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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.

94

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 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:35.031 source:map[column:156 line:12 type:source-location url:https://www.ala.org/sites/default/files/js/js_2046u_XUQevkjYqSfIM_23AxrRK_TMdMWhbwcixqVSc.js?scope=footer&delta=0&language=en&theme=ala&include=eJxdjEEOgCAMBD-E8iSyUGw0lZrCQX8vMRzUy2ZmDguipiiXx4B5MS3NQeAhx1rytNXHEiQXgk1VVso2mlF9BxaNkAcbYkj9Cv3DHKuy5NDAnvv8fcaG8xv3G9DMOok 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:5.561 source:map[column:4650 line:12 type:source-location url:https://cdn.jsdelivr.net/npm/swiper@9/swiper-bundle.min.js urlProvider:network]] map[reflowTime:0.876 source:map[column:9709 line:12 type:source-location url:https://cdn.jsdelivr.net/npm/swiper@9/swiper-bundle.min.js urlProvider:network]] map[reflowTime:4.275 source:map[column:356 line:4 type:source-location url:https://www.ala.org/sites/default/files/js/js_FIlxsE_HGCRqvLjBtiVBSi42am5vEquISXK_oMNelbw.js?scope=footer&delta=5&language=en&theme=ala&include=eJxdjEEOgCAMBD-E8iSyUGw0lZrCQX8vMRzUy2ZmDguipiiXx4B5MS3NQeAhx1rytNXHEiQXgk1VVso2mlF9BxaNkAcbYkj9Cv3DHKuy5NDAnvv8fcaG8xv3G9DMOok urlProvider:network]] map[reflowTime:24.319 source:map[column:391 line:7 type:source-location url:https://www.ala.org/sites/default/files/js/js_FIlxsE_HGCRqvLjBtiVBSi42am5vEquISXK_oMNelbw.js?scope=footer&delta=5&language=en&theme=ala&include=eJxdjEEOgCAMBD-E8iSyUGw0lZrCQX8vMRzUy2ZmDguipiiXx4B5MS3NQeAhx1rytNXHEiQXgk1VVso2mlF9BxaNkAcbYkj9Cv3DHKuy5NDAnvv8fcaG8xv3G9DMOok 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
ALA members div.card > div.card__image > a > img.image-style-card-image-700x372
/sites/default/files/styles/card_image_700x372/public/202...380.7 KiB344.5 KiB
Papa reads to baby in Lakeland, OH div.card > div.card__image > a > img.image-style-card-image-700x372
/sites/default/files/styles/card_image_700x372/public/202...302.4 KiB266.2 KiB
150 Years Strong, The Official Anniversary Website (pictured: Invitation to ear… div.layout__region > div.paragraph > div.flex > img.image-style-header-media-1800x1200-aspect-switcher-no-upscaling
/sites/default/files/styles/header_media_1800x1200_aspect...218.6 KiB194.3 KiB
American Libraries March-April issue div.layout__region > div.paragraph > div.flex > img.image-style-header-media-1800x1200-aspect-switcher-no-upscaling
/sites/default/files/styles/header_media_1800x1200_aspect...177.0 KiB157.3 KiB
Office for Intellectual Freedom Shield logo div.card > div.card__image > a > img.image-style-card-image-330x220
/sites/default/files/styles/card_image_330x220/public/202...45.4 KiB33.6 KiB
Colorful illustration of library with large pink banner that reads "Find YOur J… div.card__image > a > picture > img.image-landscape
/sites/default/files/styles/card_image_681x559/public/202...83.9 KiB22.0 KiB
Graphic for Book Resumes from United for Libraries div.card > div.card__image > a > img.image-style-card-image-330x220
/sites/default/files/styles/card_image_330x220/public/202...30.9 KiB19.0 KiB
I Love my Librarian Award. Pictured: Mahasin Ameen, Valerie Byrd Fort, Jenny Co… div.card > div.card__image > a > img.image-style-card-image-330x220
/sites/default/files/styles/card_image_330x220/public/202...28.2 KiB17.2 KiB
Top Ten Most Challenged Books of 2024 - collage of book cover details div.card > div.card__image > a > img.image-style-card-image-330x220
/sites/default/files/styles/card_image_330x220/public/202...26.3 KiB14.4 KiB
ALA Annual Conference & Exhibition, Chicago, June 25-29, 2026. Register Today a… div.card > div.card__image > a > img.image-style-card-image-330x220
/sites/default/files/styles/card_image_330x220/public/202...24.2 KiB13.2 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-5-IMG
nodeLabel: Colorful illustration of library with large pink banner that reads "Find YOur J…
path: 1,HTML,1,BODY,2,DIV,0,DIV,0,DIV,1,MAIN,2,DIV,1,DIV,0,DIV,0,DIV,0,ARTICLE,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,A,0,PICTURE,2,IMG
selector: div.card__image > a > picture > img.image-landscape
snippet: <img loading="eager" width="681" height="559" src="/sites/default/files/styles/card_image_681x559/public/2026-04/for-ala-home…" alt="Colorful illustration of library with large pink banner that reads &quot;Find Y…" class="image-landscape">

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

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.

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.

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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.

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

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.

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: 0.0 ms 51.3 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
ALA site logo div.region > div#block-sitebranding > a.inline-block > img.h-auto
www.ala.org/themes/custom/ala/logo.svg
site logo div.flex > div.mb-12 > a.w-[243px] > img
www.ala.org/themes/custom/ala/assets/images/svg/ala-footer-logo.svg

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: 209 ms
URLTime Spent
ala.org/209 ms
www.ala.org/0.0 ms
Time to Interactive 2.3 s
Max Potential First Input Delay 110 ms
Layout shift culprits
Optimize DOM size
LCP breakdown
Modern HTTP
Optimize viewport for mobile
Minify CSS
Minify JavaScript
Avoids enormous network payloads Total size was 2,274 KiB
User Timing marks and measures 5 user timings
JavaScript execution time 0.3 s
Minimizes main-thread work 1.1 s
Avoid long main-thread tasks 3 long tasks found
Avoid non-composited animations 1 animated element found
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 140 ms
Server Backend Latencies 350 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 10 ms
Avoid large layout shifts 15 layout shifts found
INP breakdown
95

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
We use cookies to improve user experience, analyze web traffic, and provide per… body.path-frontpage > div#onetrust-consent-sdk > div#onetrust-banner-sdk

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
20 APR 29 MAY ELEARNING Fundamentals of Cataloging 2026 - Session 3.0 This 6… div.swiper-wrapper > div.swiper-slide > div.swiper-slide > a.calendar_slider_item
20 APR 15 MAY ELEARNING Fundamentals of Management 2026 - Session 2.0 This 4… div.swiper-wrapper > div.swiper-slide > div.swiper-slide > a.calendar_slider_item
20 APR 29 MAY ELEARNING Fundamentals of Cataloging 2026 - Session 3.1 This 6… div.swiper-wrapper > div.swiper-slide > div.swiper-slide > a.calendar_slider_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-hidden="true"]` is not present on the document `<body>`
`[role]`s have all required `[aria-*]` attributes
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 have valid values
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
Image elements have `[alt]` attributes
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
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
Identical links have the same purpose.
`[accesskey]` values are unique
`button`, `link`, and `menuitem` elements 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
No form fields have multiple labels
`<frame>` or `<iframe>` elements have a title
`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
Input buttons have discernible text.
`<input type="image">` elements have `[alt]` text
Form elements have associated labels
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
`<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.
92

Best Practices

General

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
Connecting to 'https://geolocation.onetrust.com/cookieconsentpub/v1/geo/location' violates the following Content Security Policy directive: "connect-src 'self' cdn.jsdelivr.net *.google *.google.com *.google-analytics.com *.doubleclick.net *.googletagmanager.com *.zohopublic.com *.cookiepro.com *.feathr.co". The action has been blocked.
Connecting to 'https://match.adsrvr.org/track/cmf/generic?gdpr=0&ttd_passthrough=a_id%3D604267263e520ca59416d0a9&ttd_pid=6fgi4r1&ttd_puid=69e8029db23f13a1fca4708e&ttd_tpi=1' violates the following Content Security Policy directive: "connect-src 'self' cdn.jsdelivr.net *.google *.google.com *.google-analytics.com *.doubleclick.net *.googletagmanager.com *.zohopublic.com *.cookiepro.com *.feathr.co". The action has been blocked.
Fetch API cannot load https://match.adsrvr.org/track/cmf/generic?gdpr=0&ttd_passthrough=a_id%3D604267263e520ca59416d0a9&ttd_pid=6fgi4r1&ttd_puid=69e8029db23f13a1fca4708e&ttd_tpi=1. Refused to connect because it violates the document's Content Security Policy.
Loading the image 'https://cookie-cdn.cookiepro.com/logos/static/cookiepro_logo.png' violates the following Content Security Policy directive: "img-src 'self' data: livehelpnow.net *.livehelpnow.net www.google-analytics.com www.googletagmanager.com cdn.jsdelivr.net clarity.ms *.clarity.ms www.ala.org live-alaorg.pantheonsite.io *.googleusercontent.com *.google.com *.gstatic.com *.google *.goog *.gstatic.com *.feathr.co". The action has been blocked.
Loading the image 'https://cookie-cdn.cookiepro.com/logos/static/poweredBy_cp_logo.svg' violates the following Content Security Policy directive: "img-src 'self' data: livehelpnow.net *.livehelpnow.net www.google-analytics.com www.googletagmanager.com cdn.jsdelivr.net clarity.ms *.clarity.ms www.ala.org live-alaorg.pantheonsite.io *.googleusercontent.com *.google.com *.gstatic.com *.google *.goog *.gstatic.com *.feathr.co". The action has been blocked.
Loading the image 'https://match.adsrvr.org/track/cmf/generic?gdpr=0&ttd_passthrough=a_id%3D604267263e520ca59416d0a9&ttd_pid=6fgi4r1&ttd_puid=69e8029db23f13a1fca4708e&ttd_tpi=1' violates the following Content Security Policy directive: "img-src 'self' data: livehelpnow.net *.livehelpnow.net www.google-analytics.com www.googletagmanager.com cdn.jsdelivr.net clarity.ms *.clarity.ms www.ala.org live-alaorg.pantheonsite.io *.googleusercontent.com *.google.com *.gstatic.com *.google *.goog *.gstatic.com *.feathr.co". The action has been blocked.
Loading the image 'https://www.google.com.br/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&_ng=1&tid=G-QM624B6ZSD&cid=2020764626.1776812701&gtm=45je64h1v9123648379z8843184167za20gzb843184167zd843184167&rcb=1&aip=1&dma=0&gcd=13l3l3l3l1l1&npa=0&frm=0&tag_exp=0~115938465~115938469~117266400&z=1926810878' violates the following Content Security Policy directive: "img-src 'self' data: livehelpnow.net *.livehelpnow.net www.google-analytics.com www.googletagmanager.com cdn.jsdelivr.net clarity.ms *.clarity.ms www.ala.org live-alaorg.pantheonsite.io *.googleusercontent.com *.google.com *.gstatic.com *.google *.goog *.gstatic.com *.feathr.co". The action has been blocked.
Loading the script 'https://connect.facebook.net/en_US/fbevents.js' violates the following Content Security Policy directive: "script-src 'self' 'unsafe-inline' 'unsafe-eval' zingtree.com *.zingtree.com ajax.googleapis.com livehelpnow.net *.livehelpnow.net developer.livehelpnow.net cdn.polyfill.io www.googletagmanager.com www.google-analytics.com unpkg.com youtube.com *.youtube.com cdnjs.cloudflare.com cdn.jsdelivr.net fulview.io *.fulview.io www.gstatic.com clarity.ms *.clarity.ms static.addtoany.com *.google.com *.google *.googleadservices.com *.feathr.co *.cookiepro.com *.zohopublic.com". Note that 'script-src-elem' was not explicitly set, so 'script-src' is used as a fallback. The action has been blocked.
Loading the script 'https://js.zohocdn.com/salesiq/js/floatbutton1_3y7X330dbIYB2wKmZ9YbC-jKHbWn_DKPLubIgDx1h_vicB5msdhTHjzLXFv6WFlr_.js' violates the following Content Security Policy directive: "script-src 'self' 'unsafe-inline' 'unsafe-eval' zingtree.com *.zingtree.com ajax.googleapis.com livehelpnow.net *.livehelpnow.net developer.livehelpnow.net cdn.polyfill.io www.googletagmanager.com www.google-analytics.com unpkg.com youtube.com *.youtube.com cdnjs.cloudflare.com cdn.jsdelivr.net fulview.io *.fulview.io www.gstatic.com clarity.ms *.clarity.ms static.addtoany.com *.google.com *.google *.googleadservices.com *.feathr.co *.cookiepro.com *.zohopublic.com". Note that 'script-src-elem' was not explicitly set, so 'script-src' is used as a fallback. The action has been blocked.
Loading the script 'https://js.zohostatic.com/salesiq/Apr_20_2025_https/salesiq/js/floatbutton1_3y7X330dbIYB2wKmZ9YbC-jKHbWn_DKPLubIgDx1h_vicB5msdhTHjzLXFv6WFlr_.js' violates the following Content Security Policy directive: "script-src 'self' 'unsafe-inline' 'unsafe-eval' zingtree.com *.zingtree.com ajax.googleapis.com livehelpnow.net *.livehelpnow.net developer.livehelpnow.net cdn.polyfill.io www.googletagmanager.com www.google-analytics.com unpkg.com youtube.com *.youtube.com cdnjs.cloudflare.com cdn.jsdelivr.net fulview.io *.fulview.io www.gstatic.com clarity.ms *.clarity.ms static.addtoany.com *.google.com *.google *.googleadservices.com *.feathr.co *.cookiepro.com *.zohopublic.com". Note that 'script-src-elem' was not explicitly set, so 'script-src' is used as a fallback. The action has been blocked.
Loading the stylesheet 'https://css.zohocdn.com/salesiq/styles/floatbutton1_GIFLbol1kJZVrV24d51HLLrd0QNzUVBhzbSnHpFr6Dj8_iuVzZkr5HAQG2y9n9wR_.css' violates the following Content Security Policy directive: "style-src 'self' 'unsafe-inline' zingtree.com *.zingtree.com fontawesome.com *.fontawesome.com fonts.googleapis.com fonts.gstatic.com cdn.jsdelivr.net livehelpnow.net *.livehelpnow.net unpkg.com cdnjs.cloudflare.com use.typekit.net p.typekit.net *.google.com". Note that 'style-src-elem' was not explicitly set, so 'style-src' is used as a fallback. The action has been blocked.
Loading the stylesheet 'https://css.zohostatic.com/salesiq/Apr_20_2025_https/styles/floatbutton1.css' violates the following Content Security Policy directive: "style-src 'self' 'unsafe-inline' zingtree.com *.zingtree.com fontawesome.com *.fontawesome.com fonts.googleapis.com fonts.gstatic.com cdn.jsdelivr.net livehelpnow.net *.livehelpnow.net unpkg.com cdnjs.cloudflare.com use.typekit.net p.typekit.net *.google.com". Note that 'style-src-elem' was not explicitly set, so 'style-src' is used as a fallback. The action has been blocked.

Issues logged to the `Issues` panel in Chrome Devtools indicate unresolved problems. They can come from network request failures, insufficient security controls, and other browser concerns. Open up the Issues panel in Chrome DevTools for more details on each issue.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Issue type
Content security policy
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
Displays images with correct aspect ratio
Serves images with appropriate resolution
Page has the HTML doctype
Properly defines charset
Ensure CSP is effective against XSS attacks
Use a strong HSTS policy
Ensure proper origin isolation with COOP
Mitigate DOM-based XSS with Trusted Types
Detected JavaScript libraries
Page has valid source maps
Redirects HTTP traffic to HTTPS
Mitigate clickjacking with XFO or CSP
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

Descriptive link text helps search engines understand your content. Learn how to make links more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

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