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Audit Complete

Results for https://mailchimp.com

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SaaS / Software · estimated Tracking: signups
Spain Spain · Madrid Completed: Apr 16, 2026 17:59 UTC
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Mobile 375 × 812

Screenshot of the audited page (Mobile 375×812)

Desktop 1440 × 900

Screenshot of the audited page (Desktop 1440×900)
C74

Site Health

Score: 74 / 100

Based on 8 categories, 0 sections

Decent speed, but optimizing further could improve engagement.

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.

Mostly compliant — a few items need attention.

Rich content metadata — your pages look great everywhere.

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

Akamai Bot Manager sites average 71
At average
Better than 78% of Akamai Bot Manager sites See full Akamai Bot Manager benchmark →
Apple sites average 73
At average
Better than 50% of Apple sites See full Apple benchmark →

Top Priorities (5)

1

Content-Security-Policy header is missing

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

Security › Security Headers
2

Cookie '_mc_anon_id' is missing the Secure flag

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

Security › Cookie Security
3

Cookie '_mcid' is missing the Secure flag

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

Security › Cookie Security
4

Cookie 'bm_sz' is missing the Secure flag

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

Security › Cookie Security
5

HSTS header is missing

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

Security › Security Headers
View fix priority matrix

Fix Priority Matrix

5 findings

Quick Wins

5

High impact, low effort — start here.

Strategic

0

High impact, requires investment.

Nothing in this quadrant — good news.

Easy Improvements

0

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

0

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →
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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.

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

Conversion Barriers

2 critical 5 warning

7 barrier(s) likely increasing bounce by ~29%.

Speed (2)

Page takes 17.4s to load

+12% bounce

Users abandon at ~3s — you're 14.9s over the 2.5s threshold

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

Page feels frozen for 2.6s

+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 (2)

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 (1)

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 (2)

No skip-to-content link

+1% bounce

Keyboard and screen-reader users must tab through the entire header on every page

Fix: Add a visible-on-focus <a href="#main">Skip to content</a> as the first focusable element

2 broken link(s) on the page

+3% 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

$250 investment → $0.70/month returns + USD 157,500 risk avoided

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

Investment

$250

2h · 5 findings

Monthly returns

$0.70 /mo

~$8.37 / year

  • Bandwidth savings $0.70

Regulatory risk avoided

USD 157,500

if kept compliant

  • ADA Title III USD 150,000
  • CCPA/CPRA USD 7,500

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

$250

2.5 developer hours at $100/hr

Based on United States rates ($100/hr)

Quick wins
$250 5 fixes in ~150 minutes

Start here for the best return on investment

Cost by category

Cost by effort level

Adjust assumptions
$ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

$13,126 / month at risk

~$157,508 / year if left unfixed

Compliance Risk

$157,500

ADA Title IIICCPA/CPRA
  • No privacy policy link detected
    CCPA/CPRA: USD 2,500 – USD 7,500
  • Trackers detected but no cookie policy found
    CCPA/CPRA: USD 2,500 – USD 7,500
  • Trackers detected but no privacy policy found
    CCPA/CPRA: USD 2,500 – USD 7,500

+3 more

Bandwidth Waste

$0.70 /mo

8720.4 MB/mo × 0.080 USD/GB

  • Optimize transfer: save ~872 KB per page load
    Saves $0.70/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

Unique monthly visitors from your analytics

Purchases, signups, or key actions

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

Was this report useful?

Thanks for your feedback!

We'll use a cached audit if available, or offer to scan.

Checking for existing audit...

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

29
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
100
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
100
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
85
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

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.

4.18 s

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

17.43 s

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

2.61 s

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

0.000

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

9.89 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.

23.09 s

Detailed Report

Audit breakdown by category with detailed findings.

29

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.

RequestCache TTLTransfer Size
/SZylnW2i/Q1o/U0g/yfIMl6TXuv/buu5zhb6XQtVGzr9Y9/fSZnAQ/Wl...21600.0 s178.7 KiB
cdn.cookielaw.org/scripttemplates/202601.2.0/otBannerSdk.js86400.0 s128.4 KiB
mailchimp.com/release/plums/cxp/js/index.8ec0f68b.1.js3600.0 s62.6 KiB
mailchimp.com/release/plums/cxp/css/critical.ccd7080a.1.css3600.0 s53.2 KiB
mailchimp.com/release/plums/f503b10a8b819ad9.woff23600.0 s40.6 KiB
mailchimp.com/release/plums/chunks/js/617.d16728ceeab07901.1.js3600.0 s38.1 KiB
/analytics.js/v1/XW9BLqe2lnNnSxE3BHbGk42LMyT7wdIf/analyti...120.0 s30.0 KiB
mailchimp.com/release/plums/b4358c1049ee69f4.woff23600.0 s36.3 KiB
mailchimp.com/release/plums/c477e5e371f1219d.woff23600.0 s35.2 KiB
mailchimp.com/release/plums/ea9371020395bcec.woff23600.0 s34.5 KiB
mailchimp.com/release/plums/659baf8b2573503b.woff23600.0 s32.2 KiB
mailchimp.com/release/plums/cxp/js/experiment-loader.52c71e66.1.js3600.0 s28.5 KiB
ob.herbgreencolumn.com/i/52a636366034da11f1359c540cba8584.js43200.0 s44.6 KiB
bat.bing.com/p/insights/s/0.8.590.0 ms15.6 KiB
mailchimp.com/release/plums/cxp/css/below-fold.59a5b7cd.1.css3600.0 s16.2 KiB
mailchimp.com/release/plums/chunks/js/6651.9f18b7c12b38e2b9.1.js3600.0 s11.1 KiB
schema-cf.bc0a.com/corejs/be-schema-v3.js0.0 ms7.8 KiB
mailchimp.com/release/plums/cxp/css/page_specific/p23-less.039977e3.1.css3600.0 s9.1 KiB
mailchimp.com/release/plums/cxp/css/common.baa76501.1.css3600.0 s8.0 KiB
mailchimp.com/release/plums/chunks/js/7100.d3a7005ffd99d1cb.1.js3600.0 s7.8 KiB
mailchimp.com/release/plums/chunks/js/7985.85145d681b2a9a58.1.js3600.0 s7.7 KiB
s2.go-mpulse.net/boomerang/QAT5G-9HZLF-7EDMX-YMVCJ-QZJDA604800.0 s58.1 KiB
mailchimp.com/release/plums/chunks/js/1422.5dbd381bbabb27ea.1.js3600.0 s6.3 KiB
mailchimp.com/release/plums/chunks/js/5385.5023dc854761a818.1.js3600.0 s5.8 KiB
mailchimp.com/release/plums/chunks/js/4798.44f484df06d74488.1.js3600.0 s5.6 KiB
mailchimp.com/release/plums/chunks/js/1590.44ae13401a6e6522.1.js3600.0 s4.8 KiB
mailchimp.com/release/plums/chunks/js/4073.af84b0e996c9801d.1.js3600.0 s4.7 KiB
cdn.cookielaw.org/scripttemplates/otSDKStub.js86400.0 s9.1 KiB
mailchimp.com/release/plums/chunks/js/4275.76287b419f920044.1.js3600.0 s3.6 KiB
mailchimp.com/release/plums/chunks/js/7385.aebe03774601e461.1.js3600.0 s3.3 KiB
/release/plums/cxp/css/presenters/modules/single_plan-les...3600.0 s3.2 KiB
mailchimp.com/release/plums/chunks/js/3958.3ada252604f712b4.1.js3600.0 s3.2 KiB
mailchimp.com/release/plums/chunks/js/3424.9094cdac60158bf0.1.js3600.0 s2.8 KiB
mailchimp.com/release/plums/chunks/js/2362.497d7b0126126ba7.1.js3600.0 s2.8 KiB
/release/dist/js-src/ecs/cookie-preferences-manager.20fc3...3600.0 s2.6 KiB
/release/plums/cxp/css/presenters/modules/p23_flexible_hi...3600.0 s2.6 KiB
mailchimp.com/release/plums/chunks/js/8343.dda4b9696987b0e7.1.js3600.0 s2.4 KiB
mailchimp.com/release/plums/chunks/js/7469.d76f7dbf128d1a99.1.js3600.0 s2.2 KiB
mailchimp.com/release/plums/chunks/js/9692.6da4fe016889b4ba.1.js3600.0 s2.2 KiB
mailchimp.com/release/plums/chunks/js/4683.1bd336126971ff67.1.js3600.0 s2.2 KiB
mailchimp.com/release/plums/chunks/js/3156.d695fc9ff6590dfc.1.js3600.0 s2.1 KiB
/release/plums/cxp/css/presenters/modules/p23_horizontal_...3600.0 s2.1 KiB
mailchimp.com/release/plums/chunks/js/3490.bc326adaa2e5c259.1.js3600.0 s2.0 KiB
mailchimp.com/release/plums/chunks/js/1103.4b9bd80e6ee6da32.1.js3600.0 s2.0 KiB
mailchimp.com/release/plums/chunks/js/9867.d975c5221e4e7f03.1.js3600.0 s1.9 KiB
mailchimp.com/release/plums/chunks/js/6773.529814217176400f.1.js3600.0 s1.9 KiB
/logos/e386905c-240c-45e6-9cba-96e9d7c4775f/4412abc8-456f...86400.0 s3.4 KiB
mailchimp.com/release/plums/chunks/js/7941.1a419c2d0b281956.1.js3600.0 s1.7 KiB
mailchimp.com/release/plums/chunks/js/7746.1b458a9abdc97c6f.1.js3600.0 s1.7 KiB
mailchimp.com/release/plums/chunks/js/8175.49a75e36ab551751.1.js3600.0 s1.6 KiB
mailchimp.com/release/plums/chunks/js/2561.3c9b430f4d0f8202.1.js3600.0 s1.6 KiB
mailchimp.com/release/plums/chunks/js/102.282d345da7189423.1.js3600.0 s1.6 KiB
mailchimp.com/release/plums/chunks/js/7163.192d2384eafbdc57.1.js3600.0 s1.6 KiB
mailchimp.com/release/plums/chunks/js/6482.0dcf03ed828285d5.1.js3600.0 s1.5 KiB
mailchimp.com/release/plums/chunks/js/1263.af23bbfd07bb8b25.1.js3600.0 s1.5 KiB
cdn.cookielaw.org/logos/static/powered_by_logo.svg86400.0 s2.6 KiB
mailchimp.com/release/plums/chunks/js/6195.00bb071b4bee9eec.1.js3600.0 s1.3 KiB
mailchimp.com/release/plums/chunks/js/2130.f73af14d1d72975c.1.js3600.0 s1.2 KiB
/release/plums/cxp/css/presenters/modules/logo_carousel-l...3600.0 s1.1 KiB
/release/plums/cxp/css/presenters/modules/p23_stacking_hi...3600.0 s1.1 KiB
mailchimp.com/release/plums/chunks/js/9542.2bc12e721e72cacf.1.js3600.0 s1018 B
mailchimp.com/release/plums/3579da9be0d87b6f.svg3600.0 s772 B
/release/plums/cxp/css/presenters/modules/dual_plan_modul...3600.0 s757 B
mailchimp.com/release/plums/d587a00f04ec1dd3.svg3600.0 s757 B
mailchimp.com/release/plums/a1523f19694530bd.svg3600.0 s750 B
/release/dist/js-src/ecs/cookie-preferences-manager.20fc3...3600.0 s0 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.

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:76.497 source:map[column:262362 line:0 type:source-location url:https://mailchimp.com/SZylnW2i/Q1o/U0g/yfIMl6TXuv/buu5zhb6XQtVGzr9Y9/fSZnAQ/Wl8qPl9I/IHgB urlProvider:network]]]

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:375.316 label:Time to first byte subpart:timeToFirstByte] map[duration:2161.081 label:Element render delay subpart:elementRenderDelay]]
lhId: page-0-H1
nodeLabel: Marketing impulsado por datos sin la complejidad
path: 1,HTML,1,BODY,8,MAIN,0,DIV,0,DIV,0,SECTION,0,DIV,0,DIV,0,DIV,1,H1
selector: div.layout > div.module--content > div.multiItemCollectionContainer > h1.h1
snippet: <h1 class="h1">

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

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
div.module--content > div.imageContainer > picture > img div.module--content > div.imageContainer > picture > img
/ctf/images/yzco4xsimv0y/704aBG4uuF1aALJjQzDjHr/3ef708887...18.4 KiB16.1 KiB
A wide collection of app and platform logos, each representing an integration b… a.p23hg__itemCta > figure > picture > img
/ctf/images/yzco4xsimv0y/7sSv490NvNyEHXIVqUQM3q/b3fef4cd5...19.2 KiB15.7 KiB

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

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 802 ms
URLTime Spent
mailchimp.com/802 ms
mailchimp.com/es/0.0 ms

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 450 ms 86.2 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

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.

URLTotal CPU TimeScript EvaluationScript Parse
mailchimp.com/es/1.2 s29 ms19 ms
/SZylnW2i/Q1o/U0g/yfIMl6TXuv/buu5zhb6XQtVGzr9Y9/fSZnAQ/Wl...1.1 s743 ms46 ms
Unattributable959 ms94 ms0.0 ms
mailchimp.com/metrics/?id=951 ms865 ms63 ms
ob.herbgreencolumn.com/i/52a636366034da11f1359c540cba8584.js558 ms424 ms12 ms
mailchimp.com/release/plums/cxp/js/index.8ec0f68b.1.js522 ms415 ms25 ms
cdn.cookielaw.org/scripttemplates/202601.2.0/otBannerSdk.js464 ms357 ms47 ms
mailchimp.com/metrics/?id=AW-947197597&cx=c&gtm=4e64f0390 ms335 ms52 ms
/ct?id=40275&url=https%3A%2F%2Fmailchimp.com%2Fes%2F%3Fcu...390 ms368 ms1.6 ms
s2.go-mpulse.net/boomerang/QAT5G-9HZLF-7EDMX-YMVCJ-QZJDA338 ms80 ms29 ms
mailchimp.com/release/plums/cxp/js/experiment-loader.52c71e66.1.js311 ms271 ms9.6 ms
mailchimp.com/metrics/gtd?id=G-N5HD1RTH6E&cx=c&gtm=4e64f0300 ms208 ms74 ms
mailchimp.com/release/plums/chunks/js/2362.497d7b0126126ba7.1.js284 ms256 ms0.5 ms
mailchimp.com/release/plums/chunks/js/3156.d695fc9ff6590dfc.1.js256 ms197 ms0.4 ms
plugin.intuitcdn.net/web-shell/5.60.1/integration/2755.js237 ms222 ms6.0 ms
mailchimp.com/metrics/?id=DC-9894771&cx=c&gtm=4e64f0208 ms177 ms28 ms
mailchimp.com/metrics/?id=GTM-5XRCGV8&gtm=4e64f0129 ms68 ms61 ms
mailchimp.com/release/plums/chunks/js/3424.9094cdac60158bf0.1.js117 ms114 ms1.4 ms
mailchimp.com/metrics/?id=GTM-59GS5R2&gtm=4e64f0112 ms65 ms46 ms
unpkg.com/web-vitals@5.0.1/dist/web-vitals.attribution.iife.js91 ms87 ms0.9 ms
plugin.intuitcdn.net/web-shell/5.60.1/integration/8061.js81 ms78 ms1.4 ms
plugin.intuitcdn.net/web-shell/5.60.1/integration/7151.js80 ms75 ms4.7 ms
plugin.intuitcdn.net/web-shell/5.60.1/integration/web-shell-integration.js65 ms61 ms1.5 ms
plugin.intuitcdn.net/web-shell/5.60.1/integration/3935.js50 ms41 ms9.2 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.

CategoryTime Spent
Script Evaluation6.1 s
Other1.6 s
Style & Layout861 ms
Script Parsing & Compilation687 ms
Rendering440 ms
Garbage Collection135 ms
Parse HTML & CSS134 ms

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

Layout shift culprits
Optimize DOM size
Font display
Modern HTTP
Optimize viewport for mobile
Minify CSS
Minify JavaScript
User Timing marks and measures 25 user timings
Avoid long main-thread tasks 20 long tasks found
Avoid non-composited animations 1 animated element found
Image elements have explicit `width` and `height`
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 130 ms
Server Backend Latencies 510 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 40 ms
INP breakdown
LCP request discovery
Avoid large layout shifts
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.

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
Iniciar prueba gratis div.singlePlanCard__column > div.ctaBuyNowWrapper > div.margin--bottom-c3 > a.ctaBuyNow
Conozca más div.stackingHighlight__block > div.stackingHighlight__block__media > div.flex > a.ctaArrow
Cookie Statement. div#onetrust-group-container > div#onetrust-policy > div#onetrust-policy-text > a.ot-cookie-policy-link
Interactive controls are keyboard focusable
Interactive elements indicate their purpose and state
The page has a logical tab order
Visual order on the page follows DOM order
User focus is not accidentally trapped in a region
The user's focus is directed to new content added to the page
HTML5 landmark elements are used to improve navigation
Offscreen content is hidden from assistive technology
Custom controls have associated labels
Custom controls have ARIA roles
`[aria-*]` 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.
Select elements have associated label elements.
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
Elements with the `role=text` attribute do not have focusable descendents.
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
`[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 an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[role]`s are contained by their required parent element
ARIA toggle fields have accessible names
ARIA `tooltip` elements have accessible names
ARIA `treeitem` elements have accessible names
The page contains a heading, skip link, or landmark region
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Definition list items are wrapped in `<dl>` elements
ARIA IDs are unique
No form fields have multiple labels
`<frame>` or `<iframe>` elements have a title
`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
Input buttons have discernible text.
`<input type="image">` elements have `[alt]` text
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
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.
Identical links have the same purpose.
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.
100

Best Practices

General

Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLMap URL
/SZylnW2i/Q1o/U0g/yfIMl6TXuv/buu5zhb6XQtVGzr9Y9/fSZnAQ/Wl...
mailchimp.com/metrics/gtd?id=G-N5HD1RTH6E&cx=c&gtm=4e64f0
mailchimp.com/metrics/?id=
mailchimp.com/release/plums/cxp/js/index.8ec0f68b.1.jsmailchimp.com/release/plums/cxp/js/index.8ec0f68b.1.js.map
mailchimp.com/release/plums/cxp/js/experiment-loader.52c71e66.1.jsmailchimp.com/release/plums/cxp/js/experiment-loader.52c71e66.1.js.map
mailchimp.com/release/plums/chunks/js/9867.d975c5221e4e7f03.1.jsmailchimp.com/release/plums/chunks/js/9867.d975c5221e4e7f03.1.js.map
mailchimp.com/release/plums/chunks/js/9692.6da4fe016889b4ba.1.jsmailchimp.com/release/plums/chunks/js/9692.6da4fe016889b4ba.1.js.map
mailchimp.com/release/plums/chunks/js/9542.2bc12e721e72cacf.1.jsmailchimp.com/release/plums/chunks/js/9542.2bc12e721e72cacf.1.js.map
mailchimp.com/release/plums/chunks/js/8343.dda4b9696987b0e7.1.jsmailchimp.com/release/plums/chunks/js/8343.dda4b9696987b0e7.1.js.map
mailchimp.com/release/plums/chunks/js/8175.49a75e36ab551751.1.jsmailchimp.com/release/plums/chunks/js/8175.49a75e36ab551751.1.js.map
mailchimp.com/release/plums/chunks/js/7985.85145d681b2a9a58.1.jsmailchimp.com/release/plums/chunks/js/7985.85145d681b2a9a58.1.js.map
mailchimp.com/release/plums/chunks/js/7941.1a419c2d0b281956.1.jsmailchimp.com/release/plums/chunks/js/7941.1a419c2d0b281956.1.js.map
mailchimp.com/release/plums/chunks/js/7746.1b458a9abdc97c6f.1.jsmailchimp.com/release/plums/chunks/js/7746.1b458a9abdc97c6f.1.js.map
mailchimp.com/release/plums/chunks/js/7469.d76f7dbf128d1a99.1.jsmailchimp.com/release/plums/chunks/js/7469.d76f7dbf128d1a99.1.js.map
mailchimp.com/release/plums/chunks/js/7385.aebe03774601e461.1.jsmailchimp.com/release/plums/chunks/js/7385.aebe03774601e461.1.js.map
mailchimp.com/release/plums/chunks/js/7163.192d2384eafbdc57.1.jsmailchimp.com/release/plums/chunks/js/7163.192d2384eafbdc57.1.js.map
mailchimp.com/release/plums/chunks/js/7100.d3a7005ffd99d1cb.1.jsmailchimp.com/release/plums/chunks/js/7100.d3a7005ffd99d1cb.1.js.map
mailchimp.com/release/plums/chunks/js/6773.529814217176400f.1.jsmailchimp.com/release/plums/chunks/js/6773.529814217176400f.1.js.map
mailchimp.com/release/plums/chunks/js/6651.9f18b7c12b38e2b9.1.jsmailchimp.com/release/plums/chunks/js/6651.9f18b7c12b38e2b9.1.js.map
mailchimp.com/release/plums/chunks/js/6482.0dcf03ed828285d5.1.jsmailchimp.com/release/plums/chunks/js/6482.0dcf03ed828285d5.1.js.map
mailchimp.com/release/plums/chunks/js/6195.00bb071b4bee9eec.1.jsmailchimp.com/release/plums/chunks/js/6195.00bb071b4bee9eec.1.js.map
mailchimp.com/release/plums/chunks/js/617.d16728ceeab07901.1.jsmailchimp.com/release/plums/chunks/js/617.d16728ceeab07901.1.js.map
mailchimp.com/release/plums/chunks/js/5385.5023dc854761a818.1.jsmailchimp.com/release/plums/chunks/js/5385.5023dc854761a818.1.js.map
mailchimp.com/release/plums/chunks/js/4798.44f484df06d74488.1.jsmailchimp.com/release/plums/chunks/js/4798.44f484df06d74488.1.js.map
mailchimp.com/release/plums/chunks/js/4683.1bd336126971ff67.1.jsmailchimp.com/release/plums/chunks/js/4683.1bd336126971ff67.1.js.map
mailchimp.com/release/plums/chunks/js/4275.76287b419f920044.1.jsmailchimp.com/release/plums/chunks/js/4275.76287b419f920044.1.js.map
mailchimp.com/release/plums/chunks/js/4073.af84b0e996c9801d.1.jsmailchimp.com/release/plums/chunks/js/4073.af84b0e996c9801d.1.js.map
mailchimp.com/release/plums/chunks/js/3958.3ada252604f712b4.1.jsmailchimp.com/release/plums/chunks/js/3958.3ada252604f712b4.1.js.map
mailchimp.com/release/plums/chunks/js/3490.bc326adaa2e5c259.1.jsmailchimp.com/release/plums/chunks/js/3490.bc326adaa2e5c259.1.js.map
mailchimp.com/release/plums/chunks/js/3424.9094cdac60158bf0.1.jsmailchimp.com/release/plums/chunks/js/3424.9094cdac60158bf0.1.js.map
mailchimp.com/release/plums/chunks/js/3156.d695fc9ff6590dfc.1.jsmailchimp.com/release/plums/chunks/js/3156.d695fc9ff6590dfc.1.js.map
mailchimp.com/release/plums/chunks/js/2561.3c9b430f4d0f8202.1.jsmailchimp.com/release/plums/chunks/js/2561.3c9b430f4d0f8202.1.js.map
mailchimp.com/release/plums/chunks/js/2362.497d7b0126126ba7.1.jsmailchimp.com/release/plums/chunks/js/2362.497d7b0126126ba7.1.js.map
mailchimp.com/release/plums/chunks/js/2130.f73af14d1d72975c.1.jsmailchimp.com/release/plums/chunks/js/2130.f73af14d1d72975c.1.js.map
mailchimp.com/release/plums/chunks/js/1590.44ae13401a6e6522.1.jsmailchimp.com/release/plums/chunks/js/1590.44ae13401a6e6522.1.js.map
mailchimp.com/release/plums/chunks/js/1422.5dbd381bbabb27ea.1.jsmailchimp.com/release/plums/chunks/js/1422.5dbd381bbabb27ea.1.js.map
mailchimp.com/release/plums/chunks/js/1263.af23bbfd07bb8b25.1.jsmailchimp.com/release/plums/chunks/js/1263.af23bbfd07bb8b25.1.js.map
mailchimp.com/release/plums/chunks/js/1103.4b9bd80e6ee6da32.1.jsmailchimp.com/release/plums/chunks/js/1103.4b9bd80e6ee6da32.1.js.map
mailchimp.com/release/plums/chunks/js/102.282d345da7189423.1.jsmailchimp.com/release/plums/chunks/js/102.282d345da7189423.1.js.map
/release/dist/js-src/ecs/cookie-preferences-manager.20fc3.../release/dist/js-src/ecs/cookie-preferences-manager.20fc3...
/analytics.js/v1/XW9BLqe2lnNnSxE3BHbGk42LMyT7wdIf/analyti.../analytics.js/v1/XW9BLqe2lnNnSxE3BHbGk42LMyT7wdIf/standal...
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
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 DOM-based XSS with Trusted Types
Detected JavaScript libraries
Redirects HTTP traffic to HTTPS
Mitigate clickjacking with XFO or CSP
85

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.

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
details#languagePicker-378616871 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-first details#languagePicker-378616871 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-first
details#languagePicker-378616871 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-last details#languagePicker-378616871 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-last
details#languagePicker-789808314 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-first details#languagePicker-789808314 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-first
details#languagePicker-789808314 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-last details#languagePicker-789808314 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-last

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
Document has a meta description
Page has successful HTTP status code
robots.txt is valid
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

78
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
100
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
100
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
85
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

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.

621 ms

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

1.31 s

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

286 ms

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

0.000

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

2.80 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.

5.79 s

Detailed Report

Audit breakdown by category with detailed findings.

78

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.

RequestCache TTLTransfer Size
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/release/plums/cxp/css/presenters/modules/p23_stacking_hi...3600.0 s1.1 KiB
mailchimp.com/release/plums/chunks/js/9542.2bc12e721e72cacf.1.js3600.0 s1016 B
/metrics/a?v=3&t=l&pid=1093151587&rv=64f0&tag_exp=0~11593...0.0 ms645 B
mailchimp.com/release/plums/8ee5e3b5d6d68b22.svg3600.0 s805 B
mailchimp.com/release/plums/3579da9be0d87b6f.svg3600.0 s771 B
/release/plums/cxp/css/presenters/modules/dual_plan_modul...3600.0 s756 B
mailchimp.com/release/plums/d587a00f04ec1dd3.svg3600.0 s756 B
mailchimp.com/release/plums/a1523f19694530bd.svg3600.0 s750 B
mailchimp.com/release/plums/8bd102bdbaf56447.svg3600.0 s739 B
/release/dist/js-src/ecs/cookie-preferences-manager.20fc3...3600.0 s0 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.

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

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
div.module--content > div.imageContainer > picture > img div.module--content > div.imageContainer > picture > img
/ctf/images/yzco4xsimv0y/704aBG4uuF1aALJjQzDjHr/3ef708887...26.0 KiB20.4 KiB

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

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 255 ms
URLTime Spent
mailchimp.com/255 ms
mailchimp.com/es/0.0 ms

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 40 ms 84.8 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

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 Evaluation1.7 s
Other505 ms
Style & Layout233 ms
Script Parsing & Compilation177 ms
Rendering161 ms
Garbage Collection37 ms
Parse HTML & CSS36 ms

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

Layout shift culprits
Optimize DOM size
Font display
Forced reflow
LCP breakdown
LCP request discovery
Modern HTTP
Optimize viewport for mobile
Minify CSS
Minify JavaScript
User Timing marks and measures 280 user timings
Avoid long main-thread tasks 10 long tasks found
Avoid non-composited animations 1 animated element found
Image elements have explicit `width` and `height`
Page didn't prevent back/forward cache restoration
Network Requests
Network Round Trip Times 120 ms
Server Backend Latencies 290 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 50 ms
Avoid large layout shifts 1 layout shift found
INP breakdown
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.

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
Iniciar prueba gratis div.singlePlanCard__column > div.ctaBuyNowWrapper > div.margin--bottom-c3 > a.ctaBuyNow
Conozca más div.stackingHighlight__block > div.stackingHighlight__block__media > div.flex > a.ctaArrow
Cookie Statement. div#onetrust-group-container > div#onetrust-policy > div#onetrust-policy-text > a.ot-cookie-policy-link
Interactive controls are keyboard focusable
Interactive elements indicate their purpose and state
The page has a logical tab order
Visual order on the page follows DOM order
User focus is not accidentally trapped in a region
The user's focus is directed to new content added to the page
HTML5 landmark elements are used to improve navigation
Offscreen content is hidden from assistive technology
Custom controls have associated labels
Custom controls have ARIA roles
`[aria-*]` 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.
Select elements have associated label elements.
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
Elements with the `role=text` attribute do not have focusable descendents.
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
`[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 an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[role]`s are contained by their required parent element
ARIA toggle fields have accessible names
ARIA `tooltip` elements have accessible names
ARIA `treeitem` elements have accessible names
The page contains a heading, skip link, or landmark region
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Definition list items are wrapped in `<dl>` elements
ARIA IDs are unique
No form fields have multiple labels
`<frame>` or `<iframe>` elements have a title
`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
Input buttons have discernible text.
`<input type="image">` elements have `[alt]` text
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
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.
Identical links have the same purpose.
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.
100

Best Practices

General

Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLMap URL
/SZylnW2i/Q1o/U0g/yfIMl6TXuv/buu5zhb6XQtVGzr9Y9/fSZnAQ/Wl...
mailchimp.com/metrics/gtd?id=G-N5HD1RTH6E&cx=c&gtm=4e64f0h1
mailchimp.com/metrics/?id=
mailchimp.com/release/plums/cxp/js/index.8ec0f68b.1.jsmailchimp.com/release/plums/cxp/js/index.8ec0f68b.1.js.map
mailchimp.com/release/plums/cxp/js/experiment-loader.52c71e66.1.jsmailchimp.com/release/plums/cxp/js/experiment-loader.52c71e66.1.js.map
mailchimp.com/release/plums/chunks/js/9867.d975c5221e4e7f03.1.jsmailchimp.com/release/plums/chunks/js/9867.d975c5221e4e7f03.1.js.map
mailchimp.com/release/plums/chunks/js/9692.6da4fe016889b4ba.1.jsmailchimp.com/release/plums/chunks/js/9692.6da4fe016889b4ba.1.js.map
mailchimp.com/release/plums/chunks/js/9542.2bc12e721e72cacf.1.jsmailchimp.com/release/plums/chunks/js/9542.2bc12e721e72cacf.1.js.map
mailchimp.com/release/plums/chunks/js/8343.dda4b9696987b0e7.1.jsmailchimp.com/release/plums/chunks/js/8343.dda4b9696987b0e7.1.js.map
mailchimp.com/release/plums/chunks/js/8175.49a75e36ab551751.1.jsmailchimp.com/release/plums/chunks/js/8175.49a75e36ab551751.1.js.map
mailchimp.com/release/plums/chunks/js/7985.85145d681b2a9a58.1.jsmailchimp.com/release/plums/chunks/js/7985.85145d681b2a9a58.1.js.map
mailchimp.com/release/plums/chunks/js/7941.1a419c2d0b281956.1.jsmailchimp.com/release/plums/chunks/js/7941.1a419c2d0b281956.1.js.map
mailchimp.com/release/plums/chunks/js/7746.1b458a9abdc97c6f.1.jsmailchimp.com/release/plums/chunks/js/7746.1b458a9abdc97c6f.1.js.map
mailchimp.com/release/plums/chunks/js/7469.d76f7dbf128d1a99.1.jsmailchimp.com/release/plums/chunks/js/7469.d76f7dbf128d1a99.1.js.map
mailchimp.com/release/plums/chunks/js/7385.aebe03774601e461.1.jsmailchimp.com/release/plums/chunks/js/7385.aebe03774601e461.1.js.map
mailchimp.com/release/plums/chunks/js/7163.192d2384eafbdc57.1.jsmailchimp.com/release/plums/chunks/js/7163.192d2384eafbdc57.1.js.map
mailchimp.com/release/plums/chunks/js/7100.d3a7005ffd99d1cb.1.jsmailchimp.com/release/plums/chunks/js/7100.d3a7005ffd99d1cb.1.js.map
mailchimp.com/release/plums/chunks/js/6773.529814217176400f.1.jsmailchimp.com/release/plums/chunks/js/6773.529814217176400f.1.js.map
mailchimp.com/release/plums/chunks/js/6651.9f18b7c12b38e2b9.1.jsmailchimp.com/release/plums/chunks/js/6651.9f18b7c12b38e2b9.1.js.map
mailchimp.com/release/plums/chunks/js/6482.0dcf03ed828285d5.1.jsmailchimp.com/release/plums/chunks/js/6482.0dcf03ed828285d5.1.js.map
mailchimp.com/release/plums/chunks/js/6195.00bb071b4bee9eec.1.jsmailchimp.com/release/plums/chunks/js/6195.00bb071b4bee9eec.1.js.map
mailchimp.com/release/plums/chunks/js/617.d16728ceeab07901.1.jsmailchimp.com/release/plums/chunks/js/617.d16728ceeab07901.1.js.map
mailchimp.com/release/plums/chunks/js/5385.5023dc854761a818.1.jsmailchimp.com/release/plums/chunks/js/5385.5023dc854761a818.1.js.map
mailchimp.com/release/plums/chunks/js/4798.44f484df06d74488.1.jsmailchimp.com/release/plums/chunks/js/4798.44f484df06d74488.1.js.map
mailchimp.com/release/plums/chunks/js/4683.1bd336126971ff67.1.jsmailchimp.com/release/plums/chunks/js/4683.1bd336126971ff67.1.js.map
mailchimp.com/release/plums/chunks/js/4275.76287b419f920044.1.jsmailchimp.com/release/plums/chunks/js/4275.76287b419f920044.1.js.map
mailchimp.com/release/plums/chunks/js/4073.af84b0e996c9801d.1.jsmailchimp.com/release/plums/chunks/js/4073.af84b0e996c9801d.1.js.map
mailchimp.com/release/plums/chunks/js/3958.3ada252604f712b4.1.jsmailchimp.com/release/plums/chunks/js/3958.3ada252604f712b4.1.js.map
mailchimp.com/release/plums/chunks/js/3490.bc326adaa2e5c259.1.jsmailchimp.com/release/plums/chunks/js/3490.bc326adaa2e5c259.1.js.map
mailchimp.com/release/plums/chunks/js/3424.9094cdac60158bf0.1.jsmailchimp.com/release/plums/chunks/js/3424.9094cdac60158bf0.1.js.map
mailchimp.com/release/plums/chunks/js/3156.d695fc9ff6590dfc.1.jsmailchimp.com/release/plums/chunks/js/3156.d695fc9ff6590dfc.1.js.map
mailchimp.com/release/plums/chunks/js/2561.3c9b430f4d0f8202.1.jsmailchimp.com/release/plums/chunks/js/2561.3c9b430f4d0f8202.1.js.map
mailchimp.com/release/plums/chunks/js/2362.497d7b0126126ba7.1.jsmailchimp.com/release/plums/chunks/js/2362.497d7b0126126ba7.1.js.map
mailchimp.com/release/plums/chunks/js/2130.f73af14d1d72975c.1.jsmailchimp.com/release/plums/chunks/js/2130.f73af14d1d72975c.1.js.map
mailchimp.com/release/plums/chunks/js/1590.44ae13401a6e6522.1.jsmailchimp.com/release/plums/chunks/js/1590.44ae13401a6e6522.1.js.map
mailchimp.com/release/plums/chunks/js/1422.5dbd381bbabb27ea.1.jsmailchimp.com/release/plums/chunks/js/1422.5dbd381bbabb27ea.1.js.map
mailchimp.com/release/plums/chunks/js/1263.af23bbfd07bb8b25.1.jsmailchimp.com/release/plums/chunks/js/1263.af23bbfd07bb8b25.1.js.map
mailchimp.com/release/plums/chunks/js/1103.4b9bd80e6ee6da32.1.jsmailchimp.com/release/plums/chunks/js/1103.4b9bd80e6ee6da32.1.js.map
mailchimp.com/release/plums/chunks/js/102.282d345da7189423.1.jsmailchimp.com/release/plums/chunks/js/102.282d345da7189423.1.js.map
/release/dist/js-src/ecs/cookie-preferences-manager.20fc3.../release/dist/js-src/ecs/cookie-preferences-manager.20fc3...
/analytics.js/v1/XW9BLqe2lnNnSxE3BHbGk42LMyT7wdIf/analyti.../analytics.js/v1/XW9BLqe2lnNnSxE3BHbGk42LMyT7wdIf/standal...
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
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 DOM-based XSS with Trusted Types
Detected JavaScript libraries
Redirects HTTP traffic to HTTPS
Mitigate clickjacking with XFO or CSP
85

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.

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
details#languagePicker-378616871 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-first details#languagePicker-378616871 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-first
details#languagePicker-378616871 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-last details#languagePicker-378616871 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-last
details#languagePicker-789808314 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-first details#languagePicker-789808314 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-first
details#languagePicker-789808314 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-last details#languagePicker-789808314 > ul.details__menu__container > li.menu__bumper > a.menu__bumper-last

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
Document has a meta description
Page has successful HTTP status code
robots.txt is valid
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`

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