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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.

RequestCache TTLTransfer Size
/content/dam/enel-com/immagini/elevator-pitch_2880x1700/a...43200.0 s409.5 KiB
assets.adobedtm.com/launch-ENb531171bce964c769bfc582af650ee4a.js3600.0 s91.7 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s72.5 KiB
/content/dam/enel-com/immagini/master-media_2400x1160/en-...43200.0 s61.8 KiB
/content/dam/enel-com/immagini/content-box_768x600/res4af...43200.0 s56.4 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s49.4 KiB
/content/dam/enel-com/immagini/master-media_2400x1160/tal...43200.0 s48.1 KiB
/content/dam/enel-com/immagini/content-box_768x600/cattan...43200.0 s48.0 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s46.1 KiB
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle/r...86400.0 s54.4 KiB
/content/dam/enel-com/immagini/content-box_768x600/thumb-...43200.0 s42.0 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s40.4 KiB
/content/dam/enel-com/immagini/doorways_1368x1560/about-u...43200.0 s39.8 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s39.6 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s39.1 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s38.2 KiB
/content/dam/enel-com/immagini/master-media_2400x1160/col...43200.0 s36.7 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s36.5 KiB
/content/dam/enel-com/immagini/content-box_768x600/panchi...43200.0 s35.5 KiB
/notice?domain=enel.com&c=teconsent&js=nj&noticeType=bb&g...3600.0 s21.9 KiB
/content/dam/enel-com/immagini/doorways_1368x1560/about-u...43200.0 s29.1 KiB
/content/dam/enel-com/immagini/master-media_2400x1160/wor...43200.0 s24.6 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s22.0 KiB
/content/dam/enel-com/immagini/master-media_2400x1160/en-...43200.0 s21.3 KiB
/content/dam/enel-com/immagini/content-box_768x600/res4af...43200.0 s19.5 KiB
/content/dam/enel-com/immagini/content-box_768x600/cattan...43200.0 s16.2 KiB
/content/dam/enel-com/immagini/master-media_2400x1160/tal...43200.0 s16.1 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s15.3 KiB
/content/dam/enel-com/immagini/content-box_768x600/thumb-...43200.0 s15.3 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s14.8 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s14.7 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s13.3 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s13.2 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s13.1 KiB
/content/dam/enel-com/immagini/master-media_2400x1160/col...43200.0 s12.7 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...43200.0 s12.3 KiB
/content/dam/enel-com/immagini/content-box_768x600/panchi...43200.0 s12.0 KiB
/content/dam/enel-com/immagini/master-media_2400x1160/wor...43200.0 s8.7 KiB
www.enel.com/content/dam/enel-com/immagini/enel-logo/logo-solido.svg43200.0 s8.7 KiB
www.enel.com/content/dam/enel-com/immagini/enel-logo/logo-enel-white.svg43200.0 s5.1 KiB
www.enel.com/.rum/@adobe/helix-rum-js@%5E2/dist/micro.js3600.0 s910 B
/58373ae8f4f6/1c927e7a32ab/83adb7e0bcf9/RCdcc61a84fcd84b0...3600.0 s852 B
/58373ae8f4f6/1c927e7a32ab/83adb7e0bcf9/RC1608e7ad1cd541d...3600.0 s841 B
www.enel.com/content/dam/enel-com/immagini/loghi-e-icone/vision_48px.svg43200.0 s1.1 KiB
/58373ae8f4f6/1c927e7a32ab/83adb7e0bcf9/RC25aeefff7bdd4f8...3600.0 s646 B
/58373ae8f4f6/1c927e7a32ab/83adb7e0bcf9/RCa26ae5993dee483...3600.0 s631 B
www.enel.com/content/dam/enel-com/immagini/loghi-e-icone/storia_48px.svg43200.0 s971 B
www.enel.com/content/dam/enel-com/immagini/loghi-e-icone/mappa_48px.svg43200.0 s938 B
/58373ae8f4f6/1c927e7a32ab/83adb7e0bcf9/RCe768bf6d8eff4ea...3600.0 s563 B
/58373ae8f4f6/1c927e7a32ab/83adb7e0bcf9/RC7a8b19af09fc45a...3600.0 s542 B
/58373ae8f4f6/1c927e7a32ab/83adb7e0bcf9/RC6220241d3fa840e...3600.0 s530 B
www.enel.com/content/dam/enel-com/immagini/loghi-e-icone/gruppo-enel_48px.svg43200.0 s788 B
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle/r...86400.0 s296 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:9.832 source:map[column:12437 line:1 type:source-location url:https://consent.trustarc.com/notice?domain=enel.com&c=teconsent&js=nj&noticeType=bb&gtm=1&text=true&language=en 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:12.114 source:map[column:25352 line:57 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:0.273 source:map[column:5534 line:57 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:0.178 source:map[column:4586 line:57 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:0.21 source:map[column:1840 line:57 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:0.338 source:map[column:39755 line:1020 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:48.193 source:map[column:774469 line:1020 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:3.12 source:map[column:2603 line:41 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:0.671 source:map[column:921 line:77 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:0.915 source:map[column:1074 line:77 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:1.172 source:map[column:1236 line:77 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:4.82 source:map[column:50790 line:3 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:1.524 source:map[column:164691 line:71 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:11.666 source:map[column:835622 line:1020 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:0.388 source:map[column:419793 line:1020 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:21.609 source:map[column:4719 line:57 type:source-location url:https://www.enel.com/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.lc-81b320f9fffb178b64202b1365875526-lc.min.js urlProvider:network]] map[reflowTime:0.175 source:map[column:26085 line:0 type:source-location url:https://consent.trustarc.com/notice?domain=enel.com&c=teconsent&js=nj&noticeType=bb&gtm=1&text=true&language=en urlProvider:network]] map[reflowTime:0.139 source:map[column:25972 line:0 type:source-location url:https://consent.trustarc.com/notice?domain=enel.com&c=teconsent&js=nj&noticeType=bb&gtm=1&text=true&language=en urlProvider:network]] map[reflowTime:9.832 source:map[column:12095 line:0 type:source-location url:https://consent.trustarc.com/notice?domain=enel.com&c=teconsent&js=nj&noticeType=bb&gtm=1&text=true&language=en urlProvider:network]]]

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
Aerial view of the Taccani hydroelectric power plant and the Adda River, Tezzo … a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...72.4 KiB55.7 KiB
en-idpd_2400x1160 a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/master-media_2400x1160/en-...61.7 KiB45.0 KiB
res4africa-high-course-renewable-energy_1_768x600 a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/content-box_768x600/res4af...56.3 KiB39.6 KiB
Aerial view of Rock Creek Wind Farm a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...49.3 KiB32.6 KiB
talent-scout-colombia_1_2400x1160 a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/master-media_2400x1160/tal...48.1 KiB31.4 KiB
cattaneo-enel-brasile-bahia_768x600 a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/content-box_768x600/cattan...48.0 KiB31.3 KiB
Leadership Summit event, UN Global Compact 2024, interior glass building, New Y… a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...46.0 KiB29.3 KiB
Background blue water on which white graphic with concentric lines is overlaid.… a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/content-box_768x600/thumb-...41.9 KiB25.2 KiB
windesign-ad-premiazione_2400x1160c a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...40.3 KiB23.6 KiB
castello_brindisi_1_2400x1160 a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...39.5 KiB22.8 KiB
enel-innothon-2025_2400x1160 a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...39.0 KiB22.3 KiB
cmd-2026-cattaneo-enel_2400x1160 a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...38.1 KiB21.4 KiB
colombia-thumbnail_768x600 a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/master-media_2400x1160/col...36.6 KiB19.9 KiB
armani-enel-enlit-europe_1_2400x1160 a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...36.5 KiB19.8 KiB
Image of a red bench in a modern courtyard. In the center are words NOT ANOTHER… a.link > div.media > figure.image > img
/content/dam/enel-com/immagini/content-box_768x600/panchi...35.4 KiB18.7 KiB

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-11-IMG
nodeLabel: cmd-2026-cattaneo-enel_2400x1160
path: 1,HTML,1,BODY,0,DIV,2,MAIN,2,SECTION,1,DIV,0,DIV,2,DIV,0,DIV,0,ARTICLE,0,A,0,DIV,0,FIGURE,0,IMG
selector: a.link > div.media > figure.image > img
snippet: <img data-v-2ee48229="" src="https://www.enel.com/content/dam/enel-com/immagini/master-azienda_2400x116…" srcset="/content/dam/enel-com/immagini/master-azienda_2400x1160/storie_2400x1160/c…" alt="cmd-2026-cattaneo-enel_2400x1160" data-module-id="EXTRA-E0M2">

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
assets.adobedtm.com/launch-ENb531171bce964c769bfc582af650ee4a.js91.7 KiB2.1 s
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.l...137.1 KiB2.1 s

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.

URLEst Savings
consent.trustarc.com/get?name=roobertenel-regular.woff215 ms
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle/r...10 ms
consent.trustarc.com/get?name=roobertenel-bold.woff210 ms
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle/r...5.0 ms
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle/r...5.0 ms

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

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.

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: 774 ms
URLTime Spent
enelcar.bond/774 ms
www.enel.com/0.0 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: 1.1 s 133.0 KiB
URLTransfer SizeEst Savings
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.l...136.9 KiB133.0 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: 3.5 s 684.4 KiB
URLTransfer SizeEst Savings
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.l...837.6 KiB662.8 KiB
consent.trustarc.com/asset/notice.js/v/b6e71c130.3 KiB21.6 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
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.l...15.6 s4.1 s411 ms
www.enel.com/9.9 s9.1 ms5.0 ms
Unattributable2.0 s6.6 ms0.0 ms
assets.adobedtm.com/launch-ENb531171bce964c769bfc582af650ee4a.js812 ms702 ms73 ms
/etc.clientlibs/clientlibs/granite/jquery/granite/csrf.lc...420 ms7.0 ms0.7 ms
consent.trustarc.com/asset/notice.js/v/b6e71c1310 ms216 ms10 ms
/notice?domain=enel.com&c=teconsent&js=nj&noticeType=bb&g...225 ms77 ms8.2 ms
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.l...106 ms0.0 ms0.0 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
Other10.8 s
Style & Layout6.6 s
Rendering5.6 s
Script Evaluation5.2 s
Script Parsing & Compilation527 ms
Garbage Collection378 ms
Parse HTML & CSS303 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 41.0 KiB
URLTransfer SizeEst Savings
assets.adobedtm.com/launch-ENb531171bce964c769bfc582af650ee4a.js91.5 KiB41.0 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
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.l...847.2 KiB
/content/dam/enel-com/immagini/elevator-pitch_2880x1700/a...409.5 KiB
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.l...137.1 KiB
assets.adobedtm.com/launch-ENb531171bce964c769bfc582af650ee4a.js91.7 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...72.5 KiB
/content/dam/enel-com/immagini/master-media_2400x1160/en-...61.8 KiB
/content/dam/enel-com/immagini/content-box_768x600/res4af...56.4 KiB
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle/r...54.4 KiB
www.enel.com/51.0 KiB
/content/dam/enel-com/immagini/master-azienda_2400x1160/s...49.4 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
en div.item > div.LanguagePopover > a.trigger > img.icon
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle/r...
Book icon, our story - Enel Group div.row > div.FocusModuleItem > figure.icon > img.image
www.enel.com/content/dam/enel-com/immagini/loghi-e-icone/storia_48px.svg
Target icon - Vision - Enel Group div.row > div.FocusModuleItem > figure.icon > img.image
www.enel.com/content/dam/enel-com/immagini/loghi-e-icone/vision_48px.svg
Locations icon, wher we are - Enel Group div.row > div.FocusModuleItem > figure.icon > img.image
www.enel.com/content/dam/enel-com/immagini/loghi-e-icone/mappa_48px.svg
Double circle icon - Enel Group div.row > div.FocusModuleItem > figure.icon > img.image
www.enel.com/content/dam/enel-com/immagini/loghi-e-icone/gruppo-enel_48px.svg
Enel Logo div.logo > a.logo-link > h1.logo-title > img.logo-img
www.enel.com/content/dam/enel-com/immagini/enel-logo/logo-solido.svg
div.mobile-navigation > nav#main-navigation-menu-mobile > a.megamenu-toggler > img.caret div.mobile-navigation > nav#main-navigation-menu-mobile > a.megamenu-toggler > img.caret
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle/r...

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

●Layout shift culprits
●Optimize DOM size
●LCP breakdown
●Modern HTTP
●Optimize viewport for mobile
●Minify CSS
●Avoid long main-thread tasks 13 long tasks found
●Avoid non-composited animations 38 animated elements found
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 30 ms
●Server Backend Latencies 590 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 0 ms
○INP breakdown
○User Timing marks and measures
○Avoid large layout shifts
92

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
Growth, productivity, and an improved risk/return profile: Enel’s new Strategic… main#main > section.ContentBox > div > div.wrapper

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
Settings div#truste-consent-content > div#truste-consent-buttons > button#truste-show-consent > span

These are opportunities to improve the legibility of your content.

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
Accessibilty div.footer-menu > nav.menu > div.item > a
English nav.menu > div.item > div.LanguagePopover > a.trigger
○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
●Document has a `<title>` element
●`<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
●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
●ARIA IDs are unique
○`[accesskey]` values are unique
○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
○ARIA input fields have accessible names
○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
○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
○Links are distinguishable without relying on color.
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Uses ARIA roles only on compatible elements
○Image elements do not have `[alt]` attributes that are redundant text.
○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.
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
CSS appearance value slider-vertical is not standardized and will be removed.
www.enel.com/

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.

Description
TypeError: window.clarity is not a function at <anonymous>:2:8 at https://assets.adobedtm.com/launch-ENb531171bce964c769bfc582af650ee4a.js:5745:14 at new Promise (<anonymous>) at _satellite.<computed> (https://assets.adobedtm.com/launch-ENb531171bce964c769bfc582af650ee4a.js:5743:7) at <anonymous>:1:26 at WriteStream._insertCursor (https://assets.adobedtm.com/launch-ENb531171bce964c769bfc582af650ee4a.js:4321:26) at WriteStream._writeScriptToken (https://assets.adobedtm.com/launch-ENb531171bce964c769bfc582af650ee4a.js:4394:13) at WriteStream._handleScriptToken (https://assets.adobedtm.com/launch-ENb531171bce964c769bfc582af650ee4a.js:4229:11) at WriteStream._writeImpl (https://assets.adobedtm.com/launch-ENb531171bce964c769bfc582af650ee4a.js:4052:13) at WriteStream.write (https://assets.adobedtm.com/launch-ENb531171bce964c769bfc582af650ee4a.js:4002:15)

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
/etc.clientlibs/enel-common/clientlibs/clientlib-bundle.l...
assets.adobedtm.com/launch-ENb531171bce964c769bfc582af650ee4a.jsassets.adobedtm.com/postscribe.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 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
100

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.

○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 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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