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Lighthouse Desktop

· 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.

93

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
cdn.cookielaw.org/scripttemplates/202510.1.0/otBannerSdk.js86400.0 s123.3 KiB
static.wikia.nocookie.net/silversurfer/prod/latest/sdk.js10800.0 s32.4 KiB
static.wikia.nocookie.net/silversurfer/prod/latest/pathfinder.js10800.0 s31.1 KiB
/scripts/bundle/65568.js?sid=ed1edc0e-ce73-462e-8cc4-fe04...3600.0 s20.9 KiB
/fandom-ae-assets/odyssey/identity-engine/production/main.js86400.0 s27.4 KiB
www.fandom.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js?14400.0 s12.1 KiB
/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/...14400.0 s12.0 KiB
script.wikia.nocookie.net/fandom-ae-assets/odyssey/host/production/main.js86400.0 s16.6 KiB
/logos/67a90ba4-3081-4d74-98ab-8ed228a512fa/dea70a1b-c82d...86400.0 s11.9 KiB
static.wikia.nocookie.net/silversurfer/prod/latest/sdk-cross-domain.js10800.0 s6.5 KiB
cdn.cookielaw.org/scripttemplates/otSDKStub.js86400.0 s9.1 KiB
cdn.brandmetrics.com/tag/dd830904-53f5-42f0-9d96-967434572877/fandom.com.js3600.0 s4.3 KiB
/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c124171768917...86400.0 s6.9 KiB
sb.scorecardresearch.com/internal-cs/default/beacon.js86400.0 s6.8 KiB
script.crazyegg.com/pages/scripts/0129/6552.js300.0 s2.7 KiB
/__cb3778051113870605/resources-ucp/mw143/dist/scripts/pa...43200.0 s4.5 KiB
rules.quantcount.com/rules-p-8bG6eLqkH6Avk.js3600.0 s1.6 KiB
/__cb3778051113870605/resources-ucp/mw143/dist/scripts/dt...43200.0 s2.2 KiB
cdn.cookielaw.org/logos/static/powered_by_logo.svg86400.0 s2.5 KiB
/c.js?siteid=ed1edc0e-ce73-462e-8cc4-fe0421bcd00f&toploc=...0.0 ms289 B
cdn.cookielaw.org/logos/static/ot_close.svg86400.0 s603 B

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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-DIV
nodeLabel: body.mainpage > div.main-container > div.fandom-community-header__background
path: 1,HTML,1,BODY,4,DIV,2,DIV
selector: body.mainpage > div.main-container > div.fandom-community-header__background
snippet: <div class="fandom-community-header__background cover header " style="--image-ratio:0.5625">

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
value: no origins were preconnected
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates
value: No additional origins are good candidates for preconnecting

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.

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
CommunityProgrHub-Header div.fandom_programming > figure.mw-halign-center > a > img.mw-file-element
/central/images/2/27/CommunityProgrHub-Header.png/revisio...13.8 KiB10.5 KiB
MainPageCCHeader div.mainpageccheader > figure.mw-halign-center > span > img.mw-file-element
/central/images/7/75/MainPageCCHeader.png/revision/latest...23.5 KiB5.7 KiB

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

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: 30 ms 55.4 KiB
URLTransfer SizeEst Savings
/load.php?lang=en&modules=ext.fandom.ArticleInterlang.css...43.0 KiB35.8 KiB
22.3 KiB19.6 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.

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

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: 557 ms
Time to Interactive 1.4 s
Layout shift culprits
Optimize DOM size
Font display
Forced reflow
LCP breakdown
Modern HTTP
Optimize viewport for mobile
Max Potential First Input Delay 50 ms
Minify CSS
Minify JavaScript
Avoids enormous network payloads Total size was 1,383 KiB
User Timing marks and measures 12 user timings
JavaScript execution time 0.6 s
Minimizes main-thread work 1.5 s
Avoid long main-thread tasks 1 long task found
Avoid non-composited animations 2 animated elements found
Image elements have explicit `width` and `height`
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 30 ms
Server Backend Latencies 140 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 30 ms
Avoid large layout shifts 6 layout shifts found
INP breakdown
85

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

Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. Learn how to match ARIA attributes to their roles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
EXPLORE nav.fandom-community-header__local-navigation > ul.wds-tabs > li.wds-dropdown > div.wds-tabs__tab-label
GET STARTED WITH FANDOM nav.fandom-community-header__local-navigation > ul.wds-tabs > li.wds-dropdown > div.wds-tabs__tab-label
I NEED HELP nav.fandom-community-header__local-navigation > ul.wds-tabs > li.wds-dropdown > div.wds-tabs__tab-label
I WANT TO LEARN nav.fandom-community-header__local-navigation > ul.wds-tabs > li.wds-dropdown > div.wds-tabs__tab-label
AROUND FANDOM nav.fandom-community-header__local-navigation > ul.wds-tabs > li.wds-dropdown > div.wds-tabs__tab-label
English div.page-header__top > div.page-header__languages > div.wds-dropdown > div.wds-dropdown__toggle
Categories main.page__main > div.page-footer > div.wds-collapsible-panel > header.wds-collapsible-panel__header
Languages main.page__main > div.page-footer > div.wds-collapsible-panel > header.wds-collapsible-panel__header

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

Contrast

Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Introducing "Collections" on Fandom (Beta) div.blog-info > div.details > div.title > a
Introducing the Animal Crossing: New Horizons Game Companion on Fandom div.blog-info > div.details > div.title > a
Learning, Listening, and Localizing: Reflections from Our AI Translation Pilot div.blog-info > div.details > div.title > a
Internationalization Experiment: Latest Updates div.blog-info > div.details > div.title > a
Community Partnerships September Update: Gaming Highlights div.blog-info > div.details > div.title > a
Community Partnerships Update: Paid Partnerships and Community Benefits div.blog-info > div.details > div.title > a
Our Third Annual Transparency Report div.blog-info > div.details > div.title > a
Across Fandoms: A Lookback On 2025 Events div.blog-info > div.details > div.title > a
Signing up div.faq-list > ul > li > a
Changing your preferences div.faq-list > ul > li > a
Managing your account div.faq-list > ul > li > a
Updating your profile div.faq-list > ul > li > a.mw-redirect
Notifications div.faq-list > ul > li > a
Creating a wiki div.faq-list > ul > li > a
Administrators' how-to guide div.faq-list > ul > li > a
Common mistakes div.faq-list > ul > li > a
More on Getting Started div.faq-section > div.faq-list > div.mainpage-more > a
Editing a page div.faq-list > ul > li > a
Creating a new page div.faq-list > ul > li > a
Uploading photos div.faq-list > ul > li > a
Adding videos div.faq-list > ul > li > a
Inserting links div.faq-list > ul > li > a
Adding categories div.faq-list > ul > li > a
Dealing with templates div.faq-list > ul > li > a
Using wikitext div.faq-list > ul > li > a
More on Contributing div.faq-section > div.faq-list > div.mainpage-more > a
Using the theme designer div.faq-list > ul > li > a.mw-redirect
Changing the background image div.faq-list > ul > li > a
Uploading a new favicon div.faq-list > ul > li > a
Using colors div.faq-list > ul > li > a
Updating the wiki navigation div.faq-list > ul > li > a
Customization policy div.faq-list > ul > li > a.mw-redirect
Adding and updating tables div.faq-list > ul > li > a
Working with infoboxes div.faq-list > ul > li > a
Complete Customization Tips div.faq-section > div.faq-list > div.mainpage-more > a
Copyright complaints div.faq-list > ul > li > a.external
Enabling new wiki features div.faq-list > ul > li > a.mw-redirect
Enabling extensions div.faq-list > ul > li > a
Protecting a page div.faq-list > ul > li > a.mw-disambig
Navigating the admin dashboard div.faq-list > ul > li > a
Working with special pages div.faq-list > ul > li > a
Blocking users div.faq-list > ul > li > a
Handling conflict div.faq-list > ul > li > a
Community Management Tips div.faq-section > div.faq-list > div.mainpage-more > a
All Frequently Asked Questions div.lcs-container > div#mainpage-faq > div.mainpage-more > a
20 Apr 2026 div.blog-info > div.details > div.created > span.timestamp
Technical Updates: April 20, 2026 div.blog-info > div.details > div.title > a
7 Apr 2026 div.blog-info > div.details > div.created > span.timestamp
Technical Updates: April 7, 2026 div.blog-info > div.details > div.title > a
31 Mar 2026 div.blog-info > div.details > div.created > span.timestamp
Trans Day of Visibility 2026 div.blog-info > div.details > div.title > a
31 Mar 2026 div.blog-info > div.details > div.created > span.timestamp
Trans Day of Visibility 2026 div.blog-info > div.details > div.title > a
15 Apr 2025 div.blog-info > div.details > div.created > span.timestamp
Introducing the Admin Code of Conduct div.blog-info > div.details > div.title > a
18 Sep 2024 div.blog-info > div.details > div.created > span.timestamp
Fandom Publishes New Policy Regarding Offensive Language div.blog-info > div.details > div.title > a

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
community discussions div > div > p > a
staff blog posts div > div > p > a
help pages div > div > p > a
Getting Started With Contributing to Wikis div.mainpage-box > div.contributing-for-newcomers > div.advice-card > a
Visit page div.mainpage-box > div.contributing-for-newcomers > div.advice-card > a.text
Go directly to the contribution mode div.mainpage-box > div.contributing-for-newcomers > div.advice-card > a.text
CC-BY-SA main.page__main > div.page-footer > div.license-description > a

These are opportunities to improve the legibility of your content.

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
Getting Started div#mainpage-faq > div.faqs > div.faq-section > h4

These are opportunities to improve keyboard navigation in your application.

Names and labels

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
div.highlight__actions > div.highlight__d-flex > div.highlight__action > a div.highlight__actions > div.highlight__d-flex > div.highlight__action > a
div.highlight__actions > div.highlight__d-flex > div.highlight__action > a div.highlight__actions > div.highlight__d-flex > div.highlight__action > a
div.highlight__actions > div.highlight__d-flex > div.highlight__action > a div.highlight__actions > div.highlight__d-flex > div.highlight__action > 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.

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
Privacy Policy div#onetrust-group-container > div#onetrust-policy > div#onetrust-policy-text > a.ot-cookie-policy-link
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-hidden="true"]` is not present on the document `<body>`
`[role]`s have all required `[aria-*]` attributes
`[role]` values are valid
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
Image elements have `[alt]` attributes
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.
`[accesskey]` values are unique
`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
Document has a `<title>` element
`<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
Touch targets have sufficient size and spacing.
`[lang]` attributes have a valid value
Document has a main landmark.
Deprecated ARIA roles were not used
Identical links have the same purpose.
ARIA input fields have accessible names
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[role]`s are contained by their required parent element
Elements with the `role=text` attribute do not have focusable descendents.
ARIA toggle fields have accessible names
ARIA `tooltip` elements have accessible names
ARIA `treeitem` elements have accessible names
The page contains a heading, skip link, or landmark region
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Definition list items are wrapped in `<dl>` elements
ARIA IDs are unique
No form fields have multiple labels
`<frame>` or `<iframe>` elements have a title
`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
Input buttons have discernible text.
`<input type="image">` elements have `[alt]` text
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
Select elements have associated label elements.
Skip links are focusable.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
`<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.
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
SharedStorage
StorageType.persistent is deprecated. Please use standardized navigator.storage instead.
Fledge

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
Failed to load resource: the server responded with a status of 400 ()
Failed to load resource: the server responded with a status of 404 ()
logErrorEvent [object Object]

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.

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
Redirects HTTP traffic to HTTPS
92

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

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 are crawlable
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`
robots.txt is valid

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