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· 0 checks — Desktop 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.

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
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s169.2 KiB
/public/latest-news/aotm6a/picture315426417/alternates/LA...1077.0 s157.4 KiB
/public/latest-news/piyscs/picture315483804/alternates/LA...21037.0 s171.4 KiB
/r?url=https%3A%2F%2Fad.adsrvr.org%2Fsg2o27m%2Fc9srdbt%2F...0.0 ms78.6 KiB
/public/latest-news/xtuwk6/picture262674122/alternates/LA...33105.0 s137.1 KiB
c.amazon-adsystem.com/aax2/apstag.js3600.0 s91.0 KiB
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s67.0 KiB
/public/latest-news/w4k4fo/picture312216746/alternates/LA...43164.0 s122.7 KiB
/awMxVZLpNW6K6EG6WC5S8oR_a68/gpt_and_prebid/config.js900.0 s66.2 KiB
/pagead/managed/js/activeview/current/ufs_web_display.js3600.0 s73.1 KiB
/public/latest-news/886a8v/picture315028693/alternates/LA...43164.0 s114.3 KiB
/public/latest-news/iz9xjb/picture315474593/alternates/LA...4167.0 s71.7 KiB
sdk.mrf.io/statics/marfeel-sdk.js?id=53151800.0 s60.0 KiB
/public/latest-news/lhekvr/picture315473117/alternates/LA...4167.0 s53.0 KiB
cdn.amplitude.com/engagement-browser/prod/split/index.js60.0 s40.1 KiB
/public/latest-news/fnymgv/picture315257037/alternates/LA...21038.0 s56.2 KiB
www.kansascity.com/zloysinb-o/kansascitycore.js263.0 s36.7 KiB
/public/incoming/46hor0/picture315489893/alternates/LANDS...43177.0 s69.9 KiB
/public/latest-news/glgq98/picture315479840/alternates/LA...4167.0 s43.9 KiB
/public/incoming/rd3wnl/picture315489470/alternates/LANDS...40987.0 s66.4 KiB
js.matheranalytics.com/static/ltm/ma12095/all/33/ml.br.js3600.0 s42.4 KiB
/public/incoming/qyx824/picture315486871/alternates/LANDS...28948.0 s56.6 KiB
ml314.com/tag.aspx?2233600.0 s38.8 KiB
01.cdn.mediatradecraft.com/kansascity/main/main.js?template=homepage7800.0 s40.6 KiB
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s25.9 KiB
/public/latest-news/gl3m04/picture315090011/alternates/LA...21041.0 s39.3 KiB
www.kansascity.com/wps/build/webpack/videoLoader.bundle-eb4e8a1ef2763bfaff10.js139178.0 s64.6 KiB
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s21.6 KiB
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s20.9 KiB
www.kansascity.com/wps/build/webpack/css/mi-styles.c759c39774ad6d697a46.css112065.0 s53.6 KiB
sdk.mrf.io/statics/47bd3e88b6bda15c34ce.js3600.0 s24.4 KiB
d-code.liadm.com/did-008d.min.js86400.0 s47.2 KiB
b-code.liadm.com/a-01e486400.0 s46.0 KiB
/public/latest-news/bmfy22/picture315478391/alternates/LA...37124.0 s33.6 KiB
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s16.5 KiB
www.google-analytics.com/analytics.js7200.0 s20.9 KiB
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s13.5 KiB
cmp.osano.com/16A0CuTCdGtXx3A1C/ec63760f-40b0-4c2c-b76a-e71dda7f148e/osano-ui.js86400.0 s31.0 KiB
www.kansascity.com/zloysinb-o/escenic.prod1776777962178.js565766.0 s75.5 KiB
tags.srv.stackadapt.com/events.js5.0 s7.7 KiB
www.kansascity.com/zloysinb-o/hanealneh.prod1776777962178.js565767.0 s66.6 KiB
www.kansascity.com/zloysinb-o/engagement.prod1776777962178.js565766.0 s62.5 KiB
www.kansascity.com/zloysinb-o/dahdeyah.prod1776777962178.js565764.0 s56.6 KiB
www.kansascity.com/akam/13/14097b0521600.0 s9.5 KiB
sdk.mrf.io/statics/compass-multimedia-sdk.js?version=22603600.0 s4.3 KiB
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s3.4 KiB
www.kansascity.com/wps/source/images/mcm-logo.png117697.0 s9.0 KiB
www.kansascity.com/static/hi/experiences/index.js264.0 s3.0 KiB
sb.scorecardresearch.com/beacon.js86400.0 s6.7 KiB
www.kansascity.com/zloysinb-o/danelei.prod1776777962178.js565766.0 s23.8 KiB
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s2.4 KiB
www.kansascity.com/static/hi/experiences/lib/Zones.js264.0 s2.3 KiB
01.cdn.mediatradecraft.com/kansascity/main/main.css7800.0 s2.8 KiB
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s1.9 KiB
/1563813/trc/3/json?tim=1776817942747&data=%7B%22id%22%3A...0.0 ms1.8 KiB
www.kansascity.com/static/hi/experiences/lib/Elements.js264.0 s1.8 KiB
/static/hi/2024/mcc-big-4-editorial/reality-check/images/...263.0 s1.8 KiB
www.kansascity.com/zloysinb-o/netdale.prod1776777962178.js565766.0 s15.4 KiB
rules.quantcount.com/rules-p-6QaZPu1ys1b0b.js3600.0 s2.0 KiB
cdn.keywee.co/dist/analytics-1.5.12.min.js259200.0 s7.9 KiB
dcdn.adnxs-simple.com/renderer-content/39cbc8a2-a1e3-4195-9b55-b8a3638448ba86400.0 s3.5 KiB
www.kansascity.com/zloysinb-o/zones.prod1776777962178.js565767.0 s11.1 KiB
www.kansascity.com/zloysinb-o/quarantine.prod1776777962178.js565767.0 s9.0 KiB
config.aps.amazon-adsystem.com/configs/10f892c4-b76d-4f37-b1fd-0ae5d74780b53600.0 s1.3 KiB
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s1.0 KiB
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s1014 B
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s971 B
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s947 B
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s916 B
/enduser/pie/?pie=22&rtb=dD0xJmlpZD1kMWNiOTNiYi0yNDc1LTQy...0.0 ms882 B
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...60.0 s677 B
www.kansascity.com/wps/build/images/newLogos/kansascity/logo.svg255530.0 s2.8 KiB
sli.kansascity.com/baker?dtstmp=17768179430490.0 ms541 B
sli.kansascity.com/baker?dtstmp=17768179428370.0 ms539 B
www.kansascity.com/zloysinb-o/performance.prod1776777962178.js565767.0 s4.7 KiB
www.kansascity.com/zloysinb-o/woldoni.prod1776777962178.js565766.0 s4.6 KiB
www.kansascity.com/zloysinb-o/domkut.prod1776777962178.js565766.0 s4.5 KiB
www.kansascity.com/zloysinb-o/suggestedContent.prod1776777962178.js565766.0 s3.6 KiB
/usersync/liveintent/?cb=%2F%2Fi.liadm.com%2Fs%2F35004%3F...0.0 ms405 B
www.kansascity.com/zloysinb-o/cnx.prod1776777962178.js565767.0 s3.2 KiB
www.kansascity.com/zloysinb-o/acuity.prod1776777962178.js566174.0 s2.7 KiB
www.kansascity.com/zloysinb-o/naeliya.prod1776777962178.js565766.0 s2.7 KiB
www.kansascity.com/zloysinb-o/modals.prod1776777962178.js565764.0 s2.2 KiB
www.kansascity.com/zloysinb-o/marfeel.prod1776777962178.js565764.0 s2.2 KiB
/i?e=pv&page=ml&hier=_HomePage&ptype=homepage&pubname=The...0.0 ms245 B
/i?e=ue&ue_na=Ad%20Impression&ue_px=eyJlYWlkIjoiNzAxNTMwN...0.0 ms245 B
/i?e=ue&ue_na=Ad%20Impression&ue_px=eyJlYWlkIjoiNzAxNzgyM...0.0 ms245 B
/i?e=ue&ue_na=Ad%20Impression&ue_px=eyJlYWlkIjoiNzAxNzgyM...0.0 ms245 B
cdn.keywee.co/config/858.js86400.0 s539 B
/zloysinb-o/pdp.gif?i=eyJpZCI6Im1pX3RpX2tzY19kYmNiYTA2My1...86400.0 s474 B
www.kansascity.com/zloysinb-o/iterate.prod1776777962178.js565764.0 s1.3 KiB
/track/cmf/generic?ttd_pid=liveintent&ttd_tpi=1&gdpr=0&us...0.0 ms149 B
www.kansascity.com/zloysinb-o/pageLoad.prod1776777962178.js566178.0 s943 B
/pagead/managed/js/activeview/current/ufs_web_display.js3600.0 s0 B
/pagead/managed/js/activeview/current/ufs_web_display.js3600.0 s0 B
rules.quantcount.com/rules-p-6QaZPu1ys1b0b.js3600.0 s0 B

Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]
items: [map[node:map[type:text value:Total] score:0.003061] map[node:map[boundingRect:map[bottom:523 height:74 left:125 right:699 top:449 width:574] lhId:page-15-A nodeLabel:New Royals stadium footprint won’t be in Washington Square Park, councilman says path:1,HTML,1,BODY,4,SECTION,0,DIV,0,ARTICLE,0,DIV,1,H3,0,A selector:article#primary-content > div.package > h3.h1 > a snippet:<a href="https://www.kansascity.com/sports/mlb/kansas-city-royals/article315484922.…" data-tb-link="" data-tb-title="" data-mrf-link="https://www.kansascity.com/sports/mlb/kansas-city-royals/article315484922.…" cmp-ltrk="FocalImage" cmp-ltrk-idx="1" mrfobservableid="bb2744ef-e486-4a1f-98f0-65b5f6ce4c1c"> type:node] score:0.002799 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:944 height:401 left:125 right:838 top:543 width:713] lhId:page-13-IMG nodeLabel:New Royals stadium footprint won’t be in Washington Square Park, councilman says path:1,HTML,1,BODY,4,SECTION,0,DIV,0,ARTICLE,1,FIGURE,0,A,0,IMG selector:article#primary-content > figure > a.image-link-macro > img snippet:<img src="https://www.kansascity.com/public/latest-news/xtuwk6/picture262674122/alte…" width="350" height="200" alt="New Royals stadium footprint won’t be in Washington Square Park, councilma…" loading="lazy" data-tb-thumbnail=""> type:node]] map[cause:Web font extra:map[type:url value:https://fonts.gstatic.com/s/notosans/v42/o-0bIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjc5a7du3mhPy0.woff2]] map[cause:Web font extra:map[type:url value:https://fonts.gstatic.com/s/notoserif/v33/ga6daw1J5X9T9RW6j9bNVls-hfgvz8JcMofYTYf6D33WsNFH.woff2]]] type:subitems]] map[node:map[boundingRect:map[bottom:1442 height:352 left:492 right:858 top:1090 width:367] lhId:page-14-ARTICLE nodeLabel:LOCAL We have an opening date for the Riverfront KC Streetcar extension. Here’s… path:1,HTML,1,BODY,4,SECTION,5,DIV,0,ARTICLE selector:body.wps-body-main > section.grid > div.region > article#secondary-story-2 snippet:<article id="secondary-story-2" class="card " data-tb-region-item=""> type:node] score:0.000262 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:944 height:401 left:125 right:838 top:543 width:713] lhId:page-13-IMG nodeLabel:New Royals stadium footprint won’t be in Washington Square Park, councilman says path:1,HTML,1,BODY,4,SECTION,0,DIV,0,ARTICLE,1,FIGURE,0,A,0,IMG selector:article#primary-content > figure > a.image-link-macro > img snippet:<img src="https://www.kansascity.com/public/latest-news/xtuwk6/picture262674122/alte…" width="350" height="200" alt="New Royals stadium footprint won’t be in Washington Square Park, councilma…" loading="lazy" data-tb-thumbnail=""> type:node]]] type:subitems]]]
headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]
items: [map[node:map[type:text value:Total] score:0.151242] map[node:map[boundingRect:map[bottom:360 height:250 left:0 right:1350 top:110 width:1350] lhId:page-20-DIV nodeLabel:Advertisement path:1,HTML,1,BODY,3,DIV,1,DIV,0,DIV,0,DIV selector:div#zoneContainer > div#zone-el-2 > div.htlad-web-top-banner > div#web-top-banner snippet:<div id="web-top-banner" data-cmd="true" data-unit="xeaazr" aria-label="Advertisement" role="region" class="ad__align ad__slot ad__h90--inner" style="" data-google-query-id="CMzS2tSagJQDFVWCfAYdeQ8mAw"> type:node] score:0.095449] map[node:map[boundingRect:map[bottom:1442 height:352 left:492 right:858 top:1090 width:367] lhId:page-14-ARTICLE nodeLabel:LOCAL We have an opening date for the Riverfront KC Streetcar extension. Here’s… path:1,HTML,1,BODY,4,SECTION,5,DIV,0,ARTICLE selector:body.wps-body-main > section.grid > div.region > article#secondary-story-2 snippet:<article id="secondary-story-2" class="card " data-tb-region-item=""> type:node] score:0.041464 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:1294 height:184 left:512 right:838 top:1110 width:327] lhId:page-3-IMG nodeLabel:We have an opening date for the Riverfront KC Streetcar extension. Here’s when path:1,HTML,1,BODY,4,SECTION,5,DIV,0,ARTICLE,0,FIGURE,0,A,0,IMG selector:article#secondary-story-2 > figure > a.image-link-macro > img snippet:<img src="https://www.kansascity.com/public/latest-news/886a8v/picture315028693/alte…" width="350" height="200" alt="We have an opening date for the Riverfront KC Streetcar extension. Here’s …" loading="lazy" data-tb-thumbnail=""> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:316 height:134 left:0 right:300 top:182 width:300] lhId:page-1-DIV nodeLabel:Sponsored by: Once Human To be human or not to be,make your choice! NEW RULE O… path:0,HTML,2,BODY,10,DIV,6,DIV,1,DIV,7,DIV selector:div.GoogleActiveViewElement > div#native-667252226605482261 > div.xandr-stacked-image-first > div.xandr-txt-wrapper snippet:<div class="xandr-txt-wrapper"> type:node] score:0.007651 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:157 height:157 left:0 right:300 top:0 width:300] lhId:page-2-IMG nodeLabel:div.GoogleActiveViewElement > div#native-667252226605482261 > div.xandr-stacked-image-first > img.xandr-image1 path:0,HTML,2,BODY,10,DIV,6,DIV,1,DIV,5,IMG selector:div.GoogleActiveViewElement > div#native-667252226605482261 > div.xandr-stacked-image-first > img.xandr-image1 snippet:<img class="xandr-image1" src="https://shftr.adnxs.net/r?url=https%3A%2F%2Fad.adsrvr.org%2Fsg2o27m%2Fc9sr…"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:1020 height:600 left:982 right:1142 top:420 width:160] lhId:page-21-DIV nodeLabel:Advertisement path:1,HTML,1,BODY,4,SECTION,2,DIV,0,DIV,0,DIV,0,DIV selector:div#zone-el-5 > div.two-rows > div#web-flex1 > div#google_ads_iframe_/7675/KCM.site_kansascity/_HomePage/web-flex1_0__container__ snippet:<div id="google_ads_iframe_/7675/KCM.site_kansascity/_HomePage/web-flex1_0__contain…" style="border: 0pt;"> type:node] score:0.006678]]

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.

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
KC World Cup organizers run full-scale emergency drill: ‘We will be ready’ article#secondary-story-5 > figure > a.image-link-macro > img
/public/latest-news/piyscs/picture315483804/alternates/LA...171.0 KiB161.2 KiB
KC Tenants says Royals stadium will lead to higher rent and displaced residents article#secondary-story-9 > figure > a.image-link-macro > img
/public/latest-news/aotm6a/picture315426417/alternates/LA...157.0 KiB147.2 KiB
Vine Street theater to reopen as KC cultural hub after long restoration process article.card > figure > a.image-link-macro > img
/public/latest-news/w4k4fo/picture312216746/alternates/LA...122.3 KiB112.5 KiB
We have an opening date for the Riverfront KC Streetcar extension. Here’s when article#secondary-story-2 > figure > a.image-link-macro > img
/public/latest-news/886a8v/picture315028693/alternates/LA...113.9 KiB104.6 KiB
body > div.GoogleActiveViewElement > a > img body > div.GoogleActiveViewElement > a > img
/creative20/p/806/2024/5/29/57959932/590e3c71-ce8e-42f3-9...121.9 KiB82.4 KiB
div#native-667252226605482261 > div.xandr-stacked-image-first > div.xandr-txt-wrapper > img.xandr-image2 div#native-667252226605482261 > div.xandr-stacked-image-first > div.xandr-txt-wrapper > img.xandr-image2
/r?url=https%3A%2F%2Fad.adsrvr.org%2Fsg2o27m%2Fc9srdbt%2F...78.5 KiB73.6 KiB
New Kansas City-area restaurant serving cheesesteaks opens: ‘The real deal’ article#secondary-story-6 > figure > a.image-link-macro > img
/public/latest-news/iz9xjb/picture315474593/alternates/LA...71.4 KiB65.5 KiB
Surging gas prices will cost Americans $857 more in 2026 article.card > figure > a.image-link-macro > img
/public/incoming/46hor0/picture315489893/alternates/LANDS...69.5 KiB63.8 KiB
‘Unexpected' Star Bella's Mom Falen Vaughn Arrested for Disorderly Conduct article.card > figure > a.image-link-macro > img
/public/incoming/rd3wnl/picture315489470/alternates/LANDS...66.0 KiB60.6 KiB
Face It: You Need These Laura Geller Blushes, Foundations and Concealers That A… article.card > figure > a.image-link-macro > img
/public/incoming/qyx824/picture315486871/alternates/LANDS...56.3 KiB51.7 KiB
KC-area school districts rebuke findings of federal probe into gender policies article#secondary-story-4 > figure > a.image-link-macro > img
/public/latest-news/fnymgv/picture315257037/alternates/LA...55.9 KiB51.3 KiB
‘Absolute honor.’ Taylor Swift dancer Kameron Saunders receives UMKC alumni awa… article#secondary-story-8 > figure > a.image-link-macro > img
/public/latest-news/lhekvr/picture315473117/alternates/LA...52.7 KiB48.3 KiB
Early-morning house fire leaves 1 dead in Kansas City article#secondary-story-11 > figure > a.image-link-macro > img
/public/latest-news/glgq98/picture315479840/alternates/LA...43.5 KiB40.0 KiB
Trans KC residents say Missouri’s ‘bathroom bill’ would unfairly target them article#secondary-story-7 > figure > a.image-link-macro > img
/public/latest-news/gl3m04/picture315090011/alternates/LA...39.0 KiB35.8 KiB
Platte County attorney who called colleague N-word needs to pay the price | Opi… article#secondary-story-10 > figure > a.image-link-macro > img
/public/latest-news/bmfy22/picture315478391/alternates/LA...33.3 KiB30.5 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-13-IMG
nodeLabel: New Royals stadium footprint won’t be in Washington Square Park, councilman says
path: 1,HTML,1,BODY,4,SECTION,0,DIV,0,ARTICLE,1,FIGURE,0,A,0,IMG
selector: article#primary-content > figure > a.image-link-macro > img
snippet: <img src="https://www.kansascity.com/public/latest-news/xtuwk6/picture262674122/alte…" width="350" height="200" alt="New Royals stadium footprint won’t be in Washington Square Park, councilma…" loading="lazy" data-tb-thumbnail="">

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.

URLTransfer SizeDuration
/css2?family=Noto+Sans:ital,wght@0,100..900;1,100..900&fa...1.8 KiB271 ms
cmp.osano.com/16A0CuTCdGtXx3A1C/ec63760f-40b0-4c2c-b76a-e71dda7f148e/osano.js103.4 KiB
www.kansascity.com/zloysinb-o/kansascitycore.js36.7 KiB
www.kansascity.com/wps/build/webpack/css/mi-styles.c759c39774ad6d697a46.css53.6 KiB121 ms

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: 480 ms
URLTime Spent
kansascity.com/480 ms
www.kansascity.com/0.0 ms

These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to windowing. Learn how to improve CLS

Why this matters

Performance issues directly impact user engagement and conversion rates.

ElementLayout shift score
Advertisement div#zoneContainer > div#zone-el-2 > div.htlad-web-top-banner > div#web-top-banner
0.095
LOCAL We have an opening date for the Riverfront KC Streetcar extension. Here’s… body.wps-body-main > section.grid > div.region > article#secondary-story-2
0.041
0.008
Advertisement div#zone-el-5 > div.two-rows > div#web-flex1 > div#google_ads_iframe_/7675/KCM.site_kansascity/_HomePage/web-flex1_0__container__
0.007
New Royals stadium footprint won’t be in Washington Square Park, councilman says article#primary-content > div.package > h3.h1 > a
0.003
LOCAL We have an opening date for the Riverfront KC Streetcar extension. Here’s… body.wps-body-main > section.grid > div.region > article#secondary-story-2
0.000

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

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: 120 ms 50.1 KiB
URLTransfer SizeEst Savings
www.kansascity.com/wps/build/webpack/css/mi-styles.c759c39774ad6d697a46.css53.1 KiB50.1 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
Unattributable625 ms234 ms0.0 ms
cmp.osano.com/16A0CuTCdGtXx3A1C/ec63760f-40b0-4c2c-b76a-e71dda7f148e/osano.js567 ms514 ms12 ms
01.cdn.mediatradecraft.com/kansascity/main/main.js?template=homepage415 ms373 ms3.5 ms
www.kansascity.com/413 ms157 ms4.3 ms
micro.rubiconproject.com/prebid/dynamic/21666.js402 ms327 ms51 ms
cdn.confiant-integrations.net/gptprebidnative/202603241056/wrap.js172 ms122 ms13 ms
/pagead/managed/js/activeview/current/ufs_web_display.js164 ms128 ms30 ms
www.kansascity.com/zloysinb-o/kansascitycore.js119 ms113 ms2.6 ms
www.kansascity.com/zloysinb-o/quarantine.prod1776777962178.js112 ms106 ms2.3 ms
sdk.mrf.io/statics/marfeel-sdk.js?id=531583 ms78 ms0.2 ms
www.kansascity.com/zloysinb-o/hanealneh.prod1776777962178.js79 ms70 ms4.2 ms
cdn.amplitude.com/engagement-browser/prod/split/index.js77 ms73 ms0.1 ms
/pagead/managed/js/gpt/m202604160201/pubads_impl.js?cb=31...77 ms51 ms11 ms
www.kansascity.com/akam/13/14097b0568 ms65 ms1.1 ms
t.seedtag.com/c/headerBidding.js?cb=177681720000067 ms52 ms3.1 ms
adsdkprod.azureedge.net/viewability/versions/v5.8.27/banner.js59 ms48 ms9.0 ms
www.kansascity.com/zloysinb-o/zones.prod1776777962178.js55 ms51 ms0.6 ms
www.googletagmanager.com/gtag/js?id=AW-84862013250 ms43 ms7.0 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
Script Evaluation3.2 s
Other570 ms
Script Parsing & Compilation262 ms
Style & Layout189 ms
Garbage Collection77 ms
Rendering55 ms
Parse HTML & CSS54 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
The page has an unload handler in a sub frame.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

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: 0.0 ms 1.1 MiB
URLTransfer SizeEst Savings
/pagead/managed/js/gpt/m202604160201/pubads_impl.js?cb=31...187.7 KiB95.1 KiB
/p/320936758/player.js?cid=1ffe5d7e-eb53-11e9-b4d2-069484...138.6 KiB94.8 KiB
www.googletagmanager.com/gtag/js?id=AW-11133563815140.5 KiB83.1 KiB
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...168.7 KiB74.1 KiB
cdn.confiant-integrations.net/gptprebidnative/202603241056/wrap.js141.5 KiB71.5 KiB
www.googletagmanager.com/gtag/js?id=G-C76K2XD7PD&cx=c&gtm=4e64h1164.0 KiB66.3 KiB
www.googletagmanager.com/gtag/js?id=UA-48279380-1125.1 KiB62.5 KiB
www.googletagmanager.com/gtag/js?id=AW-848620132144.6 KiB60.5 KiB
www.kansascity.com/zloysinb-o/engagement.prod1776777962178.js62.0 KiB58.3 KiB
www.kansascity.com/zloysinb-o/dahdeyah.prod1776777962178.js56.2 KiB55.8 KiB
www.kansascity.com/wps/build/webpack/videoLoader.bundle-eb4e8a1ef2763bfaff10.js63.6 KiB50.4 KiB
micro.rubiconproject.com/prebid/dynamic/21666.js170.9 KiB49.8 KiB
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...66.4 KiB46.6 KiB
www.kansascity.com/zloysinb-o/hanealneh.prod1776777962178.js65.9 KiB42.9 KiB
www.kansascity.com/zloysinb-o/escenic.prod1776777962178.js74.5 KiB39.5 KiB
c.amazon-adsystem.com/aax2/apstag.js90.6 KiB38.1 KiB
/pagead/managed/js/activeview/current/ufs_web_display.js73.1 KiB31.0 KiB
/pagead/managed/js/activeview/current/ufs_web_display.js73.1 KiB31.0 KiB
/pagead/managed/js/activeview/current/ufs_web_display.js73.1 KiB30.9 KiB
t.seedtag.com/c/headerBidding.js?cb=177681720000039.0 KiB23.5 KiB
adsdk.bing.net/viewability/app.js40.6 KiB22.7 KiB
sdk.mrf.io/statics/47bd3e88b6bda15c34ce.js23.9 KiB22.2 KiB
sdk.mrf.io/statics/marfeel-sdk.js?id=531559.7 KiB21.9 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
/pagead/managed/js/gpt/m202604160201/pubads_impl.js?cb=31...187.7 KiB
/public/latest-news/piyscs/picture315483804/alternates/LA...171.4 KiB
micro.rubiconproject.com/prebid/dynamic/21666.js171.1 KiB
/engagement-browser/prod/split/3e32313fa451995010d88ec2e1...169.2 KiB
www.googletagmanager.com/gtag/js?id=G-C76K2XD7PD&cx=c&gtm=4e64h1164.0 KiB
/public/latest-news/aotm6a/picture315426417/alternates/LA...157.4 KiB
www.googletagmanager.com/gtag/js?id=AW-848620132144.7 KiB
cdn.confiant-integrations.net/gptprebidnative/202603241056/wrap.js141.8 KiB
www.googletagmanager.com/gtag/js?id=AW-11133563815140.9 KiB
/p/320936758/player.js?cid=1ffe5d7e-eb53-11e9-b4d2-069484...139.2 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
body.wps-body-main > footer.footer > div.item > img.footer-logo body.wps-body-main > footer.footer > div.item > img.footer-logo
www.kansascity.com/wps/source/images/mcm-logo.png

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

●Optimize DOM size
●Font display
●Forced reflow
●LCP breakdown
●Modern HTTP
●Optimize viewport for mobile
●Minify CSS
●Minify JavaScript
●User Timing marks and measures 256 user timings
●Avoid long main-thread tasks 16 long tasks found
●Avoid non-composited animations 3 animated elements found
●Network Requests
●Network Round Trip Times 120 ms
●Server Backend Latencies 340 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 20 ms
○INP breakdown
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
Home Kansas City Favorites Customer Service Stay Connected Read today's Edition… div.newMastheadContainer > header#mastheadVueContainer > div.paper > nav#main-nav
Reality Check div.paper > nav#main-nav > a.row > div#menu-17
Uniquely div.paper > nav#main-nav > a.row > div#menu-18
Detour Travel div.paper > nav#main-nav > a.row > div#menu-19
Kansas City Favorites div.paper > nav#main-nav > a.row > div#menu-20

Some ARIA child roles must be contained by specific parent roles to properly perform their intended accessibility functions. Learn more about ARIA roles and required parent element.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
76°F div.flag-row > div.flag-weather > div.row > a

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

Names and labels

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.flag > div.flag-row > div.flag-menu > button#menu-toggle div.flag > div.flag-row > div.flag-menu > button#menu-toggle

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
body.wps-body-main > footer.footer > div.item > img.footer-logo body.wps-body-main > footer.footer > div.item > img.footer-logo

Screen reader users rely on frame titles to describe the contents of frames. Learn more about frame titles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.st-adunit-ad > div.st-display-render > div.st-canvas > iframe#undefined div.st-adunit-ad > div.st-display-render > div.st-canvas > iframe#undefined

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
Read today's Edition div.flag > div.flag-row > div.flag-eedition > a
76°F div.flag-row > div.flag-weather > div.row > a
○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
●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.
●`button`, `link`, and `menuitem` elements have accessible names
●ARIA attributes are used as specified for the element's role
●Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
●`[aria-hidden="true"]` elements do not contain focusable descendents
●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.
●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"]`
●All heading elements contain content.
●Uses ARIA roles only on compatible elements
●Identical links have the same purpose.
○`[accesskey]` values are unique
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○Elements with the `role=text` attribute do not have focusable descendents.
○ARIA toggle fields have accessible names
○ARIA `tooltip` elements have accessible names
○ARIA `treeitem` elements have accessible names
○The page contains a heading, skip link, or landmark region
○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
○Definition list items are wrapped in `<dl>` elements
○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 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>`.
○Image elements do not have `[alt]` attributes that are redundant text.
○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
micro.rubiconproject.com/prebid/dynamic/21666.js line 25, col 84959
AttributionReporting
cdn.taboola.com/libtrc/unip/1563813/tfa.js line 2, col 82365
Unload event listeners are deprecated and will be removed.
cdn.adnxs-simple.com/v/s/252/trk.js line 559, col 5595

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
/profiles?device_id=dbcba063-c3f7-4c0a-bdaf-095d1e875e3b&...
Failed to load resource: the server responded with a status of 404 ()
api.rlcdn.com/api/identity/envelope?pid=1405
Failed to load resource: the server responded with a status of 451 ()
●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
●Use a strong HSTS policy
●Ensure proper origin isolation with COOP
●Mitigate clickjacking with XFO or CSP
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
85

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.

Crawling and Indexing

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.

Content Best Practices

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
body.wps-body-main > footer.footer > div.item > img.footer-logo body.wps-body-main > footer.footer > div.item > img.footer-logo

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 have descriptive text
●Links are crawlable
●Document has a valid `hreflang`
●Document has a valid `rel=canonical`

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