C — https://jmir.org | BeaverCheck Audit

Site Health

Score: 71 / 100

Based on 8 categories, 0 sections

Room to improve — your 26.8s load time is above Google's 2.5s 'Good' threshold.

Several missing protections leave your users and data exposed.

Several issues make your site difficult for assistive technology users.

Well-optimized for search — your content is discoverable.

Solid infrastructure — fast server responses across the board.

Strong compliance posture across regulations.

Good content signals with minor gaps.

Heavier than average — reducing page weight saves energy and bandwidth.

How is this calculated?

The overall score is a weighted average of individual category scores. Categories with more impact on user experience and security carry more weight.

Performance 25%Security 25%Accessibility 15%SEO 10%Infrastructure 10%Compliance 8%Content 5%Sustainability 2%

Weights reflect general web best practices. Individual needs may differ.

How the composite score is calculated

How you compare

Amazon Route 53 · 777 peers

You 71

Avg 72

At average

0 50 100

Better than 23% of Amazon Route 53 sites See full Amazon Route 53 benchmark →

Apple · 972 peers

You 71

Avg 73

At average

0 50 100

Better than 22% of Apple sites See full Apple benchmark →

Top Priorities (5)

Content-Security-Policy header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers

HSTS header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers

No Content-Security-Policy header found

Security gaps expose your site and users to attacks, eroding trust.

Security › Content Security Policy

1 button(s) with no accessible text

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Link & Button Quality

1 image-in-link without alt text

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Alt Text Quality

View fix priority matrix

Fix Priority Matrix

5 findings

Impact

Quick Wins

High impact, low effort — start here.

Strategic

High impact, requires investment.

Easy Improvements

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →

Embed this badge

Markdown

[![BeaverCheck](https://beavercheck.com/badge?url=https%3A%2F%2Fjmir.org)](https://beavercheck.com/results/ae96d133-d525-4fb7-b7f0-340b7ded76a1)

HTML

<a href="https://beavercheck.com/results/ae96d133-d525-4fb7-b7f0-340b7ded76a1"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Fjmir.org" alt="BeaverCheck Score"></a>

Image URL

https://beavercheck.com/badge?url=https%3A%2F%2Fjmir.org

This badge auto-updates with your latest scan result.

What fixing these means

Your site performs reasonably well, but a few targeted fixes could meaningfully improve results. Addressing the critical issues below would have the most immediate impact on your user trust.

3 security gaps detected — browsers may warn visitors about your site.

2 accessibility issues exclude users who rely on assistive technology.

Conversion Barriers

3 critical 5 warning

8 barrier(s) likely increasing bounce by ~33%.

Speed (2)

Page takes 26.8s to load

+12% bounce

Users abandon at ~3s — you're 24.3s over the 2.5s threshold

Fix: Optimize render-blocking resources, preload the hero image, and compress images

Page feels frozen for 3.0s

+5% bounce

Clicks on the primary CTA are ignored while JavaScript runs

Fix: Break up long tasks; defer non-critical JavaScript to post-hydration

Trust (3)

Mixed content on HTTPS page

+8% bounce

Browsers block insecure subresources — broken images, missing scripts, warning badge

Fix: Change http:// URLs inside the page to https:// (or protocol-relative)

No HSTS header

+1% bounce

Returning visitors are briefly exposed to downgrade attacks on first request

Fix: Set Strict-Transport-Security: max-age=31536000; includeSubDomains

No Content-Security-Policy header

+1% bounce

Higher XSS blast radius — one compromised script can exfiltrate the checkout form

Fix: Ship a reporting-only CSP first, then enforce once violations are clean

Content (2)

No structured data

+2% bounce

No rich-result eligibility in Google — lower SERP CTR vs competitors with stars and prices

Fix: Add JSON-LD for your page type (Product, Article, FAQPage, LocalBusiness, …)

Content is hard to read

+2% bounce

Graduate-level reading difficulty — limits the addressable audience for product or blog pages

Fix: Shorten sentences; replace jargon with plain language; target Flesch ease ≥60

Navigation (1)

1 broken link(s) on the page

+2% bounce

Clicks land on 404s — trust drops and the session often ends

Fix: Fix or remove the broken destinations surfaced on the Content tab

Preliminary CRO audit — each barrier links to the tab with detailed analysis.

Return on Investment

€383 investment → €0.86/month returns + EUR 120,500,000 risk avoided

Payback period: > 2 years First-year ROI: -97%

Investment

€383

4h · 5 findings

Monthly returns

€0.86 /mo

~€10 / year

Bandwidth savings €0.86

Regulatory risk avoided

EUR 120,500,000

if kept compliant

ePrivacy Directive EUR 100,000,000
GDPR EUR 20,000,000
EAA EUR 500,000

€128 — in quick wins — start here for the fastest payback

Figures combine localized regulatory fine ceilings, search/conversion value priced against local CPC, and bandwidth waste estimates. Results depend on implementation quality and audience composition. Not legal or financial advice.

Full methodology & sources

Estimated Remediation Cost

€383

4.5 developer hours at €85/hr

Based on European Union rates (€85/hr)

Quick wins

€128 3 fixes in ~90 minutes

Start here for the best return on investment

Cost by category

Cost by effort level

Adjust assumptions

Custom rate

€ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

€10,041,668 / month at risk

~€120,500,010 / year if left unfixed

Compliance Risk

€120,500,000

ePrivacy DirectiveGDPREAA

No privacy policy link detected
GDPR: EUR 10,000 – EUR 20,000,000
1 advertising/retargeting trackers detected
GDPR: EUR 10,000 – EUR 20,000,000
Trackers detected but no cookie policy found
GDPR: EUR 5,000 – EUR 10,000,000

+6 more

Bandwidth Waste

€0.86 /mo

11645.3 MB/mo × 0.074 EUR/GB

Optimize transfer: save ~1.2 MB per page load
Saves €0.86/mo

Compliance figures represent the statutory maximum fine for the most severe triggered category, capped per regulation — not the sum of per-finding penalties. Based on published regulatory fine ranges. This is not legal advice.

Compliance methodology · SEO assumptions · Bandwidth model

Your performance is already good — improvements may show diminishing returns

Monthly visitors

Unique monthly visitors from your analytics

Conversion rate (%)

Purchases, signups, or key actions

Avg. order value

Optional — for revenue estimation

additional conversions/month

more engaged visitors from reduced bounce

potential monthly revenue

Current bounce (est.)

After fixes (est.)

Estimated bounce reduction

Fix 5 critical issues to capture this value

How this is calculated

Based on Google/Deloitte research ("Milliseconds Make Millions") showing a ~7% bounce rate increase per additional second of LCP above the 2.5s "Good" threshold.

Your site's LCP: → estimated after fixes.

These are estimates based on industry research — actual results vary

Bounce-rate model & assumptions

Your data stays in your browser — nothing is sent to our servers

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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

Performance

Accessibility

Best Practices

SEO

Core Web Vitals

Key metrics that affect user experience.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

2.80 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

26.76 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

3.04 s

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.064

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

5.35 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

27.74 s

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

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more ▾

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

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
app.enzuzo.com/scripts/cookiebar/aa022ba6-b337-11ef-b288-3fb59f57942d	3600.0 s	131.1 KiB
js.hs-analytics.net/analytics/1776887700000/19668141.js	300.0 s	42.7 KiB
js.hubspot.com/web-interactives-embed.js	600.0 s	28.5 KiB
js.hscollectedforms.net/collectedforms.js	300.0 s	26.4 KiB
js.hs-banner.com/v2/19668141/banner.js	300.0 s	24.4 KiB
www.google-analytics.com/analytics.js	7200.0 s	20.9 KiB
asset.jmir.pub/resources/images/partners/ORCID.jpg	0.0 ms	13.8 KiB
asset.jmir.pub/resources/images/partners/oaspa.jpg	0.0 ms	13.3 KiB
asset.jmir.pub/resources/images/logos/JMIR_logo.png	0.0 ms	12.1 KiB
asset.jmir.pub/resources/images/partners/trend-MD.jpg	0.0 ms	11.8 KiB
asset.jmir.pub/resources/images/partners/open-access.jpg	0.0 ms	11.1 KiB
asset.jmir.pub/resources/images/partners/crossref.jpg	0.0 ms	10.8 KiB
asset.jmir.pub/resources/images/partners/cope.jpg	0.0 ms	7.6 KiB
snap.licdn.com/li.lms-analytics/insight.min.js	86400.0 s	18.7 KiB
asset.jmir.pub/placeholder.svg	0.0 ms	6.1 KiB
static.zdassets.com/ekr/asset_composer.js	3600.0 s	4.7 KiB
js.hsadspixel.net/pixels.js	600.0 s	3.9 KiB
d1uo4w7k31k5mn.cloudfront.net/v2_hq/17.png	0.0 ms	2.2 KiB
d1uo4w7k31k5mn.cloudfront.net/v2_hq/22.png	0.0 ms	2.2 KiB
d1uo4w7k31k5mn.cloudfront.net/v2_hq/1.png	0.0 ms	2.1 KiB
js.hs-scripts.com/19668141.js	90.0 s	1.1 KiB
d1bxh8uas1mnw7.cloudfront.net/assets/embed.js	0.0 ms	1.0 KiB
/collect?v=2&fmt=js&pid=3149908&time=1776887954326&url=ht...	0.0 ms	696 B
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	6.7 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	5.5 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	5.0 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	4.9 KiB
/v1/internal-556fdf0f/doi/10.2196/98143?callback=_altmetr...	3600.0 s	458 B
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	3.6 KiB
/v1/internal-556fdf0f/doi/10.2196/79928?callback=_altmetr...	3600.0 s	447 B
/v1/internal-556fdf0f/doi/10.2196/97777?callback=_altmetr...	3600.0 s	432 B
/v1/internal-556fdf0f/doi/10.2196/80500?callback=_altmetr...	3600.0 s	430 B
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	3.4 KiB
/v1/internal-556fdf0f/doi/10.2196/87542?callback=_altmetr...	3600.0 s	426 B
/v1/internal-556fdf0f/doi/10.2196/82004?callback=_altmetr...	3600.0 s	423 B
/v1/internal-556fdf0f/doi/10.2196/86097?callback=_altmetr...	3600.0 s	423 B
/v1/internal-556fdf0f/doi/10.2196/87198?callback=_altmetr...	3600.0 s	411 B
/v1/internal-556fdf0f/doi/10.2196/89151?callback=_altmetr...	3600.0 s	400 B
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	3.0 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	2.9 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	2.8 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	2.1 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	2.0 KiB
/v.gif?cd=0&a=544689&d=jmir.org&u=DA5A23A95C74DF870A026FA...	43200.0 s	145 B

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.

URL	Est Savings
cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/webfonts/fa-solid-900.woff2	170 ms
cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/webfonts/fa-brands-400.woff2	160 ms

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:74.443 source:map[type:text value:[unattributed]]] map[reflowTime:2.28 source:map[column:86058 line:68 type:source-location url:https://js.hs-analytics.net/analytics/1776887700000/19668141.js urlProvider:network]]]

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL	Resource Size	Est Savings
JMIR Publications `div.corporate__logo > a > div > img.logo-img`	asset.jmir.pub/resources/images/logos/JMIR_logo.png	11.7 KiB	8.7 KiB

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]

items: [map[duration:419.4789990234375 label:Time to first byte subpart:timeToFirstByte] map[duration:2170.0410009765624 label:Element render delay subpart:elementRenderDelay]]

lhId: page-1-SPAN

nodeLabel: We and our 5 partners may use, with your consent, cookies or similar technologi…

path: 1,HTML,1,BODY,68,DIV,1,DIV,0,DIV,1,DIV,0,SPAN

selector: div#ez-cookie-notification > div.enzuzo-notification-text > div.enzuzo-notification-desc > span

snippet: <span>

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

title: Preconnected origins

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

title: Preconnect candidates

Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size	Duration
js.hs-scripts.com/19668141.js	1.1 KiB	841 ms
cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css	19.1 KiB	994 ms
/ajax/libs/twitter-bootstrap/4.3.1/css/bootstrap-grid.min...	3.5 KiB	824 ms
/css?family=Roboto:100,100i,300,300i,400,400i,500,500i,70...	2.9 KiB	819 ms

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

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

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.

Estimated savings: 150 ms 18.7 KiB

URL	Transfer Size	Est Savings
badge.dimensions.ai/badge.js	80.8 KiB	18.7 KiB

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: 110 ms 91.0 KiB

URL	Transfer Size	Est Savings
badge.dimensions.ai/badge.css	35.6 KiB	35.6 KiB
.mt-0{margin-top:0!important} …	26.7 KiB	24.2 KiB
cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css	18.5 KiB	18.3 KiB
@keyframes slideBottom{0%{transform:translateY(100%)} …	14.2 KiB	12.9 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

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more ▾

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

Estimated savings: 2.9 s 974.8 KiB

URL	Transfer Size	Est Savings
8b5f0effe65c.us-east-2.sdk.awswaf.com/8b5f0effe65c/72fd6064c3cc/challenge.js	574.4 KiB	298.0 KiB
static.zdassets.com/web_widget/classic/latest/web-widget-main-22a6ed7.js	260.4 KiB	110.8 KiB
www.googletagmanager.com/gtag/js?id=AW-1071448537	145.3 KiB	106.3 KiB
www.googletagmanager.com/gtag/js?id=UA-186918-1&cx=c&gtm=4e64k0	124.8 KiB	92.0 KiB
www.googletagmanager.com/gtag/js?id=G-YP0XNYBWWC&cx=c&gtm=4e64k0	171.4 KiB	69.1 KiB
www.googletagmanager.com/gtag/js?id=G-MEVSCZYLY0&cx=c&gtm=4e64k0	174.9 KiB	68.3 KiB
www.googletagmanager.com/gtag/js?id=AW-1071448537&cx=c&gtm=4e64k0	145.3 KiB	63.5 KiB
www.googletagmanager.com/gtag/js?id=UA-186918-1&l=dataLayer	124.8 KiB	59.6 KiB
www.googletagmanager.com/gtm.js?id=GTM-58BHBF4V	155.2 KiB	59.6 KiB
jmir.org/_nuxt/5b4af9a.js	37.3 KiB	23.9 KiB
badge.dimensions.ai/badge.js	80.8 KiB	23.7 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
jmir.org/	1.4 s	21 ms	32 ms
8b5f0effe65c.us-east-2.sdk.awswaf.com/8b5f0effe65c/72fd6064c3cc/challenge.js	1.2 s	996 ms	134 ms
jmir.org/_nuxt/cceee7c.js	1.0 s	883 ms	2.5 ms
Unattributable	835 ms	57 ms	0.0 ms
js.hs-analytics.net/analytics/1776887700000/19668141.js	711 ms	521 ms	40 ms
static.zdassets.com/web_widget/classic/latest/web-widget-main-22a6ed7.js	644 ms	565 ms	70 ms
cdn.jsdelivr.net/npm/@iabtechlabtcf/core@1.5.20/+esm	597 ms	514 ms	0.2 ms
www.googletagmanager.com/gtag/js?id=G-MEVSCZYLY0&cx=c&gtm=4e64k0	381 ms	333 ms	46 ms
www.googletagmanager.com/gtm.js?id=GTM-58BHBF4V	337 ms	253 ms	80 ms
www.googletagmanager.com/gtag/js?id=G-YP0XNYBWWC&cx=c&gtm=4e64k0	247 ms	200 ms	45 ms
app.enzuzo.com/scripts/cookiebar/aa022ba6-b337-11ef-b288-3fb59f57942d	202 ms	144 ms	49 ms
www.googletagmanager.com/gtag/js?id=UA-186918-1&l=dataLayer	191 ms	161 ms	28 ms
www.googletagmanager.com/gtag/js?id=AW-1071448537&cx=c&gtm=4e64k0	169 ms	129 ms	39 ms
/web_widget/classic/latest/web-widget-locales/classic/en-...	149 ms	137 ms	3.0 ms
js.hscollectedforms.net/collectedforms.js	121 ms	105 ms	7.1 ms
static.ads-twitter.com/uwt.js	101 ms	94 ms	5.7 ms
badge.dimensions.ai/badge.js	95 ms	33 ms	54 ms
snap.licdn.com/li.lms-analytics/insight.min.js	89 ms	68 ms	17 ms
www.googletagmanager.com/gtag/js?id=UA-186918-1&cx=c&gtm=4e64k0	62 ms	27 ms	34 ms
js.hubspot.com/web-interactives-embed.js	58 ms	47 ms	8.0 ms
/assets/altmetric_badges-c21a2f91e3e5dbe0f15b5dce6a35bc21...	57 ms	41 ms	13 ms
www.googletagmanager.com/gtag/js?id=AW-1071448537	55 ms	23 ms	32 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	5.6 s
Style & Layout	1.2 s
Other	1.0 s
Script Parsing & Compilation	890 ms
Rendering	245 ms
Parse HTML & CSS	192 ms
Garbage Collection	157 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
/8b5f0effe65c/72fd6064c3cc/challenge.js	574.8 KiB
jmir.org/_nuxt/img/placeholder-news-and-perspectives.ef3be7c.jpg	285.5 KiB
static.zdassets.com/web_widget/classic/latest/web-widget-main-22a6ed7.js	261.0 KiB
www.googletagmanager.com/gtag/js?id=G-MEVSCZYLY0&cx=c&gtm=4e64k0	174.9 KiB
www.googletagmanager.com/gtag/js?id=G-YP0XNYBWWC&cx=c&gtm=4e64k0	171.5 KiB
www.googletagmanager.com/gtm.js?id=GTM-58BHBF4V	155.6 KiB
cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/webfonts/fa-solid-900.woff2	153.4 KiB
www.googletagmanager.com/gtag/js?id=AW-1071448537&cx=c&gtm=4e64k0	145.3 KiB
www.googletagmanager.com/gtag/js?id=AW-1071448537	145.3 KiB
app.enzuzo.com/scripts/cookiebar/aa022ba6-b337-11ef-b288-3fb59f57942d	131.1 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
JMIR Publications `div.corporate__logo > a > div > img.logo-img`	asset.jmir.pub/resources/images/logos/JMIR_logo.png
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
ORCID Member `li > p > a > img`	asset.jmir.pub/resources/images/partners/ORCID.jpg
PubMed `li > p > a > img`	/hubfs/19668141/00 Marketing/Logos/External logos for jou...
Committee on Publication Ethics `li > p > a > img`	asset.jmir.pub/resources/images/partners/cope.jpg
Open Access `ul > li > p > img`	asset.jmir.pub/resources/images/partners/open-access.jpg
Crossref Member `li > p > a > img`	asset.jmir.pub/resources/images/partners/crossref.jpg
TrendMD Member `li > p > a > img`	asset.jmir.pub/resources/images/partners/trend-MD.jpg
Open Access Scholarly Publishers Association `li > p > a > img`	asset.jmir.pub/resources/images/partners/oaspa.jpg

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

●Layout shift culprits

●Document request latency

●Optimize DOM size

●Modern HTTP

●Optimize viewport for mobile

●Minify CSS

●User Timing marks and measures 10 user timings

●Avoid long main-thread tasks 20 long tasks found

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 120 ms

●Server Backend Latencies 270 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 180 ms

●Avoid large layout shifts 3 layout shifts found

○INP breakdown

○LCP request discovery

○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.

Names and labels

When a button doesn't have an accessible name, screen readers announce it as "button", making it unusable for users who rely on screen readers. Learn how to make buttons more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
div.container > div.corporate > div.corporate__mobile-menu > button `div.container > div.corporate > div.corporate__mobile-menu > button`

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
li > p > a > img.image_resized `li > p > a > img.image_resized`
ul > li > p > img `ul > li > p > img`

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Contrast

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
our 5 partners `div.enzuzo-notification-text > div.enzuzo-notification-desc > span > a#ez-tcf-notification-message-vendors-link`
Privacy Policy ↗ `div.enzuzo-notification-text > div.enzuzo-notification-desc > span > a#notificationPolicyLink`
Manage preferences `div.ez-consent > div#ez-cookie-notification > div.enzuzo-notification-buttons > a#notificationManagerLink`

These are opportunities to improve the legibility of your content.

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
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Get Alerts `div.container > div.row > div.email-subscribtion-button > a`

○Interactive controls are keyboard focusable

○Interactive elements indicate their purpose and state

○The page has a logical tab order

○Visual order on the page follows DOM order

○User focus is not accidentally trapped in a region

○The user's focus is directed to new content added to the page

○HTML5 landmark elements are used to improve navigation

○Offscreen content is hidden from assistive technology

○Custom controls have associated labels

○Custom controls have ARIA roles

●`[aria-*]` attributes match their roles

●`[aria-hidden="true"]` is not present on the document `<body>`

●`[role]`s have all required `[aria-*]` attributes

●`[role]` values are valid

●`[aria-*]` attributes have valid values

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

●Form elements have associated labels

●`[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.

●`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

●Document has a `<title>` element

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

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

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

●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

●Skip links are focusable.

●Document has a main landmark.

●Deprecated ARIA roles were not used

●Identical links have the same purpose.

○`[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

○`<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

○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)
PubMed Central `li > p > a > img.image_resized`	/hubfs/19668141/00 Marketing/Logos/External logos for jou...	317 x 81 (3.91)	461 x 81 (5.69)

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 / Warning	Source
AttributionReporting	snap.licdn.com/li.lms-analytics/insight.min.js

●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

●Serves images with appropriate resolution

●Page has the HTML doctype

●Properly defines charset

●No browser errors logged to the console

●No issues in the `Issues` panel in Chrome Devtools

●Ensure CSP is effective against XSS attacks

●Use a strong HSTS policy

●Ensure proper origin isolation with COOP

●Mitigate clickjacking with XFO or CSP

●Mitigate DOM-based XSS with Trusted Types

●Detected JavaScript libraries

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Content Best Practices

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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 destination	Link Text
/submit-article-ideas-author-journalist-program?utm_sourc...	Learn More

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
li > p > a > img.image_resized `li > p > a > img.image_resized`
ul > li > p > img `ul > li > p > img`

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

Crawling and Indexing

Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uncrawlable Link
Crossref Member `ul > li > p > a`
Committee on Publication Ethics `ul > li > p > a`
Open Access Scholarly Publishers Association `ul > li > p > a`
TrendMD Member `ul > li > p > a`
PubMed `ul > li > p > a`
PubMed Central `ul > li > p > a`
`section.partners-wrapper > ul > li > a`

To appear in search results, crawlers need access to your app.

○Structured data is valid

●Page isn’t blocked from indexing

●Document has a `<title>` element

●Page has successful HTTP status code

●robots.txt is valid

●Document has a valid `hreflang`

○Document has a valid `rel=canonical`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

Performance

Accessibility

Best Practices

SEO

Core Web Vitals

Key metrics that affect user experience. — Desktop

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

1.40 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

5.10 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

424 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.244

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

1.92 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

6.11 s

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.

Why this matters

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more ▾

Source: Google web.dev / Lighthouse

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
app.enzuzo.com/scripts/cookiebar/aa022ba6-b337-11ef-b288-3fb59f57942d	3600.0 s	130.6 KiB
js.hs-analytics.net/analytics/1776887700000/19668141.js	300.0 s	42.7 KiB
js.hubspot.com/web-interactives-embed.js	600.0 s	28.5 KiB
js.hscollectedforms.net/collectedforms.js	300.0 s	26.4 KiB
js.hs-banner.com/v2/19668141/banner.js	300.0 s	24.4 KiB
www.google-analytics.com/analytics.js	7200.0 s	20.9 KiB
asset.jmir.pub/resources/images/partners/ORCID.jpg	0.0 ms	13.8 KiB
asset.jmir.pub/resources/images/partners/oaspa.jpg	0.0 ms	13.3 KiB
asset.jmir.pub/resources/images/logos/JMIR_logo.png	0.0 ms	12.1 KiB
asset.jmir.pub/resources/images/partners/trend-MD.jpg	0.0 ms	11.8 KiB
asset.jmir.pub/resources/images/partners/open-access.jpg	0.0 ms	11.1 KiB
asset.jmir.pub/resources/images/partners/crossref.jpg	0.0 ms	10.8 KiB
asset.jmir.pub/resources/images/partners/cope.jpg	0.0 ms	7.6 KiB
snap.licdn.com/li.lms-analytics/insight.min.js	86400.0 s	18.7 KiB
asset.jmir.pub/placeholder.svg	0.0 ms	6.1 KiB
static.zdassets.com/ekr/asset_composer.js	3600.0 s	4.7 KiB
js.hsadspixel.net/pixels.js	600.0 s	3.9 KiB
d1uo4w7k31k5mn.cloudfront.net/v2_hq/17.png	0.0 ms	2.2 KiB
d1uo4w7k31k5mn.cloudfront.net/v2_hq/22.png	0.0 ms	2.2 KiB
d1uo4w7k31k5mn.cloudfront.net/v2_hq/1.png	0.0 ms	2.2 KiB
js.hs-scripts.com/19668141.js	90.0 s	1.1 KiB
d1bxh8uas1mnw7.cloudfront.net/assets/embed.js	0.0 ms	1.0 KiB
/collect?v=2&fmt=js&pid=3149908&time=1776887975448&url=ht...	0.0 ms	694 B
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	6.7 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	5.5 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	5.2 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	5.0 KiB
/v1/internal-556fdf0f/doi/10.2196/97777?callback=_altmetr...	3600.0 s	483 B
/v1/internal-556fdf0f/doi/10.2196/82004?callback=_altmetr...	3600.0 s	455 B
/v1/internal-556fdf0f/doi/10.2196/89151?callback=_altmetr...	3600.0 s	431 B
/v1/internal-556fdf0f/doi/10.2196/98143?callback=_altmetr...	3600.0 s	429 B
/v1/internal-556fdf0f/doi/10.2196/87542?callback=_altmetr...	3600.0 s	427 B
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	3.4 KiB
/v1/internal-556fdf0f/doi/10.2196/79928?callback=_altmetr...	3600.0 s	425 B
/v1/internal-556fdf0f/doi/10.2196/86097?callback=_altmetr...	3600.0 s	424 B
/v1/internal-556fdf0f/doi/10.2196/80500?callback=_altmetr...	3600.0 s	423 B
/v1/internal-556fdf0f/doi/10.2196/87198?callback=_altmetr...	3600.0 s	416 B
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	3.3 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	2.9 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	2.9 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	2.8 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	2.2 KiB
/hubfs/19668141/00 Marketing/Logos/External logos for jou...	1209600.0 s	2.2 KiB
/v.gif?cd=0&a=544689&d=jmir.org&u=DC67936617867866597297E...	43200.0 s	145 B

Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]

items: [map[node:map[type:text value:Total] score:0.243596] map[node:map[boundingRect:map[bottom:6672 height:6540 left:0 right:1350 top:132 width:1350] lhId:page-1-DIV nodeLabel:Journal of Medical Internet Research The leading peer-reviewed journal for dig… path:1,HTML,1,BODY,2,DIV,1,DIV,0,DIV,5,DIV,0,DIV,1,DIV selector:div#jmir-html > div#main-layout-container > div > div.container-fluid snippet:<div class="container-fluid" style="padding: 0px;"> type:node] score:0.243265 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:78 height:78 left:120 right:460 top:0 width:340] lhId:page-10-IMG nodeLabel:JMIR Publications path:1,HTML,1,BODY,2,DIV,1,DIV,0,DIV,5,DIV,0,DIV,0,DIV,0,HEADER,0,SECTION,0,NAV,0,DIV,0,HEADER,0,SECTION,0,DIV,1,DIV,0,DIV,0,A,0,DIV,0,IMG selector:div.corporate__logo > a > div > img.logo-img snippet:<img src="https://asset.jmir.pub/resources/images/logos/JMIR_logo.png" alt="JMIR Publications" class="logo-img"> type:node]]] type:subitems]] map[score:0.000331 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:78 height:78 left:120 right:460 top:0 width:340] lhId:page-10-IMG nodeLabel:JMIR Publications path:1,HTML,1,BODY,2,DIV,1,DIV,0,DIV,5,DIV,0,DIV,0,DIV,0,HEADER,0,SECTION,0,NAV,0,DIV,0,HEADER,0,SECTION,0,DIV,1,DIV,0,DIV,0,A,0,DIV,0,IMG selector:div.corporate__logo > a > div > img.logo-img snippet:<img src="https://asset.jmir.pub/resources/images/logos/JMIR_logo.png" alt="JMIR Publications" class="logo-img"> type:node]]] type:subitems]]]

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.

URL	Est Savings
cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/webfonts/fa-solid-900.woff2	130 ms
cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/webfonts/fa-brands-400.woff2	35 ms

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:71.256 source:map[type:text value:[unattributed]]] map[reflowTime:0.608 source:map[column:86058 line:68 type:source-location url:https://js.hs-analytics.net/analytics/1776887700000/19668141.js urlProvider:network]] map[reflowTime:13.036 source:map[column:15077 line:0 type:source-location url:https://jmir.org/_nuxt/16f5249.js urlProvider:network]] map[reflowTime:28.736 source:map[column:8784 line:1 type:source-location url:https://jmir.org/_nuxt/90f100e.js urlProvider:network]]]

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: div > div.slider

path: 0,DIV

selector: div > div.slider

snippet: <div data-v-2d93858b="" class="slider slide" style="">

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.

title: Preconnected origins

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

title: Preconnect candidates

Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size	Duration
/css?family=Roboto:100,100i,300,300i,400,400i,500,500i,70...	2.9 KiB	268 ms
js.hs-scripts.com/19668141.js	1.1 KiB	259 ms
cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css	19.1 KiB	324 ms
/ajax/libs/twitter-bootstrap/4.3.1/css/bootstrap-grid.min...	3.5 KiB	265 ms

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
JMIR Publications `div.corporate__logo > a > div > img.logo-img`	asset.jmir.pub/resources/images/logos/JMIR_logo.png	11.7 KiB	10.7 KiB

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.

Element	Layout shift score
Journal of Medical Internet Research The leading peer-reviewed journal for dig… `div#jmir-html > div#main-layout-container > div > div.container-fluid`	0.243
	0.000

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: 160 ms 91.0 KiB

URL	Transfer Size	Est Savings
badge.dimensions.ai/badge.css	35.6 KiB	35.6 KiB
.mt-0{margin-top:0!important} …	26.6 KiB	24.1 KiB
cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css	18.5 KiB	18.3 KiB
@keyframes slideBottom{0%{transform:translateY(100%)} …	14.2 KiB	13.1 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

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more ▾

Source: Google web.dev / Lighthouse

Estimated savings: 620 ms 975.9 KiB

URL	Transfer Size	Est Savings
8b5f0effe65c.us-east-2.sdk.awswaf.com/8b5f0effe65c/72fd6064c3cc/challenge.js	574.2 KiB	297.9 KiB
static.zdassets.com/web_widget/classic/latest/web-widget-main-22a6ed7.js	260.5 KiB	110.9 KiB
www.googletagmanager.com/gtag/js?id=AW-1071448537&cx=c&gtm=4e64k0	145.4 KiB	106.4 KiB
www.googletagmanager.com/gtag/js?id=UA-186918-1&cx=c&gtm=4e64k0	124.8 KiB	90.6 KiB
www.googletagmanager.com/gtag/js?id=G-YP0XNYBWWC&cx=c&gtm=4e64k0	171.4 KiB	69.3 KiB
www.googletagmanager.com/gtag/js?id=G-MEVSCZYLY0&cx=c&gtm=4e64k0	174.9 KiB	68.3 KiB
www.googletagmanager.com/gtag/js?id=AW-1071448537	145.4 KiB	63.7 KiB
www.googletagmanager.com/gtag/js?id=UA-186918-1&l=dataLayer	124.8 KiB	61.3 KiB
www.googletagmanager.com/gtm.js?id=GTM-58BHBF4V	155.2 KiB	60.1 KiB
jmir.org/_nuxt/5b4af9a.js	37.4 KiB	23.9 KiB
badge.dimensions.ai/badge.js	80.8 KiB	23.7 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
jmir.org/	423 ms	9.3 ms	9.8 ms
jmir.org/_nuxt/cceee7c.js	345 ms	282 ms	0.7 ms
8b5f0effe65c.us-east-2.sdk.awswaf.com/8b5f0effe65c/72fd6064c3cc/challenge.js	334 ms	274 ms	33 ms
Unattributable	183 ms	14 ms	0.0 ms
js.hs-analytics.net/analytics/1776887700000/19668141.js	182 ms	130 ms	2.7 ms
cdn.jsdelivr.net/npm/@iabtechlabtcf/core@1.5.20/+esm	165 ms	148 ms	0.1 ms
static.zdassets.com/web_widget/classic/latest/web-widget-main-22a6ed7.js	165 ms	133 ms	20 ms
www.googletagmanager.com/gtag/js?id=G-MEVSCZYLY0&cx=c&gtm=4e64k0	90 ms	77 ms	12 ms
www.googletagmanager.com/gtm.js?id=GTM-58BHBF4V	85 ms	71 ms	12 ms
www.googletagmanager.com/gtag/js?id=G-YP0XNYBWWC&cx=c&gtm=4e64k0	70 ms	56 ms	13 ms
app.enzuzo.com/scripts/cookiebar/aa022ba6-b337-11ef-b288-3fb59f57942d	68 ms	51 ms	15 ms
www.googletagmanager.com/gtag/js?id=AW-1071448537	50 ms	36 ms	14 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	1.5 s
Style & Layout	363 ms
Other	250 ms
Script Parsing & Compilation	241 ms
Rendering	83 ms
Parse HTML & CSS	56 ms
Garbage Collection	32 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.

Estimated savings: 0.0 ms 18.7 KiB

URL	Transfer Size	Est Savings
badge.dimensions.ai/badge.js	80.8 KiB	18.7 KiB

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
/8b5f0effe65c/72fd6064c3cc/challenge.js	574.6 KiB
jmir.org/_nuxt/img/placeholder-news-and-perspectives.ef3be7c.jpg	285.6 KiB
static.zdassets.com/web_widget/classic/latest/web-widget-main-22a6ed7.js	261.0 KiB
www.googletagmanager.com/gtag/js?id=G-MEVSCZYLY0&cx=c&gtm=4e64k0	174.9 KiB
www.googletagmanager.com/gtag/js?id=G-YP0XNYBWWC&cx=c&gtm=4e64k0	171.5 KiB
www.googletagmanager.com/gtm.js?id=GTM-58BHBF4V	155.6 KiB
cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/webfonts/fa-solid-900.woff2	153.5 KiB
www.googletagmanager.com/gtag/js?id=AW-1071448537&cx=c&gtm=4e64k0	145.4 KiB
www.googletagmanager.com/gtag/js?id=AW-1071448537	145.4 KiB
app.enzuzo.com/scripts/cookiebar/aa022ba6-b337-11ef-b288-3fb59f57942d	130.6 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
JMIR Publications `div.corporate__logo > a > div > img.logo-img`	asset.jmir.pub/resources/images/logos/JMIR_logo.png
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
Article Thumbnail `div.card-header > div.card-img > div > img.lazyLoad`	asset.jmir.pub/placeholder.svg
ORCID Member `li > p > a > img`	asset.jmir.pub/resources/images/partners/ORCID.jpg
PubMed `li > p > a > img`	/hubfs/19668141/00 Marketing/Logos/External logos for jou...
Committee on Publication Ethics `li > p > a > img`	asset.jmir.pub/resources/images/partners/cope.jpg
Open Access `ul > li > p > img`	asset.jmir.pub/resources/images/partners/open-access.jpg
Crossref Member `li > p > a > img`	asset.jmir.pub/resources/images/partners/crossref.jpg
TrendMD Member `li > p > a > img`	asset.jmir.pub/resources/images/partners/trend-MD.jpg
Open Access Scholarly Publishers Association `li > p > a > img`	asset.jmir.pub/resources/images/partners/oaspa.jpg

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

●Document request latency

●Optimize DOM size

●LCP breakdown

●Modern HTTP

●Optimize viewport for mobile

●Minify CSS

●User Timing marks and measures 10 user timings

●Avoid long main-thread tasks 7 long tasks found

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 120 ms

●Server Backend Latencies 210 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 180 ms

○INP breakdown

○Avoid non-composited animations

Accessibility

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
our 5 partners `div.enzuzo-notification-text > div.enzuzo-notification-desc > span > a#ez-tcf-notification-message-vendors-link`
Privacy Policy ↗ `div.enzuzo-notification-text > div.enzuzo-notification-desc > span > a#notificationPolicyLink`
Manage preferences `div.ez-consent > div#ez-cookie-notification > div.enzuzo-notification-buttons > a#notificationManagerLink`

These are opportunities to improve the legibility of your content.

Names and labels

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
li > p > a > img.image_resized `li > p > a > img.image_resized`
ul > li > p > img `ul > li > p > img`

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
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Peer Review Me `div.peer-review-cards > div.peer-review-card > div.peer-review-footer > a.btn`
Get Alerts `div.container > div.row > div.email-subscribtion-button > a`

○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

●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.

●`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

●Document has a `<title>` element

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

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

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

●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

●Skip links are focusable.

●Document has a main landmark.

●Deprecated ARIA roles were not used

●Identical links have the same purpose.

○`[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

○`<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

○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

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 / Warning	Source
AttributionReporting	snap.licdn.com/li.lms-analytics/insight.min.js

●Uses HTTPS

●Avoids third-party cookies

●Allows users to paste into input fields

●Avoids requesting the geolocation permission on page load

●Avoids requesting the notification permission on page load

●Displays images with correct aspect ratio

●Serves images with appropriate resolution

●Page has the HTML doctype

●Properly defines charset

●No browser errors logged to the console

●No issues in the `Issues` panel in Chrome Devtools

●Ensure CSP is effective against XSS attacks

●Use a strong HSTS policy

●Ensure proper origin isolation with COOP

●Mitigate clickjacking with XFO or CSP

●Mitigate DOM-based XSS with Trusted Types

●Detected JavaScript libraries

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

SEO

Content Best Practices

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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 destination	Link Text
/submit-article-ideas-author-journalist-program?utm_sourc...	Learn More

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
li > p > a > img.image_resized `li > p > a > img.image_resized`
ul > li > p > img `ul > li > p > img`

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

Crawling and Indexing

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uncrawlable Link
Crossref Member `ul > li > p > a`
Committee on Publication Ethics `ul > li > p > a`
Open Access Scholarly Publishers Association `ul > li > p > a`
TrendMD Member `ul > li > p > a`
PubMed `ul > li > p > a`
PubMed Central `ul > li > p > a`
`section.partners-wrapper > ul > li > a`

To appear in search results, crawlers need access to your app.

○Structured data is valid

●Page isn’t blocked from indexing

●Document has a `<title>` element

●Page has successful HTTP status code

●robots.txt is valid

●Document has a valid `hreflang`

○Document has a valid `rel=canonical`

Results for https://jmir.org

Site Health

How you compare

Top Priorities (5)

Fix Priority Matrix

Quick Wins

Strategic

Easy Improvements

Deprioritize

What fixing these means

Conversion Barriers

Speed (2)

Trust (3)

Content (2)

Navigation (1)

Return on Investment

Investment

Monthly returns

Regulatory risk avoided

Estimated Remediation Cost

Cost by category

Cost by effort level

What Inaction Is Costing You

Compliance Risk

Bandwidth Waste

Lighthouse Scores

Core Web Vitals

Detailed Report

Performance

Insights

Diagnostics

Accessibility

Names and labels

Contrast

Best Practices

User Experience

General

SEO

Content Best Practices

Crawling and Indexing

Lighthouse Scores

Core Web Vitals

Detailed Report

Performance

Insights

Diagnostics

Accessibility

Contrast

Names and labels

Best Practices

General

SEO

Content Best Practices

Crawling and Indexing

Keyboard Shortcuts