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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.

73

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling

Why this matters

Performance issues directly impact user engagement and conversion rates.

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
www.numbeo.com/images/map-view-cost-of-living.png0.0 ms327.0 KiB
www.gstatic.com/charts/51/js/jsapi_compiled_ui_module.js3600.0 s167.1 KiB
www.numbeo.com/images/media/media-outline/montage.png0.0 ms127.6 KiB
www.numbeo.com/images/flags/4x3/es.svg0.0 ms89.0 KiB
www.gstatic.com/charts/51/js/jsapi_compiled_default_module.js3600.0 s82.6 KiB
/pagead/managed/js/adsense/m202604160101/show_ads_impl_fy...1209600.0 s177.5 KiB
www.gstatic.com/charts/loader.js3600.0 s18.6 KiB
storage.googleapis.com/iadx_storage/assets/fonts/roboto-v30-latin-regular.woff23600.0 s16.0 KiB
storage.googleapis.com/iadx_storage/assets/fonts/roboto-v30-latin-500.woff23600.0 s15.8 KiB
storage.googleapis.com/iadx_storage/assets/fonts/roboto-v30-latin-700.woff23600.0 s15.7 KiB
www.gstatic.com/charts/51/loader.js3600.0 s15.6 KiB
www.numbeo.com/common/style_desktop_b.css0.0 ms9.6 KiB
www.numbeo.com/images/numbeo_1B3B6F.svg0.0 ms8.6 KiB
www.numbeo.com/images/flags/4x3/pt.svg0.0 ms8.4 KiB
www.gstatic.com/charts/51/js/jsapi_compiled_graphics_module.js3600.0 s7.8 KiB
www.gstatic.com/charts/51/css/util/util.css3600.0 s3.2 KiB
www.numbeo.com/common/numbeo_standard.js0.0 ms1.8 KiB
www.numbeo.com/images/baseline-language.svg0.0 ms1.4 KiB
www.gstatic.com/charts/51/js/jsapi_compiled_corechart_module.js3600.0 s1.3 KiB
www.numbeo.com/images/flags/4x3/it.svg0.0 ms581 B
www.numbeo.com/images/flags/4x3/fr.svg0.0 ms581 B
www.numbeo.com/images/flags/4x3/de.svg0.0 ms502 B
www.gstatic.com/charts/51/css/core/tooltip.css3600.0 s560 B
www.numbeo.com/images/nav-arrow-down-white_2.png0.0 ms431 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:0.13532100000000002] map[node:map[boundingRect:map[bottom:1317 height:289 left:50 right:1300 top:1028 width:1250] lhId:page-3-DIV nodeLabel:Cost of Living Index (Current, By City) New York, NY Prague Sydney London Berli… path:1,HTML,1,BODY,4,DIV,9,DIV selector:body > div.innerWidth > div.standard_margin snippet:<div class="standard_margin"> type:node] score:0.125121 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:1009 height:465 left:50 right:952 top:544 width:902] lhId:page-0-IMG nodeLabel:Map Vew path:1,HTML,1,BODY,4,DIV,8,A,0,IMG selector:body > div.innerWidth > a > img.image_map snippet:<img src="https://www.numbeo.com/images/map-view-cost-of-living.png" alt="Map Vew" class="image_map img_could_be_big"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:90 height:90 left:306 right:833 top:0 width:527] lhId:page-2-TD nodeLabel:table > tbody > tr > td path:1,HTML,1,BODY,0,NAV,0,DIV,0,DIV,0,TABLE,0,TBODY,0,TR,1,TD selector:table > tbody > tr > td snippet:<td style="padding-left: 40px; padding-top: 5px; padding-bottom: 0px;"> type:node] score:0.0102 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:74 height:60 left:54 right:283 top:14 width:229] lhId:page-5-IMG nodeLabel:tr > td.container_around_logo_desktop > a > img path:1,HTML,1,BODY,0,NAV,0,DIV,0,DIV,0,TABLE,0,TBODY,0,TR,0,TD,0,A,0,IMG selector:tr > td.container_around_logo_desktop > a > img snippet:<img src="https://www.numbeo.com/images/numbeo_1B3B6F.svg" style="height: 60px; padding: 0px 0px; vertical-align: bottom; border: 0;" alt=""> type:node]]] type:subitems]]]

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:3.062 source:map[column:640 line:4 type:source-location url:https://cdnjs.cloudflare.com/ajax/libs/jquery/1.10.2/jquery.min.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:9.068 source:map[column:389 line:67 type:source-location url:https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-8993465169534557 urlProvider:network]] map[reflowTime:19.588 source:map[type:text value:[unattributed]]] map[reflowTime:1.196 source:map[column:26533 line:5 type:source-location url:https://cdnjs.cloudflare.com/ajax/libs/jquery/1.10.2/jquery.min.js urlProvider:network]] map[reflowTime:0.953 source:map[column:3774 line:5 type:source-location url:https://cdnjs.cloudflare.com/ajax/libs/jquery/1.10.2/jquery.min.js urlProvider:network]] map[reflowTime:2.039 source:map[column:30882 line:3 type:source-location url:https://cdnjs.cloudflare.com/ajax/libs/jquery/1.10.2/jquery.min.js urlProvider:network]] map[reflowTime:0.232 source:map[column:30979 line:3 type:source-location url:https://cdnjs.cloudflare.com/ajax/libs/jquery/1.10.2/jquery.min.js urlProvider:network]] map[reflowTime:0.247 source:map[column:31260 line:3 type:source-location url:https://cdnjs.cloudflare.com/ajax/libs/jquery/1.10.2/jquery.min.js urlProvider:network]] map[reflowTime:0.04 source:map[column:31351 line:3 type:source-location url:https://cdnjs.cloudflare.com/ajax/libs/jquery/1.10.2/jquery.min.js urlProvider:network]] map[reflowTime:0.1 source:map[column:31632 line:3 type:source-location url:https://cdnjs.cloudflare.com/ajax/libs/jquery/1.10.2/jquery.min.js urlProvider:network]] map[reflowTime:0.204 source:map[column:31782 line:3 type:source-location url:https://cdnjs.cloudflare.com/ajax/libs/jquery/1.10.2/jquery.min.js urlProvider:network]] map[reflowTime:0.2 source:map[column:31900 line:3 type:source-location url:https://cdnjs.cloudflare.com/ajax/libs/jquery/1.10.2/jquery.min.js 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
Map Vew body > div.innerWidth > a > img.image_map
www.numbeo.com/images/map-view-cost-of-living.png326.7 KiB263.7 KiB
body > div.innerWidth > a > img body > div.innerWidth > a > img
www.numbeo.com/images/media/media-outline/montage.png127.3 KiB67.5 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-0-IMG
nodeLabel: Map Vew
path: 1,HTML,1,BODY,4,DIV,8,A,0,IMG
selector: body > div.innerWidth > a > img.image_map
snippet: <img src="https://www.numbeo.com/images/map-view-cost-of-living.png" alt="Map Vew" class="image_map img_could_be_big">

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
www.numbeo.com/common/style_desktop_b.css9.6 KiB140 ms
/css2?family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900...1.1 KiB223 ms
cdnjs.cloudflare.com/ajax/libs/jqueryui/1.10.3/themes/redmond/jquery-ui.min.css5.1 KiB227 ms
www.gstatic.com/charts/loader.js18.6 KiB247 ms

HTTP/2 and HTTP/3 offer many benefits over HTTP/1.1, such as multiplexing. Learn more about using modern HTTP.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLProtocol
www.numbeo.com/cost-of-living/http/1.1
www.numbeo.com/common/numbeo_standard.jshttp/1.1
www.numbeo.com/common/style_desktop_b.csshttp/1.1
www.numbeo.com/images/numbeo_1B3B6F.svghttp/1.1
www.numbeo.com/images/map-view-cost-of-living.pnghttp/1.1
www.numbeo.com/images/media/media-outline/montage.pnghttp/1.1
www.numbeo.com/images/baseline-language.svghttp/1.1
www.numbeo.com/images/flags/4x3/de.svghttp/1.1
www.numbeo.com/images/flags/4x3/pt.svghttp/1.1
www.numbeo.com/images/flags/4x3/it.svghttp/1.1
www.numbeo.com/images/flags/4x3/fr.svghttp/1.1
www.numbeo.com/images/flags/4x3/es.svghttp/1.1
www.numbeo.com/images/nav-arrow-down-white_2.pnghttp/1.1
www.numbeo.com/favicon.icohttp/1.1

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: 876 ms
URLTime Spent
numbeo.com/490 ms
www.numbeo.com/386 ms
www.numbeo.com/cost-of-living/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
Cost of Living Index (Current, By City) New York, NY Prague Sydney London Berli… body > div.innerWidth > div.standard_margin
0.125
table > tbody > tr > td table > tbody > tr > td
0.010

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 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: 370 ms 422.7 KiB
URLTransfer SizeEst Savings
/pagead/managed/js/adsense/m202604160101/show_ads_impl_fy...177.5 KiB134.4 KiB
www.gstatic.com/charts/51/js/jsapi_compiled_ui_module.js167.0 KiB108.4 KiB
www.googletagmanager.com/gtag/js?id=G-HXEZG0C6Q2144.6 KiB62.8 KiB
www.gstatic.com/charts/51/js/jsapi_compiled_default_module.js82.5 KiB46.7 KiB
cdnjs.cloudflare.com/ajax/libs/jqueryui/1.10.3/jquery-ui.min.js50.0 KiB44.0 KiB
/pagead/js/adsbygoogle.js?client=ca-pub-899346516953455754.4 KiB26.4 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
Map Vew body > div.innerWidth > a > img.image_map
www.numbeo.com/images/map-view-cost-of-living.png
tr > td.container_around_logo_desktop > a > img tr > td.container_around_logo_desktop > a > img
www.numbeo.com/images/numbeo_1B3B6F.svg
body > div.innerWidth > a > img body > div.innerWidth > a > img
www.numbeo.com/images/media/media-outline/montage.png
tbody > tr > td > img.icon_for_country tbody > tr > td > img.icon_for_country
www.numbeo.com/images/flags/4x3/de.svg
tbody > tr > td > img.icon_for_country tbody > tr > td > img.icon_for_country
www.numbeo.com/images/flags/4x3/pt.svg
tbody > tr > td > img.icon_for_country tbody > tr > td > img.icon_for_country
www.numbeo.com/images/flags/4x3/it.svg
tbody > tr > td > img.icon_for_country tbody > tr > td > img.icon_for_country
www.numbeo.com/images/flags/4x3/fr.svg
tbody > tr > td > img.icon_for_country tbody > tr > td > img.icon_for_country
www.numbeo.com/images/flags/4x3/es.svg
div.standard_margin > div.light_box > span.section_title_container > img div.standard_margin > div.light_box > span.section_title_container > img
www.numbeo.com/images/baseline-language.svg

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

●Max Potential First Input Delay 70 ms
●Optimize DOM size
●Font display
●LCP breakdown
●Optimize viewport for mobile
●Minify CSS
●Minify JavaScript
●Reduce unused CSS
●Avoids enormous network payloads Total size was 1,464 KiB
●User Timing marks and measures 5 user timings
●JavaScript execution time 0.3 s
●Minimizes main-thread work 0.6 s
●Avoid long main-thread tasks 1 long task found
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 100 ms
●Server Backend Latencies 70 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 100 ms
○INP breakdown
○Avoid non-composited animations
77

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.

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
Countries: body > div.innerWidth > h3

These are opportunities to improve keyboard navigation in your application.

Names and labels

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 > div.innerWidth > a > img body > div.innerWidth > a > img

Form elements without effective labels can create frustrating experiences for screen reader users. Learn more about the `select` element.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
---Select Country--- Afghanistan Aland Islands Albania Alderney Algeria America… div.select_location_form > div.standard_margin_inlineblock > form > select#country

Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
tbody > tr > td.container_around_logo_desktop > a tbody > tr > td.container_around_logo_desktop > a
body > div.innerWidth > nav.breadcrumb > a.discreet_link body > div.innerWidth > nav.breadcrumb > a.discreet_link
body > div.innerWidth > a body > div.innerWidth > a

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.

Contrast

Low-contrast text is difficult or impossible for many users to read. Link text that is discernible improves the experience for users with low vision. Learn how to make links distinguishable.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
sharing local price information div.innerWidth > div.standard_margin > p > a

These are opportunities to improve the legibility of your content.

Best practices

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Afghanistan tbody > tr > td > a
Aland Islands tbody > tr > td > a
Albania tbody > tr > td > a
Alderney tbody > tr > td > a
Algeria tbody > tr > td > a
Andorra tbody > tr > td > a
Angola tbody > tr > td > a
Anguilla tbody > tr > td > a
Argentina tbody > tr > td > a
Armenia tbody > tr > td > a
Aruba tbody > tr > td > a
Australia tbody > tr > td > a
Austria tbody > tr > td > a
Bahamas tbody > tr > td > a
Bahrain tbody > tr > td > a
Bangladesh tbody > tr > td > a
Barbados tbody > tr > td > a
Belarus tbody > tr > td > a
Belgium tbody > tr > td > a
Belize tbody > tr > td > a
Benin tbody > tr > td > a
Bermuda tbody > tr > td > a
Bhutan tbody > tr > td > a
Bolivia tbody > tr > td > a
Bonaire tbody > tr > td > a
Brunei tbody > tr > td > a
Bulgaria tbody > tr > td > a
Cambodia tbody > tr > td > a
Cameroon tbody > tr > td > a
Canada tbody > tr > td > a
Chad tbody > tr > td > a
Chile tbody > tr > td > a
China tbody > tr > td > a
Colombia tbody > tr > td > a
Comoros tbody > tr > td > a
Cook Islands tbody > tr > td > a
Costa Rica tbody > tr > td > a
Croatia tbody > tr > td > a
Cuba tbody > tr > td > a
Curacao tbody > tr > td > a
Cyprus tbody > tr > td > a
Denmark tbody > tr > td > a
Djibouti tbody > tr > td > a
Dominica tbody > tr > td > a
Ecuador tbody > tr > td > a
Egypt tbody > tr > td > a
Eritrea tbody > tr > td > a
Estonia tbody > tr > td > a
Eswatini tbody > tr > td > a
Ethiopia tbody > tr > td > a
Falkland Islands tbody > tr > td > a
Faroe Islands tbody > tr > td > a
Finland tbody > tr > td > a
France tbody > tr > td > a
French Guiana tbody > tr > td > a
French Polynesia tbody > tr > td > a
Gabon tbody > tr > td > a
Gambia tbody > tr > td > a
Georgia tbody > tr > td > a
Germany tbody > tr > td > a
Ghana tbody > tr > td > a
Gibraltar tbody > tr > td > a
Greece tbody > tr > td > a
Greenland tbody > tr > td > a
Grenada tbody > tr > td > a
Guatemala tbody > tr > td > a
Guernsey tbody > tr > td > a
Guinea tbody > tr > td > a
Iceland tbody > tr > td > a
India tbody > tr > td > a
Iran tbody > tr > td > a
Iraq tbody > tr > td > a
Ireland tbody > tr > td > a
Israel tbody > tr > td > a
Italy tbody > tr > td > a
Jamaica tbody > tr > td > a
Japan tbody > tr > td > a
Jersey tbody > tr > td > a
Jordan tbody > tr > td > a
Kenya tbody > tr > td > a
Kiribati tbody > tr > td > a
Laos tbody > tr > td > a
Latvia tbody > tr > td > a
Lebanon tbody > tr > td > a
Lesotho tbody > tr > td > a
Liberia tbody > tr > td > a
Libya tbody > tr > td > a
Macao (China) tbody > tr > td > a
Madagascar tbody > tr > td > a
Malawi tbody > tr > td > a
Malaysia tbody > tr > td > a
Maldives tbody > tr > td > a
Mali tbody > tr > td > a
Malta tbody > tr > td > a
Martinique tbody > tr > td > a
Mauritania tbody > tr > td > a
Mauritius tbody > tr > td > a
Mexico tbody > tr > td > a
Micronesia tbody > tr > td > a
Moldova tbody > tr > td > a
Monaco tbody > tr > td > a
Mongolia tbody > tr > td > a
Montenegro tbody > tr > td > a
Montserrat tbody > tr > td > a
Morocco tbody > tr > td > a
Namibia tbody > tr > td > a
Nauru tbody > tr > td > a
Nepal tbody > tr > td > a
Netherlands tbody > tr > td > a
New Caledonia tbody > tr > td > a
New Zealand tbody > tr > td > a
Nicaragua tbody > tr > td > a
Niger tbody > tr > td > a
Nigeria tbody > tr > td > a
Niue tbody > tr > td > a
Pakistan tbody > tr > td > a
Palau tbody > tr > td > a
Palestine tbody > tr > td > a
Panama tbody > tr > td > a
Poland tbody > tr > td > a
Portugal tbody > tr > td > a
Reunion tbody > tr > td > a
Romania tbody > tr > td > a
Russia tbody > tr > td > a
Rwanda tbody > tr > td > a
Senegal tbody > tr > td > a
Serbia tbody > tr > td > a
Seychelles tbody > tr > td > a
Sierra Leone tbody > tr > td > a
Singapore tbody > tr > td > a
Sint Maarten tbody > tr > td > a
Slovakia tbody > tr > td > a
Slovenia tbody > tr > td > a
South Africa tbody > tr > td > a
South Korea tbody > tr > td > a
South Sudan tbody > tr > td > a
Sri Lanka tbody > tr > td > a
Sudan tbody > tr > td > a
Suriname tbody > tr > td > a
Sweden tbody > tr > td > a
Taiwan tbody > tr > td > a
Tajikistan tbody > tr > td > a
Tanzania tbody > tr > td > a
Thailand tbody > tr > td > a
Togo tbody > tr > td > a
Tonga tbody > tr > td > a
Tunisia tbody > tr > td > a
Turkey tbody > tr > td > a
Uganda tbody > tr > td > a
Ukraine tbody > tr > td > a
United Kingdom tbody > tr > td > a
United States tbody > tr > td > a
Vanuatu tbody > tr > td > a
Venezuela tbody > tr > td > a
Vietnam tbody > tr > td > a
Wallis And Futuna tbody > tr > td > a
Western Sahara tbody > tr > td > a
Zambia tbody > tr > td > a
Zimbabwe tbody > tr > td > a

One main landmark helps screen reader users navigate a web page. Learn more about landmarks.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
html html

These items highlight common accessibility best practices.

○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
●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
●`<frame>` or `<iframe>` elements have a title
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●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
●Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
●Deprecated ARIA roles were not used
●Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
○`[accesskey]` values are unique
○`button`, `link`, and `menuitem` elements have accessible names
○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
○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
○Buttons have an accessible name
○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">`
○`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
○`<object>` elements have alternate text
○Skip links are focusable.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Uses ARIA roles only on compatible elements
○Image elements do not have `[alt]` attributes that are redundant text.
○Identical links have the same purpose.
○Elements with visible text labels have matching accessible names.
○`<td>` elements in a large `<table>` have one or more table headers.
81

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
Intl.v8BreakIterator is deprecated. Please use Intl.Segmenter instead.
www.gstatic.com/charts/51/js/jsapi_compiled_ui_module.js line 520, col 643
●Uses HTTPS
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Displays images with correct aspect ratio
●Serves images with appropriate resolution
●Page has the HTML doctype
●Properly defines charset
●No browser errors logged to the console
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Use a strong HSTS policy
●Ensure proper origin isolation with COOP
●Mitigate 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.

Content Best Practices

Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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 > div.innerWidth > a > img body > div.innerWidth > a > img

Format your HTML in a way that enables crawlers to better understand your app’s content.

○Structured data is valid
●Page isn’t blocked from indexing
●Document has a `<title>` element
●Page has successful HTTP status code
●Links have descriptive text
●Links are crawlable
●robots.txt is valid
●Document has a valid `hreflang`
●Document has a valid `rel=canonical`

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