientlib-base.lc-b540cd71...40943.0 s5.0 KiB
/etc.clientlibs/cq/testandtarget/clientlibs/testandtarget...7287.0 s2.6 KiB
cscript-cdn-irl.abb.com/templates/2/Images/cassie_logo_white.svg0.0 ms1.5 KiB
www.abb.com/.rum/@adobe/helix-rum-js@%5E2/dist/micro.js669.0 s590 B
/etc.clientlibs/core/wcm/components/commons/datalayer/v2/...41419.0 s1019 B
/etc.clientlibs/cq/personalization/clientlib/personalizat...40926.0 s827 B
/etc.clientlibs/core/wcm/components/commons/site/clientli...18758.0 s532 B
/etc.clientlibs/cq/testandtarget/clientlibs/testandtarget...40942.0 s192 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.

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:0.242 source:map[column:1879 line:10 type:source-location url:https://www.abb.com/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fed2d0ce98ada/ReactDOM-73305bfa.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:30.127 source:map[column:266 line:0 type:source-location url:https://www.abb.com/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fed2d0ce98ada/useDeviceInfo-6ee2036d.js urlProvider:network]] map[reflowTime:5.527 source:map[column:8051 line:0 type:source-location url:https://www.abb.com/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fed2d0ce98ada/Carousel-6c735121.js urlProvider:network]] map[reflowTime:1.019 source:map[column:1598 line:0 type:source-location url:https://www.abb.com/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fed2d0ce98ada/Carousel-6c735121.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
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

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.

URLTransfer SizeDuration
/etc.clientlibs/clientlibs/granite/jquery.lc-955570495c35...35.7 KiB150 ms
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...63.4 KiB451 ms
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...1.2 KiB
/etc.clientlibs/cq/personalization/clientlib/personalizat...827 B
/etc.clientlibs/cq/testandtarget/clientlibs/testandtarget...2.6 KiB
/etc.clientlibs/cq/testandtarget/clientlibs/testandtarget...192 B
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...3.6 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...663 B
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...2.1 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...13.3 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...1.3 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...1.8 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...690 B
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...595 B
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...3.5 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...1.0 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...2.2 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...1.3 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...939 B150 ms
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...392 B
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...4.1 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...357 B
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...1.1 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...238 B
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...267 B
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...2.1 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...386 B
/etc.clientlibs/aot/clientlibs/clientlib-base.lc-75974d15...5.7 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...476 B

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: 1.6 s
URLTime Spent
abb.com/858 ms
www.abb.com/780 ms
www.abb.com/global/en0.0 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

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: 0.0 ms 13.3 KiB
URLTransfer SizeEst Savings
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...13.3 KiB13.3 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.

Estimated savings: 450 ms 139.0 KiB
URLTransfer SizeEst Savings
www.googletagmanager.com/gtm.js?id=GTM-P92SZD27162.1 KiB78.3 KiB
assets.adobedtm.com/3f582187d63b/1e168dfae5a1/launch-38768eadc2c2.min.js55.8 KiB37.1 KiB
/etc.clientlibs/clientlibs/granite/jquery.lc-955570495c35...35.6 KiB23.6 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
www.googletagmanager.com/gtm.js?id=GTM-P92SZD27902 ms818 ms40 ms
Unattributable895 ms45 ms0.0 ms
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...519 ms239 ms0.1 ms
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...368 ms175 ms0.5 ms
cscript-cdn-irl.abb.com/loader.js232 ms136 ms48 ms
www.abb.com/akam/13/354e55f1215 ms98 ms3.7 ms
www.abb.com/global/en120 ms9.1 ms4.5 ms
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...72 ms1.8 ms0.1 ms
assets.adobedtm.com/3f582187d63b/1e168dfae5a1/launch-38768eadc2c2.min.js67 ms51 ms14 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 Evaluation1.7 s
Other1.1 s
Style & Layout597 ms
Script Parsing & Compilation145 ms
Parse HTML & CSS51 ms
Garbage Collection31 ms
Rendering15 ms

Minifying CSS files can reduce network payload sizes. Learn how to minify CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 2.4 KiB
URLTransfer SizeEst Savings
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...13.3 KiB2.4 KiB

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
media-d.global.abb/is/content/abbc/ABB%20com%20Engineered%20to%20outrun13.7 MiB
www.googletagmanager.com/gtm.js?id=GTM-P92SZD27162.5 KiB
resources.news.e.abb.com/images/2026/3/25/0/AdobeStock_1732449297-large.jpg104.6 KiB
resources.news.e.abb.com/images/2026/3/5/0/India-PR-2-Hero-1280x720-large.jpg104.3 KiB
/images/2026/1/27/1/ABB_HQ_Zurich_-_Switzerland-large.jpg96.5 KiB
/images/2026/3/27/1/65cf2787de88c78c2f4e9f9a_Vargas_webb_...95.5 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...95.0 KiB
resources.news.e.abb.com/images/2026/2/17/1/ABB_Cityport_Entrance_3-large.jpg94.7 KiB
resources.news.e.abb.com/images/2026/4/14/0/Eva_Copper_Mine_Projec_12-large.jpg91.3 KiB
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...73.0 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
Abb Sydney. Picture James Horan div#tabpanel-0 > a.sc-ljpcOE > section.sc-jxFEPe > img.sc-fVnRjz
media-d.global.abb/is/image/abbc/20230113_Mahlab_ABB%20_ELSE:1x1-S
Data Center IT Specialist and System administrator Talk, Use Tablet Computer, W… div.sc-cTsLrp > article.sc-cxyaiY > div.sc-bnFUNX > img.sc-iKUUEK
media-d.global.abb/is/image/abbc/5141_title-3:1x1-S
Two engineers wearing hard hats and safety jumpsuits stand on an urban rooftop … div.sc-cTsLrp > article.sc-cxyaiY > div.sc-bnFUNX > img.sc-iKUUEK
media-d.global.abb/is/image/abbc/AdobeStock_602912226-Large-2:1x1-S
A man and a woman in an industrial or laboratory setting looking closely at a c… div.sc-cTsLrp > article.sc-cxyaiY > div.sc-bnFUNX > img.sc-iKUUEK
media-d.global.abb/is/image/abbc/BANNER%20OPTION%201-1:1x1-S
Serious call center operator in wireless headset talking with customer, woman i… div.sc-knSEDm > article.sc-dYYaKM > figure.sc-eVedOh > img.sc-gBswnW
/is/image/abbc/call-center-operator-in-wireless-headset-1...
work using texting cell phone typing computer.chatting on mobile,laptop contact… div.sc-knSEDm > article.sc-dYYaKM > figure.sc-eVedOh > img.sc-gBswnW
media-d.global.abb/is/image/abbc/work-using-cell-phone-typing-computer-1:4x3-S
Multiracial group of young creative people in smart casual wear discussing busi… div.sc-knSEDm > article.sc-dYYaKM > figure.sc-eVedOh > img.sc-gBswnW
media-d.global.abb/is/image/abbc/group-of-people-shaking-hands-together-1:4x3-S

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

●Max Potential First Input Delay 100 ms
●Layout shift culprits
●Optimize DOM size
●Font display
●Improve image delivery
●LCP breakdown
●Modern HTTP
●Optimize viewport for mobile
●Minify JavaScript
●Avoid long main-thread tasks 11 long tasks found
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 40 ms
●Server Backend Latencies 1,010 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 60 ms
○INP breakdown
○LCP request discovery
○User Timing marks and measures
○Avoid non-composited animations
○Avoid large layout shifts
91

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

ARIA dialog elements without accessible names may prevent screen readers users from discerning the purpose of these elements. Learn how to make ARIA dialog elements more accessible.

Why this matters

Informational: a Permissions-Policy directive showing feature -> allowed origins.

Source: MDN Permissions-Policy

Failing Elements
Cookie settings Our website uses cookies which are necessary for running th… body#hometemplate-707ba85f8e > div#cassie-widget > div.cassie-cookie-module > div.cassie-cookie-modal

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.

Navigation

Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Can't find what you're looking for? article.sc-dYYaKM > div.sc-hcmsOB > div.sc-hxyzrr > h5.sc-gggpLg

These are opportunities to improve keyboard navigation in your application.

Names and labels

Labels ensure that form controls are announced properly by assistive technologies, like screen readers. Learn more about form element labels.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div#cassie_consent_tab_cookies > div#cassie_cookie_modal_group_4 > div#cassie_cookie_group_header_4 > input#cassie_cookie_group_toggle_switch_slider_4 div#cassie_consent_tab_cookies > div#cassie_cookie_modal_group_4 > div#cassie_cookie_group_header_4 > input#cassie_cookie_group_toggle_switch_slider_4
div#cassie_consent_tab_cookies > div#cassie_cookie_modal_group_10 > div#cassie_cookie_group_header_10 > input#cassie_cookie_group_toggle_switch_slider_10 div#cassie_consent_tab_cookies > div#cassie_cookie_modal_group_10 > div#cassie_cookie_group_header_10 > input#cassie_cookie_group_toggle_switch_slider_10
div#cassie_consent_tab_cookies > div#cassie_cookie_modal_group_11 > div#cassie_cookie_group_header_11 > input#cassie_cookie_group_toggle_switch_slider_11 div#cassie_consent_tab_cookies > div#cassie_cookie_modal_group_11 > div#cassie_cookie_group_header_11 > input#cassie_cookie_group_toggle_switch_slider_11

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.

Visible text labels that do not match the accessible name can result in a confusing experience for screen reader users. Learn more about accessible names.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Explore all industries section.sc-lmOKtx > div.sc-pRce > div > a.sc-fbNZEX
○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.
●`button`, `link`, and `menuitem` elements have accessible names
●ARIA attributes are used as specified for the element's role
●`[aria-hidden="true"]` elements do not contain focusable descendents
●Elements use only permitted ARIA attributes
●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
●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
●Touch targets have sufficient size and spacing.
●Document has a main landmark.
●Deprecated ARIA roles were not used
●ARIA IDs are unique
●`<video>` elements contain a `<track>` element with `[kind="captions"]`
○`[accesskey]` values are unique
○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
○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
○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.
○`[lang]` attributes have a valid value
○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.
96

Best Practices

General

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
/ui/add22f30dde0fe68f8c5a4f88dc3baa3c5b4267bd237a1a6a55fe...
Error loading image: [object Event]
www.abb.com/global/:3x4-s
Failed to load resource: the server responded with a status of 404 ()
●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 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
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
○Use a strong HSTS policy
○Mitigate clickjacking with XFO or CSP
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

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
global.abb/group/en/about/engineered-to-outrunLearn 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
GROUP PRESS RELEASE ABB grinding technology to strengthen future metals supply… section.sc-zGZpD > div.sc-dYCpQa > div.sc-bRuaPG > a.sc-dprnkz
GROUP PRESS RELEASE ABB and Syre to explore technologies for industrial-scale … section.sc-zGZpD > div.sc-dYCpQa > div.sc-bRuaPG > a.sc-dprnkz
GROUP PRESS RELEASE ABB and VoltaGrid extend collaboration on data center powe… section.sc-zGZpD > div.sc-dYCpQa > div.sc-bRuaPG > a.sc-dprnkz
GROUP PRESS RELEASE ABB shareholders approve all proposals at Annual General M… section.sc-zGZpD > div.sc-dYCpQa > div.sc-bRuaPG > a.sc-dprnkz
GROUP PRESS RELEASE ABB invests ~$75 million in India to expand manufacturing … section.sc-zGZpD > div.sc-dYCpQa > div.sc-bRuaPG > a.sc-dprnkz
GROUP PRESS RELEASE Notice of ABB’s Annual General Meeting on March 19, 2026 … section.sc-zGZpD > div.sc-dYCpQa > div.sc-bRuaPG > a.sc-dprnkz
The SACE Emax 3 div.sc-icoroQ > ul.sc-cKhha-d > li.sc-hgRTdO > a.sc-bOKIPb
ABB Genix™ Industrial IoT and AI Suite div.sc-icoroQ > ul.sc-cKhha-d > li.sc-hgRTdO > a.sc-bOKIPb
GoFa with Ultra Accuracy div.sc-icoroQ > ul.sc-cKhha-d > li.sc-hgRTdO > a.sc-bOKIPb
Azipod® electric propulsion div.sc-icoroQ > ul.sc-cKhha-d > li.sc-hgRTdO > a.sc-bOKIPb
ABB Ability™ Digital Powertrain div.sc-icoroQ > ul.sc-cKhha-d > li.sc-hgRTdO > a.sc-bOKIPb

If your robots.txt file is malformed, crawlers may not be able to understand how you want your website to be crawled or indexed. Learn more about robots.txt.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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
●Document has a meta description
●Page has successful HTTP status code
●Image elements have `[alt]` attributes
●Document has a valid `hreflang`
●Document has a valid `rel=canonical`

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