Lighthouse Mobile

· 0 checks — Mobile Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.

SCORE

GRADE

FIX

REVIEW

PASS

INFO

Detailed Report

Audit breakdown by category with detailed findings.

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.

Request	Cache TTL	Transfer Size
cdntranscend.eventbrite.com/cm/f2747157-cf59-4ef1-8703-018defe51764/ui.js	60.0 s	90.4 KiB
d1n9ior3u0lhlo.cloudfront.net/united-kingdom--manchester.webp	0.0 ms	88.7 KiB
cdntranscend.eventbrite.com/cm/f2747157-cf59-4ef1-8703-018defe51764/airgap.js	60.0 s	69.2 KiB
d1n9ior3u0lhlo.cloudfront.net/united-kingdom--london.webp	0.0 ms	64.1 KiB
/fe/dist/discover-lib/11.29.24/browser/static/images/home...	0.0 ms	47.6 KiB
pixel.byspotify.com/ping.min.js	3600.0 s	10.3 KiB
js.zi-scripts.com/zi-tag.js	0.0 ms	5.7 KiB
cdntranscend.eventbrite.com/cm/f2747157-cf59-4ef1-8703-018defe51764/cm.css	60.0 s	4.2 KiB

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:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]

items: [map[reflowTime:58.998 source:map[type:text value:[unattributed]]]]

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.

	URL	Resource Size	Est Savings
An image of Manchester super imposed with the text "Manchester" `div.CarouselSlide_root__tL5wT > div.TopDestinationCard_root__leTgV > a > img.TopDestinationCard_image__bhQ8V`	d1n9ior3u0lhlo.cloudfront.net/united-kingdom--manchester.webp	88.2 KiB	63.1 KiB
An image of London super imposed with the text "London" `div.CarouselSlide_root__tL5wT > div.TopDestinationCard_root__leTgV > a > img.TopDestinationCard_image__bhQ8V`	d1n9ior3u0lhlo.cloudfront.net/united-kingdom--london.webp	63.7 KiB	42.9 KiB
UNIVERSITÉ POPULAIRE - Les éléments de la ville - Cours #4 : Le quartier primar… `div.Container_root__4i85v > a.EventCardLink_event-card-link__FqfAz > div.EventCardImage_event-card-image__aspect-container__Ml_cM > img.EventCardImage_event-card-image__3lBQK`	/https://cdn.evbuc.com/images/1174609622/457568532726/1/o...	51.1 KiB	33.9 KiB
Music Events `div.HomepageBannerCarousel_banner__sh2GP > a > picture > img`	/fe/dist/discover-lib/11.29.24/browser/static/images/home...	47.2 KiB	31.9 KiB
Paris Business, Tech & Entrepreneur Networking Soiree primary image `div.Container_root__4i85v > a.EventCardLink_event-card-link__FqfAz > div.EventCardImage_event-card-image__aspect-container__Ml_cM > img.EventCardImage_event-card-image__3lBQK`	/https://cdn.evbuc.com/images/461416249/1427580114633/1/o...	44.6 KiB	27.4 KiB
I LOVE REGGAETON @ LOFT MAILLOT PARIS - 8TH MAY '26 primary image `div.Container_root__4i85v > a.EventCardLink_event-card-link__FqfAz > div.EventCardImage_event-card-image__aspect-container__Ml_cM > img.EventCardImage_event-card-image__3lBQK`	/https://cdn.evbuc.com/images/1177404393/275968665191/1/o...	43.9 KiB	26.7 KiB
Festival de l'intergénérationnel ✨ primary image `div.Container_root__4i85v > a.EventCardLink_event-card-link__FqfAz > div.EventCardImage_event-card-image__aspect-container__Ml_cM > img.EventCardImage_event-card-image__3lBQK`	/https://cdn.evbuc.com/images/1176798450/2606430831501/1/...	39.8 KiB	22.6 KiB
TRADICIONAL BAILE DEL PEROL primary image `div.Container_root__4i85v > a.EventCardLink_event-card-link__FqfAz > div.EventCardImage_event-card-image__aspect-container__Ml_cM > img.EventCardImage_event-card-image__3lBQK`	/https://cdn.evbuc.com/images/1176821332/2308984033493/1/...	36.8 KiB	19.6 KiB
Build Wealth Through Property Investments \| Galaxy of Homes Webinar primary ima… `div.Container_root__4i85v > a.EventCardLink_event-card-link__FqfAz > div.EventCardImage_event-card-image__aspect-container__Ml_cM > img.EventCardImage_event-card-image__3lBQK`	/https://cdn.evbuc.com/images/1181458166/179512769405/1/o...	35.7 KiB	18.5 KiB
AI COMMUNITY DAYS - AICD PARIS 2026 primary image `div.Container_root__4i85v > a.EventCardLink_event-card-link__FqfAz > div.EventCardImage_event-card-image__aspect-container__Ml_cM > img.EventCardImage_event-card-image__3lBQK`	/https://cdn.evbuc.com/images/1176856389/302124148867/1/o...	35.5 KiB	18.3 KiB
18° Journée Jean Gérard Guillet de Vaccinologie Clinique primary image `div.Container_root__4i85v > a.EventCardLink_event-card-link__FqfAz > div.EventCardImage_event-card-image__aspect-container__Ml_cM > img.EventCardImage_event-card-image__3lBQK`	/https://cdn.evbuc.com/images/1180643640/768118311013/1/o...	34.1 KiB	16.9 KiB
Never Miss An Enquiry Again primary image `div.Container_root__4i85v > a.EventCardLink_event-card-link__FqfAz > div.EventCardImage_event-card-image__aspect-container__Ml_cM > img.EventCardImage_event-card-image__3lBQK`	/https://cdn.evbuc.com/images/1181765629/22851786552/1/or...	28.4 KiB	11.2 KiB
Lire et faire lire : En famille primary image `div.Container_root__4i85v > a.EventCardLink_event-card-link__FqfAz > div.EventCardImage_event-card-image__aspect-container__Ml_cM > img.EventCardImage_event-card-image__3lBQK`	/https://cdn.evbuc.com/images/1173991178/556345272489/1/o...	11.7 KiB	8.2 KiB
Navigating Self-Harm and Suicide from a DBT and Integrative approach primary im… `div.Container_root__4i85v > a.EventCardLink_event-card-link__FqfAz > div.EventCardImage_event-card-image__aspect-container__Ml_cM > img.EventCardImage_event-card-image__3lBQK`	/https://cdn.evbuc.com/images/1179700716/1721779615573/1/...	24.1 KiB	6.8 KiB

Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.

title: Preconnected origins

description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.

title: Preconnect candidates

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: 923 ms

URL	Time Spent
eventbrite.co.uk/	923 ms
www.eventbrite.co.uk/	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

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: 1.6 s 291.9 KiB

URL	Transfer Size	Est Savings
www.eventbrite.co.uk/home/_next/static/css/68228b13b9f2f4cb.css	259.5 KiB	258.8 KiB
www.eventbrite.co.uk/home/_next/static/css/398644c9093345da.css	37.1 KiB	33.1 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: 4.2 s 851.8 KiB

URL	Transfer Size	Est Savings
www.eventbrite.co.uk/home/_next/static/chunks/3b999911-e0f67891397df603.js	129.9 KiB	129.8 KiB
www.eventbrite.co.uk/home/_next/static/chunks/pages/_app-f1552b23f7b8d08c.js	204.9 KiB	110.1 KiB
www.googletagmanager.com/gtm.js?id=GTM-5P8FXJ	196.5 KiB	69.5 KiB
www.googletagmanager.com/gtag/js?id=G-TQVES5V6SH&cx=c&gtm=4e64k0h2	160.4 KiB	68.0 KiB
www.eventbrite.co.uk/home/_next/static/chunks/5631-1bbfb16cebb43b3b.js	203.8 KiB	66.0 KiB
www.googletagmanager.com/gtag/js?id=AW-1071787441&cx=c&gtm=4e64k0h2	144.8 KiB	65.0 KiB
www.googletagmanager.com/gtag/js?id=AW-1012298015&cx=c&gtm=4e64k0h2	145.9 KiB	64.8 KiB
www.googletagmanager.com/gtag/js?id=AW-10956076365&cx=c&gtm=4e64k0h2	146.6 KiB	64.8 KiB
www.googletagmanager.com/gtag/js?id=AW-953580665&cx=c&gtm=4e64k0h2	144.7 KiB	64.3 KiB
www.googletagmanager.com/gtag/js?id=DC-4080218&cx=c&gtm=4e64k0h2	131.3 KiB	61.1 KiB
cdntranscend.eventbrite.com/cm/f2747157-cf59-4ef1-8703-018defe51764/ui.js	90.1 KiB	37.5 KiB
www.eventbrite.co.uk/home/_next/static/chunks/94dbaceb-6b65d96c3763a5ef.js	30.5 KiB	30.4 KiB
www.eventbrite.co.uk/home/_next/static/chunks/2052.868b64688acbe610.js	31.0 KiB	20.3 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.

URL	Total CPU Time	Script Evaluation	Script Parse
www.eventbrite.co.uk/home/_next/static/chunks/framework-945b357d4a851f4b.js	1.2 s	1.0 s	14 ms
www.eventbrite.co.uk/	826 ms	16 ms	0.6 ms
Unattributable	596 ms	53 ms	0.0 ms
www.googletagmanager.com/gtag/js?id=G-TQVES5V6SH&cx=c&gtm=4e64k0h2	532 ms	491 ms	39 ms
www.googletagmanager.com/gtm.js?id=GTM-5P8FXJ	507 ms	403 ms	72 ms
www.eventbrite.co.uk/home/_next/static/chunks/pages/_app-f1552b23f7b8d08c.js	335 ms	241 ms	83 ms
www.googletagmanager.com/gtag/js?id=DC-4080218&cx=c&gtm=4e64k0h2	250 ms	195 ms	54 ms
www.eventbrite.co.uk/home/_next/static/chunks/pages/index-c46fb98a63eebed1.js	218 ms	217 ms	0.2 ms
www.googletagmanager.com/gtag/js?id=AW-1071787441&cx=c&gtm=4e64k0h2	203 ms	148 ms	54 ms
cdntranscend.eventbrite.com/cm/f2747157-cf59-4ef1-8703-018defe51764/ui.js	192 ms	164 ms	25 ms
www.eventbrite.co.uk/home/_next/static/chunks/613.51b8f752b880b047.js	181 ms	123 ms	11 ms
www.googletagmanager.com/gtag/js?id=AW-10956076365&cx=c&gtm=4e64k0h2	173 ms	133 ms	40 ms
www.googletagmanager.com/gtag/js?id=AW-1012298015&cx=c&gtm=4e64k0h2	151 ms	119 ms	32 ms
www.googletagmanager.com/gtag/js?id=AW-953580665&cx=c&gtm=4e64k0h2	136 ms	105 ms	30 ms
cdntranscend.eventbrite.com/cm/f2747157-cf59-4ef1-8703-018defe51764/airgap.js	132 ms	107 ms	21 ms
www.eventbrite.co.uk/home/_next/static/chunks/5631-1bbfb16cebb43b3b.js	74 ms	3.5 ms	69 ms
www.eventbrite.co.uk/home/_next/static/chunks/main-0fd338d6c5711f83.js	57 ms	46 ms	9.4 ms
www.eventbrite.co.uk/home/_next/static/chunks/2052.868b64688acbe610.js	55 ms	45 ms	9.0 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.

Category	Time Spent
Script Evaluation	3.7 s
Other	761 ms
Script Parsing & Compilation	607 ms
Style & Layout	579 ms
Garbage Collection	118 ms
Parse HTML & CSS	116 ms
Rendering	101 ms

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.

URL	Transfer Size
www.eventbrite.co.uk/home/_next/static/css/68228b13b9f2f4cb.css	260.0 KiB
www.eventbrite.co.uk/home/_next/static/chunks/pages/_app-f1552b23f7b8d08c.js	205.6 KiB
www.eventbrite.co.uk/home/_next/static/chunks/5631-1bbfb16cebb43b3b.js	204.3 KiB
www.googletagmanager.com/gtm.js?id=GTM-5P8FXJ	196.8 KiB
cdn.evbstatic.com/s3-build/perm_001/b61505/django/images/favicons/favicon.ico	173.9 KiB
www.googletagmanager.com/gtag/js?id=G-TQVES5V6SH&cx=c&gtm=4e64k0h2	160.4 KiB
www.googletagmanager.com/gtag/js?id=AW-10956076365&cx=c&gtm=4e64k0h2	146.6 KiB
www.googletagmanager.com/gtag/js?id=AW-1012298015&cx=c&gtm=4e64k0h2	146.0 KiB
www.googletagmanager.com/gtag/js?id=AW-1071787441&cx=c&gtm=4e64k0h2	144.8 KiB
www.googletagmanager.com/gtag/js?id=AW-953580665&cx=c&gtm=4e64k0h2	144.8 KiB

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

●Layout shift culprits

●Optimize DOM size

●Font display

●LCP breakdown

●LCP request discovery

●Modern HTTP

●Render blocking requests

●Optimize viewport for mobile

●Minify CSS

●Minify JavaScript

●User Timing marks and measures 9 user timings

●Avoid long main-thread tasks 20 long tasks found

●Image elements have explicit `width` and `height`

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 100 ms

●Server Backend Latencies 170 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Initial server response time was short Root document took 160 ms

●Avoid large layout shifts 1 layout shift found

○INP breakdown

○Avoid non-composited animations

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 roles have required attributes that describe the state of the element to screen readers. Learn more about roles and required attributes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
We use cookies `div.column-content > div > div > p#consent-dialog-title`

Assistive technologies, like screen readers, can't interpret ARIA attributes with invalid values. Learn more about valid values for ARIA attributes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
All `div.BrowseContainer_horizontalGutters__CyFk1 > div.Tabs_root__l58ms > div.Tabs_list__l58ms > button#radix-:R1lpm:-trigger-all`

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.

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
Build Wealth Through Property Investments \| Galaxy of Homes Webinar `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
AI COMMUNITY DAYS - AICD PARIS 2026 `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
UNIVERSITÉ POPULAIRE - Les éléments de la ville - Cours #4 : Le quartier `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
Never Miss An Enquiry Again `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
Paris Business, Tech & Entrepreneur Networking Soiree `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
18° Journée Jean Gérard Guillet de Vaccinologie Clinique `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
Lire et faire lire : En famille `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
Navigating Self-Harm and Suicide from a DBT and Integrative approach `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
Colloque scientifique en hommage à Vincent Spenlehauer `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
I LOVE REGGAETON @ LOFT MAILLOT PARIS - 8TH MAY '26 `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
Festival de l'intergénérationnel ✨ `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
10 ans Association Phoenix & Dragons `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
Atelier lire et écrire : Personne et communauté `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
Conférence : L'hospitalité `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
TRADICIONAL BAILE DEL PEROL `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
Atelier EXPOESIE `div.Container_root__4i85v > section.EventCardDetails_eventCardDetails__wOVwH > div.Stack_root__1ksk7 > a.EventCardLink_event-card-link__FqfAz`
See our privacy policy `div.footer-container > div.bottom-menu-container > div.bottom-menu-item-container > a.bottom-menu-item`

○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>`

●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

●`[role]` values are valid

●`[aria-*]` attributes are valid and not misspelled

●Buttons have an accessible name

●Image elements have `[alt]` attributes

●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.

●Select elements have associated label elements.

●ARIA attributes are used as specified for the element's role

●`[aria-hidden="true"]` elements do not contain focusable descendents

●Elements use only permitted ARIA attributes

●Background and foreground colors have a sufficient contrast ratio

●Document has a `<title>` element

●`<html>` element has a `[lang]` attribute

●`<html>` element has a valid value for its `[lang]` attribute

●Links are distinguishable without relying on color.

●Links have a discernible name

●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).

●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements

●No element has a `[tabindex]` value greater than 0

●Touch targets have sufficient size and spacing.

●Heading elements appear in a sequentially-descending order

●Document has a main landmark.

●Deprecated ARIA roles were not used

●No form fields have multiple labels

●Identical links have the same purpose.

○`[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 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

○`<frame>` or `<iframe>` elements have a title

○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.

○Input buttons have discernible text.

○`<input type="image">` elements have `[alt]` text

○The document does not use `<meta http-equiv="refresh">`

○`<object>` elements have alternate text

○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

○`<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.

○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.

Best Practices

User Experience

Image display dimensions should match natural aspect ratio. Learn more about image aspect ratio.

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL	Aspect Ratio (Displayed)	Aspect Ratio (Actual)
An image of London super imposed with the text "London" `div.CarouselSlide_root__tL5wT > div.TopDestinationCard_root__leTgV > a > img.TopDestinationCard_image__bhQ8V`	d1n9ior3u0lhlo.cloudfront.net/united-kingdom--london.webp	280 x 180 (1.56)	840 x 561 (1.50)
An image of Manchester super imposed with the text "Manchester" `div.CarouselSlide_root__tL5wT > div.TopDestinationCard_root__leTgV > a > img.TopDestinationCard_image__bhQ8V`	d1n9ior3u0lhlo.cloudfront.net/united-kingdom--manchester.webp	280 x 180 (1.56)	840 x 560 (1.50)

General

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.

URL
www.eventbrite.co.uk/home/_next/static/chunks/pages/_app-f1552b23f7b8d08c.js
www.eventbrite.co.uk/home/_next/static/chunks/5631-1bbfb16cebb43b3b.js

●Uses HTTPS

●Avoids deprecated APIs

●Avoids third-party cookies

●Allows users to paste into input fields

●Avoids requesting the geolocation permission on page load

●Avoids requesting the notification permission on page load

●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

●Ensure proper origin isolation with COOP

●Mitigate clickjacking with XFO or CSP

●Mitigate DOM-based XSS with Trusted Types

●Detected JavaScript libraries

○Redirects HTTP traffic to HTTPS

○Use a strong HSTS policy

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`