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Lighthouse Mobile

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

Audit breakdown by category with detailed findings.

33

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.

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:0.529641] map[node:map[boundingRect:map[bottom:1592 height:1088 left:19 right:393 top:504 width:374] lhId:page-17-DIV nodeLabel:Learn about Menopause Talking PPD path:1,HTML,1,BODY,2,DIV,4,MAIN,1,DIV,2,DIV,0,DIV,1,DIV,1,DIV selector:div.grid-row > div.usa-layout-docs__main > div#block-owh-uswds-content > div.padding-y-1 snippet:<div class="padding-y-1"> type:node] score:0.329585 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:1043 height:413 left:56 right:356 top:630 width:301] lhId:page-7-IMG nodeLabel:Navigate Menopause with Confidence path:1,HTML,1,BODY,2,DIV,4,MAIN,1,DIV,2,DIV,0,DIV,1,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,ARTICLE,2,A,0,IMG selector:div.owh-subarticles__col > article.campaign-item > a.gtm-campaigns > img.img-responsive snippet:<img src="/sites/default/files/callout_images/menopause-poster-rev.jpg" alt="Navigate Menopause with Confidence" class="img-responsive gtm-campaigns"> type:node]]] type:subitems]] map[node:map[boundingRect:map[bottom:1592 height:1088 left:19 right:393 top:504 width:374] lhId:page-17-DIV nodeLabel:Learn about Menopause Talking PPD path:1,HTML,1,BODY,2,DIV,4,MAIN,1,DIV,2,DIV,0,DIV,1,DIV,1,DIV selector:div.grid-row > div.usa-layout-docs__main > div#block-owh-uswds-content > div.padding-y-1 snippet:<div class="padding-y-1"> type:node] score:0.112655] map[node:map[boundingRect:map[bottom:459 height:271 left:19 right:393 top:188 width:374] lhId:page-13-DIV nodeLabel:Learn About Improving Maternal Health Outcomes path:1,HTML,1,BODY,2,DIV,4,MAIN,1,DIV,2,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,1,DIV,0,DIV,2,DIV selector:div#owh-homepage-carousel-1 > div.slick-list > div.slick-track > div.slick-slide snippet:<div class="slick-slide slick-current slick-active" data-slick-index="2" aria-hidden="false" tabindex="0" style="width: 374px; position: relative; left: -748px; top: 0px; z-index: 999;"> type:node] score:0.055081 subItems:map[items:[map[cause:Web font extra:map[type:url value:https://womenshealth.gov/themes/custom/owh_uswds/fonts/public-sans/PublicSans-Regular.woff2]] map[cause:Web font extra:map[type:url value:https://womenshealth.gov/themes/custom/owh_uswds/fonts/public-sans/PublicSans-Bold.woff2]]] type:subitems]] map[node:map[boundingRect:map[bottom:424 height:236 left:19 right:393 top:188 width:374] lhId:page-16-DIV nodeLabel:Learn about Menopause path:1,HTML,1,BODY,2,DIV,4,MAIN,1,DIV,2,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,1,DIV,0,DIV,3,DIV selector:div#owh-homepage-carousel-1 > div.slick-list > div.slick-track > div.slick-slide snippet:<div class="slick-slide" data-slick-index="3" aria-hidden="true" tabindex="-1" style="width: 374px; position: relative; left: -1122px; top: 0px; z-index: 998;"> type:node] score:0.03232 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:354 height:167 left:19 right:393 top:188 width:374] lhId:page-0-IMG nodeLabel:Explore the Latest Data, Key Findings, and Progress from Participating Hospitals path:1,HTML,1,BODY,2,DIV,4,MAIN,1,DIV,2,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,A,0,IMG selector:div.slick-track > div.slick-slide > a.slick-image-url > img snippet:<img src="/sites/default/files/carousel_images/HHS-Perinatal-Improvement-Collaborati…" alt="Explore the Latest Data, Key Findings, and Progress from Participating Hos…"> type:node]]] type:subitems]]]

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
Explore the Latest Data, Key Findings, and Progress from Participating Hospitals div.slick-track > div.slick-slide > a.slick-image-url > img
/sites/default/files/carousel_images/HHS-Perinatal-Improv...239.6 KiB208.5 KiB
Learn About Improving Maternal Health Outcomes div.slick-track > div.slick-slide > a.slick-image-url > img
/sites/default/files/carousel_images/BMC_Pregnancy_and_Ch...114.4 KiB83.4 KiB
Explore OWH CME/CE Courses div.slick-track > div.slick-slide > a.slick-image-url > img
/sites/default/files/carousel_images/Course-for-Womens-He...97.0 KiB66.0 KiB
Twitter Logo div.footer-social > div.footer-social__icons > a.external-link > img
/themes/custom/owh_uswds/assets/img/social-icons/social-t...59.8 KiB59.7 KiB
Learn about Menopause div.slick-track > div.slick-slide > a.slick-image-url > img
/sites/default/files/carousel_images/menopause_carousel_0...78.6 KiB47.6 KiB
Linkedin Logo div.footer-social > div.footer-social__icons > a.external-link > img
/themes/custom/owh_uswds/assets/img/social-icons/social-l...32.9 KiB32.8 KiB
Pinterest Logo div.footer-social > div.footer-social__icons > a.external-link > img
/themes/custom/owh_uswds/assets/img/social-icons/social-p...28.5 KiB28.5 KiB
Navigate Menopause with Confidence div.owh-subarticles__col > article.campaign-item > a.gtm-campaigns > img.img-responsive
womenshealth.gov/sites/default/files/callout_images/menopause-poster-rev.jpg83.0 KiB27.2 KiB
YoutubeLogo div.footer-social > div.footer-social__icons > a.external-link > img
/themes/custom/owh_uswds/assets/img/social-icons/social-y...22.4 KiB22.4 KiB
Facebook Logo div.footer-social > div.footer-social__icons > a.external-link > img
/themes/custom/owh_uswds/assets/img/social-icons/social-f...19.3 KiB19.3 KiB
Talking Postpartum Depression div.owh-subarticles__col > article.campaign-item > a.gtm-campaigns > img.img-responsive
womenshealth.gov/sites/default/files/callout_images/talking-ppd-poster.jpg63.9 KiB8.1 KiB
Twitter div.sidebar__connect > div.sidebar__connect__social-icons > a.social-icon > img
/themes/custom/owh_uswds/assets/img/social-icons/twitter_...6.7 KiB4.6 KiB
Linkedin div.sidebar__connect > div.sidebar__connect__social-icons > a.social-icon > img
/themes/custom/owh_uswds/assets/img/social-icons/linkedin...6.2 KiB4.1 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: Explore the Latest Data, Key Findings, and Progress from Participating Hospitals
path: 1,HTML,1,BODY,2,DIV,4,MAIN,1,DIV,2,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,A,0,IMG
selector: div.slick-track > div.slick-slide > a.slick-image-url > img
snippet: <img src="/sites/default/files/carousel_images/HHS-Perinatal-Improvement-Collaborati…" alt="Explore the Latest Data, Key Findings, and Progress from Participating Hos…">

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

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
/sites/default/files/asset_injector/css/owh_subfooter-3c4...1.1 KiB
/sites/default/files/asset_injector/css/admin_forms-d7bd2...677 B
womenshealth.gov/themes/custom/owh_uswds/css/styles.css?tdwdbn458.5 KiB2.4 s
womenshealth.gov/themes/custom/owh_uswds/js/slick-1.8.1/slick-theme.css?tdwdbn3.5 KiB
/sites/default/files/asset_injector/css/summary_box_with_...737 B
/sites/default/files/asset_injector/css/css_508_complianc...6.2 KiB
/sites/default/files/asset_injector/css/footer_css-4f8f9d...858 B
/sites/default/files/asset_injector/css/events_global-767...968 B
womenshealth.gov/themes/custom/owh_uswds/js/lightbox/css/lightbox.css?tdwdbn3.5 KiB
womenshealth.gov/themes/custom/owh_uswds/js/slick-1.8.1/slick.css?tdwdbn2.2 KiB
womenshealth.gov/core/modules/views/css/views.module.css?tdwdbn878 B
womenshealth.gov/modules/contrib/addtoany/css/addtoany.css?tdwdbn1.3 KiB
womenshealth.gov/core/modules/system/css/components/tablesort.module.css?tdwdbn798 B
/modules/contrib/paragraphs/css/paragraphs.unpublished.cs...490 B
womenshealth.gov/core/modules/system/css/components/nowrap.module.css?tdwdbn527 B
womenshealth.gov/modules/contrib/extlink/css/extlink.css?tdwdbn1.7 KiB
womenshealth.gov/core/modules/system/css/components/js.module.css?tdwdbn1.1 KiB
/core/modules/system/css/components/system-status-report-...689 B
/core/modules/system/css/components/system-status-report-...992 B
womenshealth.gov/core/modules/system/css/components/hidden.module.css?tdwdbn1.8 KiB
womenshealth.gov/core/modules/system/css/components/resize.module.css?tdwdbn704 B
/core/modules/system/css/components/system-status-counter...1.2 KiB
/core/modules/system/css/components/position-container.mo...527 B
/core/modules/system/css/components/reset-appearance.modu...682 B
womenshealth.gov/core/modules/system/css/components/item-list.module.css?tdwdbn722 B
womenshealth.gov/core/modules/system/css/components/clearfix.module.css?tdwdbn742 B
womenshealth.gov/core/modules/system/css/components/details.module.css?tdwdbn559 B
/css?family=Roboto+Condensed:400,400i,700,700i|Roboto:400...2.9 KiB832 ms
/core/modules/system/css/components/container-inline.modu...709 B
womenshealth.gov/core/modules/system/css/components/fieldgroup.module.css?tdwdbn527 B
womenshealth.gov/core/modules/system/css/components/align.module.css?tdwdbn917 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.

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

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
Learn about Menopause Talking PPD div.grid-row > div.usa-layout-docs__main > div#block-owh-uswds-content > div.padding-y-1
0.330
Learn about Menopause Talking PPD div.grid-row > div.usa-layout-docs__main > div#block-owh-uswds-content > div.padding-y-1
0.113
Learn About Improving Maternal Health Outcomes div#owh-homepage-carousel-1 > div.slick-list > div.slick-track > div.slick-slide
0.055
Learn about Menopause div#owh-homepage-carousel-1 > div.slick-list > div.slick-track > div.slick-slide
0.032

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: 2.4 s 441.4 KiB
URLTransfer SizeEst Savings
womenshealth.gov/themes/custom/owh_uswds/css/styles.css?tdwdbn457.5 KiB441.4 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.

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.

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation1.6 s
Other609 ms
Style & Layout399 ms
Script Parsing & Compilation251 ms
Rendering114 ms
Parse HTML & CSS96 ms

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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
Explore the Latest Data, Key Findings, and Progress from Participating Hospitals div.slick-track > div.slick-slide > a.slick-image-url > img
/sites/default/files/carousel_images/HHS-Perinatal-Improv...
Explore OWH CME/CE Courses div.slick-track > div.slick-slide > a.slick-image-url > img
/sites/default/files/carousel_images/Course-for-Womens-He...
Learn About Improving Maternal Health Outcomes div.slick-track > div.slick-slide > a.slick-image-url > img
/sites/default/files/carousel_images/BMC_Pregnancy_and_Ch...
Learn about Menopause div.slick-track > div.slick-slide > a.slick-image-url > img
/sites/default/files/carousel_images/menopause_carousel_0...
Navigate Menopause with Confidence div.owh-subarticles__col > article.campaign-item > a.gtm-campaigns > img.img-responsive
womenshealth.gov/sites/default/files/callout_images/menopause-poster-rev.jpg
Talking Postpartum Depression div.owh-subarticles__col > article.campaign-item > a.gtm-campaigns > img.img-responsive
womenshealth.gov/sites/default/files/callout_images/talking-ppd-poster.jpg
Office on Women's Health Logo womenshealth.gov div#extended-mega-logo > em.usa-logo__image > a > img
womenshealth.gov/themes/custom/owh_uswds/assets/img/layout/owh-logo.png
Pinterest div.sidebar__connect > div.sidebar__connect__social-icons > a.social-icon > img
/themes/custom/owh_uswds/assets/img/social-icons/pinteres...
Youtube div.sidebar__connect > div.sidebar__connect__social-icons > a.social-icon > img
/themes/custom/owh_uswds/assets/img/social-icons/youtube_...
Twitter div.sidebar__connect > div.sidebar__connect__social-icons > a.social-icon > img
/themes/custom/owh_uswds/assets/img/social-icons/twitter_...
Facebook div.sidebar__connect > div.sidebar__connect__social-icons > a.social-icon > img
/themes/custom/owh_uswds/assets/img/social-icons/facebook...
Linkedin div.sidebar__connect > div.sidebar__connect__social-icons > a.social-icon > img
/themes/custom/owh_uswds/assets/img/social-icons/linkedin...
U.S. flag header.usa-banner__header > div.usa-banner__inner > div.grid-col-auto > img.usa-banner__header-flag
womenshealth.gov/themes/custom/owh_uswds/assets/img/us_flag_small.png

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

Optimize DOM size
Forced reflow
LCP breakdown
Modern HTTP
Optimize viewport for mobile
Minify CSS
User Timing marks and measures 15 user timings
Avoid long main-thread tasks 12 long tasks found
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 90 ms
Server Backend Latencies 200 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Avoid multiple page redirects
Initial server response time was short Root document took 100 ms
INP breakdown
Avoid non-composited animations
100

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.

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
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.
`button`, `link`, and `menuitem` elements have accessible names
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 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
Skip links are focusable.
Document has a main landmark.
Deprecated ARIA roles were not used
Identical links have the same purpose.
Elements with visible text labels have matching accessible names.
`[accesskey]` values are unique
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
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
Links are distinguishable without relying on color.
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
Select elements have associated label elements.
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.
77

Best Practices

User Experience

Image natural dimensions should be proportional to the display size and the pixel ratio to maximize image clarity. Learn how to provide responsive images.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLDisplayed sizeActual sizeExpected size
U.S. flag header.usa-banner__header > div.usa-banner__inner > div.grid-col-auto > img.usa-banner__header-flag
womenshealth.gov/themes/custom/owh_uswds/assets/img/us_flag_small.png19 x 1316 x 1129 x 20

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
AttributionReporting
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
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 DOM-based XSS with Trusted Types
Detected JavaScript libraries
Page has valid source maps
Redirects HTTP traffic to HTTPS
Use a strong HSTS policy
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.

Link destinationLink Text
womenshealth.gov/node/1501Read more

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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