C — https://www.cockroachlabs.com

Site Health

Score: 71 / 100

Based on 8 categories, 0 sections

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.

Top Priorities (5)

Content-Security-Policy header is missing

Security › Security Headers

No Content-Security-Policy header found

Security › Content Security Policy

Page weighs 17.9 MB (7.4 MB transferred)

Performance › Page Weight Budget

1 button(s) with no accessible text

Accessibility › Link & Button Quality

1 control(s) without accessible label

Accessibility › Form Accessibility

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Markdown

[![BeaverCheck](https://beavercheck.com/badge?url=https%3A%2F%2Fwww.cockroachlabs.com)](https://beavercheck.com/results/acc1dad8-f76f-fae8-ed1a-ee25f4a7d9d4)

HTML

<a href="https://beavercheck.com/results/acc1dad8-f76f-fae8-ed1a-ee25f4a7d9d4"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Fwww.cockroachlabs.com" alt="BeaverCheck Score"></a>

Image URL

https://beavercheck.com/badge?url=https%3A%2F%2Fwww.cockroachlabs.com

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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.

1.50 s

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

18.14 s

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

4.19 s

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

0.027

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

11.32 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.

43.99 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.

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

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Request	Cache TTL	Transfer Size
widget.kapa.ai/kapa-widget.bundle.js	600.0 s	569.0 KiB
js.stripe.com/v3	120.0 s	224.4 KiB
connect.facebook.net/en_US/fbevents.js	1200.0 s	95.0 KiB
go.cockroachlabs.com/js/forms2/js/forms2.min.js	14400.0 s	67.5 KiB
/signals/config/517178680844332?v=2.9.291&r=stable&domain...	1200.0 s	37.2 KiB
/analytics.js/v1/Mz68FzJ2r4poMQ4bQTniyvZF9yF0ycET/analyti...	120.0 s	28.8 KiB
www.datadoghq-browser-agent.com/datadog-rum-v3.js	14400.0 s	38.8 KiB
scripts.clarity.ms/0.8.59/clarity.js	0.0 ms	26.1 KiB
cdn.madkudu.com/madkudu.js/v1/ce47e023e6d766f7a3e9e4f9529b5228/madkudu.min.js	3600.0 s	26.3 KiB
www.redditstatic.com/ads/pixel.js	60.0 s	19.0 KiB
m.stripe.network/out-4.5.45.js	300.0 s	16.5 KiB
www.google-analytics.com/analytics.js	7200.0 s	20.9 KiB
cdn.bizible.com/scripts/bizible.js	86400.0 s	25.2 KiB
app.factors.ai/assets/factors.js	3600.0 s	10.7 KiB
snap.licdn.com/li.lms-analytics/insight.min.js	86400.0 s	18.7 KiB
ws.zoominfo.com/pixel/624b4126b50440001cf171b5	0.0 ms	2.0 KiB
go.cockroachlabs.com/js/forms2/css/forms2.css	14400.0 s	2.7 KiB
/index.php/form/getForm?munchkinId=350-QIN-827&form=1704&...	0.0 ms	1.8 KiB
munchkin.marketo.net/munchkin.js	0.0 ms	1.2 KiB
www.google-analytics.com/plugins/ua/linkid.js	3600.0 s	995 B
/collect?v=2&fmt=js&pid=150890&time=1775594030498&url=htt...	0.0 ms	693 B
/rp.gif?ts=1775594028957&id=t2_cmme1rmy&event=PageVisit&m...	0.0 ms	637 B
go.cockroachlabs.com/js/forms2/css/forms2-theme-simple.css	14400.0 s	389 B
www.gstatic.com/recaptcha/api2/logo_48.png	604800.0 s	2.3 KiB
/tr/?id=517178680844332&ev=PageView&dl=https%3A%2F%2Fwww....	0.0 ms	19 B
go.cockroachlabs.com/js/forms2/js/forms2.min.js	14400.0 s	0 B

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

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.

URL	Est Savings
www.cockroachlabs.com/_next/static/media/slick.653a4cbb.woff	155 ms
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2	40 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.

headings: [map[key:source label:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]

items: [map[reflowTime:0.043 source:map[column:73398 line:2 type:source-location url:https://scripts.clarity.ms/0.8.59/clarity.js urlProvider:network]]]

headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]

items: [map[reflowTime:114.388 source:map[type:text value:[unattributed]]] map[reflowTime:0.043 source:map[column:31518 line:1 type:source-location url:https://scripts.clarity.ms/0.8.59/clarity.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

	URL	Resource Size	Est Savings
Why SumUp chose CockroachDB for global payments `div > div.px-4 > a.block > div.flex-col`	/00voh0j35590/pWhamaJCHLEGGFoU2I4VQ/79f8ebc7a6b8f93101e81...	924.2 KiB	835.2 KiB
Kaizen Gaming bets big on distributed SQL `div > div.px-4 > a.block > div.flex-col`	/00voh0j35590/2VLJeuuowXJmc4jNwmL0jY/826b08fa0ecab538afd9...	811.0 KiB	721.5 KiB
div.mx-auto > div.relative > a.relative > div.mx-auto `div.mx-auto > div.relative > a.relative > div.mx-auto`	www.cockroachlabs.com/images/modernize-db-arch.png	720.9 KiB	441.1 KiB
How Booking.com simplified order management with CockroachDB `div > div.px-4 > a.block > div.flex-col`	/00voh0j35590/5ZjXkUkGtfZMEPqTdoJxSX/2cd960437381b83300dd...	291.7 KiB	202.2 KiB
roachfest25-fintech-recap-thumbnail `a.group > div.h-full > div.mb-6 > img.aspect-[16/7]`	/_next/image/?url=https%3A%2F%2Fimages.ctfassets.net%2F00...	162.4 KiB	136.3 KiB
Group 19476 `div.false > div.flex > div.relative > img.size-full`	/_next/image/?url=https%3A%2F%2Fimages.ctfassets.net%2F00...	26.3 KiB	12.4 KiB
Project Logo `span.m_80f1301b > span.m_811560b9 > div.m_8bffd616 > img.m_9e117634`	www.cockroachlabs.com/img/ai-chat-logo-m.png	6.3 KiB	6.1 KiB

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

lhId: page-7-DIV

nodeLabel: The system of record for handling financial data CockroachDB is a cloud-agnost…

path: 1,HTML,1,BODY,23,DIV,3,DIV

selector: body > div > div.contain-layout

snippet: <div class="contain-layout relative bg-no-repeat bg-left bg-cover" style="background-image: url("https://images.ctfassets.net/00voh0j35590/79OqLRaAvpb…");">

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.

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.

URL	Transfer Size	Duration
www.cockroachlabs.com/_next/static/css/084fe83a55d1c444.css	38.0 KiB	359 ms
www.cockroachlabs.com/_next/static/css/512bc4cbff012306.css	1.2 KiB

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.

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.

Keep the server response time for the main document short because all other requests depend on it. Learn more about the Time to First Byte metric.

Estimated savings: 581 ms

URL	Time Spent
www.cockroachlabs.com/	681 ms

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.

Estimated savings: 180 ms 79.0 KiB

URL	Transfer Size	Est Savings
/* ----- CSS reset ----- / , ::before, ::after { box-sizing: border-box; } …	45.2 KiB	44.3 KiB
www.cockroachlabs.com/_next/static/css/084fe83a55d1c444.css	37.9 KiB	34.7 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.

Estimated savings: 3.8 s 1.1 MiB

URL	Transfer Size	Est Savings
widget.kapa.ai/kapa-widget.bundle.js	566.0 KiB	178.9 KiB
www.gstatic.com/recaptcha/releases/kUYUkUlSyqkjTSMaN2w3RaOh/recaptcha__en.js	362.6 KiB	178.2 KiB
js.stripe.com/v3	224.1 KiB	149.6 KiB
www.cockroachlabs.com/_next/static/chunks/2053-7bbc002aee614434.js	96.7 KiB	75.5 KiB
www.cockroachlabs.com/_next/static/chunks/7894-065e7ecb97011df2.js	111.4 KiB	73.8 KiB
www.googletagmanager.com/gtag/destination?id=G-WPTKE58Z5D&cx=c&gtm=4e6460	154.5 KiB	62.5 KiB
www.googletagmanager.com/gtag/js?id=G-913SQ8GKPR&cx=c&gtm=4e6460	173.5 KiB	62.3 KiB
www.googletagmanager.com/gtm.js?id=GTM-NR8LC4	181.9 KiB	58.1 KiB
www.googletagmanager.com/gtag/js?id=AW-947366135	147.4 KiB	54.5 KiB
go.cockroachlabs.com/js/forms2/js/forms2.min.js	67.0 KiB	51.6 KiB
go.cockroachlabs.com/js/forms2/js/forms2.min.js	67.0 KiB	36.0 KiB
connect.facebook.net/en_US/fbevents.js	94.8 KiB	32.9 KiB
www.cockroachlabs.com/_next/static/chunks/1625-1b96f2add0d78975.js	33.1 KiB	29.5 KiB
www.cockroachlabs.com/_next/static/chunks/4e6af11a-b035c971c04eb760.js	29.2 KiB	26.3 KiB
www.datadoghq-browser-agent.com/datadog-rum-v3.js	38.5 KiB	22.2 KiB
www.cockroachlabs.com/_next/static/chunks/1269-77945ee56a6ecc60.js	33.3 KiB	20.4 KiB
www.cockroachlabs.com/_next/static/chunks/9975-30833fa09355040c.js	49.5 KiB	20.1 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.

URL	Total CPU Time	Script Evaluation	Script Parse
widget.kapa.ai/kapa-widget.bundle.js	1.8 s	1.5 s	223 ms
Unattributable	1.7 s	123 ms	0.0 ms
www.cockroachlabs.com/	1.7 s	70 ms	68 ms
www.cockroachlabs.com/_next/static/chunks/8069-b2b9ba81e4d52617.js	1.1 s	1.0 s	14 ms
www.googletagmanager.com/gtm.js?id=GTM-NR8LC4	1.1 s	759 ms	213 ms
www.gstatic.com/recaptcha/releases/kUYUkUlSyqkjTSMaN2w3RaOh/recaptcha__en.js	1.0 s	844 ms	124 ms
www.googletagmanager.com/gtag/js?id=G-913SQ8GKPR&cx=c&gtm=4e6460	579 ms	511 ms	55 ms
www.googletagmanager.com/gtag/destination?id=G-WPTKE58Z5D&cx=c&gtm=4e6460	578 ms	509 ms	67 ms
go.cockroachlabs.com/js/forms2/js/forms2.min.js	440 ms	333 ms	48 ms
www.datadoghq-browser-agent.com/datadog-rum-v3.js	426 ms	328 ms	12 ms
www.cockroachlabs.com/_next/static/chunks/7894-065e7ecb97011df2.js	422 ms	368 ms	50 ms
js.stripe.com/v3	351 ms	232 ms	113 ms
j.6sc.co/6si.min.js	334 ms	309 ms	5.9 ms
scripts.clarity.ms/0.8.59/clarity.js	264 ms	224 ms	10 ms
cdn.bizible.com/scripts/bizible.js	187 ms	167 ms	11 ms
connect.facebook.net/en_US/fbevents.js	163 ms	129 ms	32 ms
x.clearbitjs.com/v2/pk_3086d71a174cf8674f725fef7d459988/tracking.min.js	157 ms	123 ms	33 ms
/signals/config/517178680844332?v=2.9.291&r=stable&domain...	153 ms	128 ms	25 ms
boards.greenhouse.io/embed/job_board/js?for=cockroachlabs	151 ms	148 ms	2.7 ms
www.cockroachlabs.com/_next/static/chunks/fd9d1056-b14ca78c6b7f89f6.js	130 ms	72 ms	19 ms
www.googletagmanager.com/gtag/js?id=AW-947366135	112 ms	70 ms	41 ms
/analytics-next/bundles/schemaFilter.bundle.1b218d13fed02...	90 ms	86 ms	0.5 ms
app.factors.ai/assets/factors.js	88 ms	77 ms	4.0 ms
cdn.madkudu.com/madkudu.js/v1/ce47e023e6d766f7a3e9e4f9529b5228/madkudu.min.js	78 ms	69 ms	8.8 ms
www.cockroachlabs.com/_next/static/chunks/2053-7bbc002aee614434.js	76 ms	1.8 ms	73 ms
www.cockroachlabs.com/_next/static/chunks/7384-a5930c81c8a1f8df.js	74 ms	13 ms	6.1 ms
snap.licdn.com/li.lms-analytics/insight.min.js	66 ms	56 ms	8.4 ms
/next-integrations/integrations/vendor/commons.59560acdd6...	65 ms	50 ms	10 ms
www.cockroachlabs.com/_next/static/chunks/155-eaf98ced17d3cee0.js	55 ms	8.1 ms	21 ms
www.redditstatic.com/ads/pixel.js	53 ms	45 ms	4.2 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

Category	Time Spent
Script Evaluation	9.1 s
Other	2.5 s
Script Parsing & Compilation	1.4 s
Style & Layout	732 ms
Garbage Collection	334 ms
Rendering	264 ms
Parse HTML & CSS	152 ms

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Failure reason	Failure type
The page has an unload handler in the main frame.	Actionable
Pages with cache-control:no-store header cannot enter back/forward cache.	Actionable
Pages whose main resource has cache-control:no-store cannot enter back/forward cache.	Not actionable
Back/forward cache is disabled because some JavaScript network request received resource with Cache-Control: no-store header.	Not actionable

Minifying CSS files can reduce network payload sizes. Learn how to minify CSS.

Estimated savings: 0.0 ms 6.3 KiB

URL	Transfer Size	Est Savings
/* ----- CSS reset ----- / , ::before, ::after { box-sizing: border-box; } …	45.2 KiB	6.3 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

URL	Transfer Size
/00voh0j35590/pWhamaJCHLEGGFoU2I4VQ/79f8ebc7a6b8f93101e81...	925.6 KiB
/00voh0j35590/2VLJeuuowXJmc4jNwmL0jY/826b08fa0ecab538afd9...	812.3 KiB
www.cockroachlabs.com/images/modernize-db-arch.png	721.4 KiB
widget.kapa.ai/kapa-widget.bundle.js	569.0 KiB
www.gstatic.com/recaptcha/releases/kUYUkUlSyqkjTSMaN2w3RaOh/recaptcha__en.js	363.2 KiB
www.gstatic.com/recaptcha/releases/kUYUkUlSyqkjTSMaN2w3RaOh/recaptcha__en.js	363.2 KiB
/00voh0j35590/79OqLRaAvpbwxHVhLj2tBh/2ea043ee19a5786003d0...	331.5 KiB
/00voh0j35590/5ZjXkUkGtfZMEPqTdoJxSX/2cd960437381b83300dd...	292.4 KiB
/v3/fingerprinted/js/controller-with-preconnect-272aa5fdb...	291.3 KiB
js.stripe.com/v3	224.4 KiB

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

●Layout shift culprits

●Optimize DOM size

●LCP breakdown

●Modern HTTP

●Optimize viewport for mobile

●Minify JavaScript

●User Timing marks and measures 23 user timings

●Avoid long main-thread tasks 20 long tasks found

●Image elements have explicit `width` and `height`

●Network Requests

●Network Round Trip Times 180 ms

●Server Backend Latencies 200 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Avoid multiple page redirects

●Avoid large layout shifts 3 layout shifts found

○INP breakdown

○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.

ARIA

Focusable descendents within an `[aria-hidden="true"]` element prevent those interactive elements from being available to users of assistive technologies like screen readers. Learn how `aria-hidden` affects focusable elements.

Failing Elements
Kaizen Gaming bets big on distributed SQL `div.slick-slider > div.slick-list > div.slick-track > div.slick-slide`
Why SumUp chose CockroachDB for global payments `div.slick-slider > div.slick-list > div.slick-track > div.slick-slide`

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

Navigation

Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.

Failing Elements
Product `div.grid > div.space-y-8 > div > h4.mb-[7px]`

These are opportunities to improve keyboard navigation in your application.

Best practices

One main landmark helps screen reader users navigate a web page. Learn more about landmarks.

Failing Elements
html `html`

These items highlight common accessibility best practices.

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.

Failing Elements
How Booking.com simplified order management with CockroachDB `div.slick-slide > div > div.px-4 > a.block`
FINTECH Why these three fintech companies scaled with distributed SQL From re… `div.relative > div.grid > div > a.group`
PRODUCT Vertical vs. horizontal scaling: What’s the difference and which is be… `div.relative > div.grid > div.flex > a.group`
AI 1,000+ tech leaders know AI is scaling faster than systems can adapt `div.relative > div.grid > div.flex > a.group`
ENGINEERING Rethinking the Global Reporting Platform `div.relative > div.grid > div.flex > a.group`
SCALE & RESILIENCE SQL DROP COLUMN and ADD COLUMN: adding and removing columns… `div.relative > div.grid > div.flex > a.group`

○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.

●ARIA attributes are used as specified for the element's role

●Elements use only permitted ARIA attributes

●Background and foreground colors have a sufficient contrast ratio

●Document has a `<title>` element

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

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

●Links are distinguishable without relying on color.

●Links have a discernible name

●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).

●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements

●No element has a `[tabindex]` value greater than 0

●Touch targets have sufficient size and spacing.

●Deprecated ARIA roles were not used

●Identical links have the same purpose.

○`[accesskey]` values are unique

○`button`, `link`, and `menuitem` elements have accessible names

○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.

○ARIA input fields have accessible names

○ARIA `meter` elements have accessible names

○ARIA `progressbar` elements have accessible names

○Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.

○`[role]`s are contained by their required parent element

○Elements with the `role=text` attribute do not have focusable descendents.

○ARIA toggle fields have accessible names

○ARIA `tooltip` elements have accessible names

○ARIA `treeitem` elements have accessible names

○The page contains a heading, skip link, or landmark region

○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.

○Definition list items are wrapped in `<dl>` elements

○ARIA IDs are unique

○No form fields have multiple labels

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

○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.

○Input buttons have discernible text.

○`<input type="image">` elements have `[alt]` text

○The document does not use `<meta http-equiv="refresh">`

○`<object>` elements have alternate text

○Select elements have associated label elements.

○Skip links are focusable.

○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.

○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.

○`[lang]` attributes have a valid value

○`<video>` elements contain a `<track>` element with `[kind="captions"]`

○Tables have different content in the summary attribute and `<caption>`.

○All heading elements contain content.

○Uses ARIA roles only on compatible elements

○Image elements do not have `[alt]` attributes that are redundant text.

○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.

○`<td>` elements in a large `<table>` have one or more table headers.

Best Practices

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Deprecation / Warning	Source
Unload event listeners are deprecated and will be removed.	ws.zoominfo.com/pixel/624b4126b50440001cf171b5
AttributionReporting	connect.facebook.net/en_US/fbevents.js line 273, col 769

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Source	Description
www.cockroachlabs.com/	`Access to XMLHttpRequest at 'https://secure.adnxs.com/getuidj' from origin 'https://www.cockroachlabs.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.`
secure.adnxs.com/getuidj	`Failed to load resource: net::ERR_FAILED`
x.clearbitjs.com/v1/pk_3086d71a174cf8674f725fef7d459988/forms.js?page_path=%2F	`Failed to load resource: the server responded with a status of 404 ()`
boards.greenhouse.io/embed/job_board/js?for=cockroachlabs line 149, col 22	`Uncaught TypeError: Cannot set properties of null (setting 'innerHTML')`

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.

URL	Map URL
www.cockroachlabs.com/_next/static/chunks/2053-7bbc002aee614434.js
/next-integrations/integrations/vendor/commons.59560acdd6...	/next-integrations/integrations/vendor/commons.59560acdd6...
/next-integrations/integrations/madkudu/2.0.2/madkudu.dyn...	cdn.segment.com/next-integrations/integrations/madkudu/2.0.2/madkudu.js.map
/analytics.js/v1/Mz68FzJ2r4poMQ4bQTniyvZF9yF0ycET/analyti...	/analytics.js/v1/Mz68FzJ2r4poMQ4bQTniyvZF9yF0ycET/standal...
/analytics-next/bundles/schemaFilter.bundle.1b218d13fed02...	/analytics-next/bundles/schemaFilter.bundle.1b218d13fed02...
/analytics-next/bundles/ajs-destination.bundle.8e6b895db7...	/analytics-next/bundles/ajs-destination.bundle.8e6b895db7...
cdn.madkudu.com/madkudu.js/v1/ce47e023e6d766f7a3e9e4f9529b5228/madkudu.min.js	/madkudu.js/v1/ce47e023e6d766f7a3e9e4f9529b5228/madkudu.m...

●Uses HTTPS

●Avoids third-party cookies

●Allows users to paste into input fields

●Avoids requesting the geolocation permission on page load

●Avoids requesting the notification permission on page load

●Displays images with correct aspect ratio

●Serves images with appropriate resolution

●Page has the HTML doctype

●Properly defines charset

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

●Ensure CSP is effective against XSS attacks

●Use a strong HSTS policy

●Ensure proper origin isolation with COOP

●Mitigate clickjacking with XFO or CSP

●Mitigate DOM-based XSS with Trusted Types

●Detected JavaScript libraries

○Redirects HTTP traffic to HTTPS

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.

Link destination	Link Text
www.cockroachlabs.com/privacy/	here

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

○Structured data is valid

●Page isn’t blocked from indexing

●Document has a `<title>` element

●Document has a meta description

●Page has successful HTTP status code

●Links are crawlable

●robots.txt is valid

●Image elements have `[alt]` attributes

●Document has a valid `hreflang`

●Document has a valid `rel=canonical`

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.

445 ms

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

2.02 s

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

592 ms

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

0.043

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

2.76 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.

8.89 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.

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

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

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.

URL	Est Savings
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2	45 ms
www.cockroachlabs.com/_next/static/media/slick.653a4cbb.woff	30 ms

headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]

items: [map[reflowTime:88.314 source:map[type:text value:[unattributed]]]]

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

lhId: page-0-DIV

nodeLabel: The system of record to power Al enabled apps CockroachDB is a cloud-agnostic,…

path: 1,HTML,1,BODY,14,DIV,3,DIV

selector: body > div > div.contain-layout

snippet: <div class="contain-layout relative bg-no-repeat bg-left bg-cover" style="background-image: url("https://images.ctfassets.net/00voh0j35590/79OqLRaAvpb…");">

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.

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

value: No additional origins are good candidates for preconnecting

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Request	Cache TTL	Transfer Size
widget.kapa.ai/kapa-widget.bundle.js	600.0 s	569.0 KiB
js.stripe.com/v3	120.0 s	224.8 KiB
connect.facebook.net/en_US/fbevents.js	1200.0 s	95.0 KiB
go.cockroachlabs.com/js/forms2/js/forms2.min.js	14400.0 s	67.5 KiB
/signals/config/517178680844332?v=2.9.291&r=stable&domain...	1200.0 s	37.1 KiB
/analytics.js/v1/Mz68FzJ2r4poMQ4bQTniyvZF9yF0ycET/analyti...	120.0 s	28.8 KiB
www.datadoghq-browser-agent.com/datadog-rum-v3.js	14400.0 s	38.8 KiB
cdn.madkudu.com/madkudu.js/v1/ce47e023e6d766f7a3e9e4f9529b5228/madkudu.min.js	3600.0 s	26.3 KiB
www.redditstatic.com/ads/pixel.js	60.0 s	19.0 KiB
m.stripe.network/out-4.5.45.js	300.0 s	16.5 KiB
www.google-analytics.com/analytics.js	7200.0 s	20.9 KiB
scripts.clarity.ms/0.8.59/clarity.js	86400.0 s	26.2 KiB
cdn.bizible.com/scripts/bizible.js	86400.0 s	25.2 KiB
app.factors.ai/assets/factors.js	3600.0 s	10.7 KiB
snap.licdn.com/li.lms-analytics/insight.min.js	86400.0 s	18.7 KiB
/index.php/form/getForm?munchkinId=350-QIN-827&form=1704&...	0.0 ms	2.0 KiB
ws.zoominfo.com/pixel/624b4126b50440001cf171b5	0.0 ms	2.0 KiB
go.cockroachlabs.com/js/forms2/css/forms2.css	14400.0 s	2.7 KiB
munchkin.marketo.net/munchkin.js	0.0 ms	1.2 KiB
www.google-analytics.com/plugins/ua/linkid.js	3600.0 s	995 B
/collect?v=2&fmt=js&pid=150890&time=1775594063415&url=htt...	0.0 ms	693 B
/rp.gif?ts=1775594061769&id=t2_cmme1rmy&event=PageVisit&m...	0.0 ms	637 B
go.cockroachlabs.com/js/forms2/css/forms2-theme-simple.css	14400.0 s	389 B
www.gstatic.com/recaptcha/api2/logo_48.png	604800.0 s	2.3 KiB
/tr/?id=517178680844332&ev=PageView&dl=https%3A%2F%2Fwww....	0.0 ms	16 B
go.cockroachlabs.com/js/forms2/js/forms2.min.js	14400.0 s	0 B

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

	URL	Resource Size	Est Savings
Why SumUp chose CockroachDB for global payments `div > div.px-4 > a.block > div.flex-col`	/00voh0j35590/pWhamaJCHLEGGFoU2I4VQ/79f8ebc7a6b8f93101e81...	924.2 KiB	835.2 KiB
Kaizen Gaming bets big on distributed SQL `div > div.px-4 > a.block > div.flex-col`	/00voh0j35590/2VLJeuuowXJmc4jNwmL0jY/826b08fa0ecab538afd9...	811.0 KiB	721.5 KiB
div.mx-auto > div.relative > a.absolute > div.pointer-events-none `div.mx-auto > div.relative > a.absolute > div.pointer-events-none`	www.cockroachlabs.com/images/modernize-db-arch.png	720.9 KiB	441.1 KiB
How Booking.com simplified order management with CockroachDB `div > div.px-4 > a.block > div.flex-col`	/00voh0j35590/5ZjXkUkGtfZMEPqTdoJxSX/2cd960437381b83300dd...	291.7 KiB	202.2 KiB
Group 19399 `div.false > div.flex > div.relative > img.size-full`	/_next/image/?url=https%3A%2F%2Fimages.ctfassets.net%2F00...	45.5 KiB	27.8 KiB
Group 19476 `div.false > div.flex > div.relative > img.size-full`	/_next/image/?url=https%3A%2F%2Fimages.ctfassets.net%2F00...	26.3 KiB	12.2 KiB
Group 19399 `div.false > div.flex > div.relative > img.size-full`	/_next/image/?url=https%3A%2F%2Fimages.ctfassets.net%2F00...	23.9 KiB	12.1 KiB
Project Logo `span.m_80f1301b > span.m_811560b9 > div.m_8bffd616 > img.m_9e117634`	www.cockroachlabs.com/img/ai-chat-logo-m.png	6.3 KiB	6.3 KiB

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.

URL	Transfer Size	Duration
www.cockroachlabs.com/_next/static/css/512bc4cbff012306.css	1.1 KiB
www.cockroachlabs.com/_next/static/css/084fe83a55d1c444.css	38.1 KiB	64 ms

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

Keep the server response time for the main document short because all other requests depend on it. Learn more about the Time to First Byte metric.

Estimated savings: 579 ms

URL	Time Spent
www.cockroachlabs.com/	679 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.

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.

Diagnostics

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Estimated savings: 190 ms 1.1 MiB

URL	Transfer Size	Est Savings
www.gstatic.com/recaptcha/releases/kUYUkUlSyqkjTSMaN2w3RaOh/recaptcha__en.js	362.6 KiB	179.1 KiB
widget.kapa.ai/kapa-widget.bundle.js	566.0 KiB	178.9 KiB
js.stripe.com/v3	224.3 KiB	148.3 KiB
www.cockroachlabs.com/_next/static/chunks/2053-7bbc002aee614434.js	96.5 KiB	75.4 KiB
www.cockroachlabs.com/_next/static/chunks/7894-065e7ecb97011df2.js	111.2 KiB	73.7 KiB
www.googletagmanager.com/gtag/destination?id=G-WPTKE58Z5D&cx=c&gtm=4e6460	154.5 KiB	62.4 KiB
www.googletagmanager.com/gtag/js?id=G-913SQ8GKPR&cx=c&gtm=4e6460	173.5 KiB	62.3 KiB
www.googletagmanager.com/gtm.js?id=GTM-NR8LC4	181.9 KiB	58.1 KiB
www.googletagmanager.com/gtag/js?id=AW-947366135	147.5 KiB	54.5 KiB
go.cockroachlabs.com/js/forms2/js/forms2.min.js	67.0 KiB	51.6 KiB
go.cockroachlabs.com/js/forms2/js/forms2.min.js	67.0 KiB	36.3 KiB
connect.facebook.net/en_US/fbevents.js	94.8 KiB	33.0 KiB
www.cockroachlabs.com/_next/static/chunks/1625-1b96f2add0d78975.js	33.1 KiB	29.4 KiB
www.cockroachlabs.com/_next/static/chunks/4e6af11a-b035c971c04eb760.js	29.2 KiB	26.3 KiB
www.datadoghq-browser-agent.com/datadog-rum-v3.js	38.5 KiB	22.2 KiB
www.cockroachlabs.com/_next/static/chunks/1269-77945ee56a6ecc60.js	33.2 KiB	20.4 KiB
www.cockroachlabs.com/_next/static/chunks/9975-30833fa09355040c.js	49.5 KiB	20.1 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.

URL	Total CPU Time	Script Evaluation	Script Parse
widget.kapa.ai/kapa-widget.bundle.js	427 ms	351 ms	56 ms
www.cockroachlabs.com/	350 ms	16 ms	8.4 ms
Unattributable	301 ms	26 ms	0.0 ms
www.gstatic.com/recaptcha/releases/kUYUkUlSyqkjTSMaN2w3RaOh/recaptcha__en.js	270 ms	232 ms	30 ms
www.cockroachlabs.com/_next/static/chunks/8069-b2b9ba81e4d52617.js	252 ms	231 ms	3.0 ms
www.datadoghq-browser-agent.com/datadog-rum-v3.js	233 ms	116 ms	5.2 ms
www.googletagmanager.com/gtm.js?id=GTM-NR8LC4	204 ms	176 ms	19 ms
www.googletagmanager.com/gtag/js?id=G-913SQ8GKPR&cx=c&gtm=4e6460	148 ms	127 ms	19 ms
go.cockroachlabs.com/js/forms2/js/forms2.min.js	130 ms	98 ms	13 ms
js.stripe.com/v3	103 ms	71 ms	28 ms
www.cockroachlabs.com/_next/static/chunks/7894-065e7ecb97011df2.js	96 ms	84 ms	11 ms
www.googletagmanager.com/gtag/destination?id=G-WPTKE58Z5D&cx=c&gtm=4e6460	89 ms	73 ms	13 ms
www.cockroachlabs.com/_next/static/chunks/fd9d1056-b14ca78c6b7f89f6.js	88 ms	39 ms	3.1 ms
j.6sc.co/6si.min.js	81 ms	72 ms	1.4 ms
connect.facebook.net/en_US/fbevents.js	64 ms	34 ms	13 ms
scripts.clarity.ms/0.8.59/clarity.js	64 ms	57 ms	1.6 ms
boards.greenhouse.io/embed/job_board/js?for=cockroachlabs	60 ms	60 ms	0.3 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

Category	Time Spent
Script Evaluation	2.3 s
Other	502 ms
Script Parsing & Compilation	302 ms
Style & Layout	219 ms
Garbage Collection	140 ms
Parse HTML & CSS	37 ms
Rendering	34 ms

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Failure reason	Failure type
The page has an unload handler in the main frame.	Actionable
Pages with cache-control:no-store header cannot enter back/forward cache.	Actionable
Pages whose main resource has cache-control:no-store cannot enter back/forward cache.	Not actionable
Back/forward cache is disabled because some JavaScript network request received resource with Cache-Control: no-store header.	Not actionable

Minifying CSS files can reduce network payload sizes. Learn how to minify CSS.

Estimated savings: 0.0 ms 6.3 KiB

URL	Transfer Size	Est Savings
/* ----- CSS reset ----- / , ::before, ::after { box-sizing: border-box; } …	45.2 KiB	6.3 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.

Estimated savings: 0.0 ms 78.4 KiB

URL	Transfer Size	Est Savings
/* ----- CSS reset ----- / , ::before, ::after { box-sizing: border-box; } …	45.2 KiB	44.3 KiB
www.cockroachlabs.com/_next/static/css/084fe83a55d1c444.css	37.9 KiB	34.1 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

URL	Transfer Size
/00voh0j35590/pWhamaJCHLEGGFoU2I4VQ/79f8ebc7a6b8f93101e81...	926.4 KiB
/00voh0j35590/2VLJeuuowXJmc4jNwmL0jY/826b08fa0ecab538afd9...	812.3 KiB
www.cockroachlabs.com/images/modernize-db-arch.png	721.4 KiB
widget.kapa.ai/kapa-widget.bundle.js	569.0 KiB
www.gstatic.com/recaptcha/releases/kUYUkUlSyqkjTSMaN2w3RaOh/recaptcha__en.js	363.2 KiB
www.gstatic.com/recaptcha/releases/kUYUkUlSyqkjTSMaN2w3RaOh/recaptcha__en.js	362.7 KiB
/00voh0j35590/79OqLRaAvpbwxHVhLj2tBh/2ea043ee19a5786003d0...	331.5 KiB
/00voh0j35590/5ZjXkUkGtfZMEPqTdoJxSX/2cd960437381b83300dd...	292.4 KiB
/v3/fingerprinted/js/controller-with-preconnect-e-031258a...	273.0 KiB
js.stripe.com/v3	224.8 KiB

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

●Layout shift culprits

●Optimize DOM size

●LCP breakdown

●Modern HTTP

●Optimize viewport for mobile

●Minify JavaScript

●User Timing marks and measures 23 user timings

●Avoid long main-thread tasks 14 long tasks found

●Image elements have explicit `width` and `height`

●Network Requests

●Network Round Trip Times 180 ms

●Server Backend Latencies 270 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Avoid multiple page redirects

●Avoid large layout shifts 3 layout shifts found

○INP breakdown

○Avoid non-composited animations

Accessibility

ARIA

Some ARIA child roles must be contained by specific parent roles to properly perform their intended accessibility functions. Learn more about ARIA roles and required parent element.

Failing Elements
Product `nav.flex > div.mt-3 > div.flex > div.flex`
Solutions `nav.flex > div.mt-3 > div.flex > div.flex`
Resources `nav.flex > div.mt-3 > div.flex > div.flex`
Pricing `nav.flex > div.mt-3 > div.flex > div.flex`
Company `nav.flex > div.mt-3 > div.flex > div.flex`

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

Navigation

A value greater than 0 implies an explicit navigation ordering. Although technically valid, this often creates frustrating experiences for users who rely on assistive technologies. Learn more about the `tabindex` attribute.

Failing Elements
Solutions `nav.flex > div.mt-3 > div.flex > div.flex`
Resources `nav.flex > div.mt-3 > div.flex > div.flex`
Pricing `nav.flex > div.mt-3 > div.flex > div.flex`
Company `nav.flex > div.mt-3 > div.flex > div.flex`

Failing Elements
Product `div.grid > div.space-y-8 > div > h4.mb-[7px]`

These are opportunities to improve keyboard navigation in your application.

Best practices

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Failing Elements
Product `nav.flex > div.mt-3 > div.flex > div.flex`
Solutions `nav.flex > div.mt-3 > div.flex > div.flex`
Resources `nav.flex > div.mt-3 > div.flex > div.flex`
Pricing `nav.flex > div.mt-3 > div.flex > div.flex`
Company `nav.flex > div.mt-3 > div.flex > div.flex`
Start free `div.flex > div.relative > div.mt-6 > a.inline-block`

One main landmark helps screen reader users navigate a web page. Learn more about landmarks.

Failing Elements
html `html`

These items highlight common accessibility best practices.

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.

Failing Elements
How Booking.com simplified order management with CockroachDB `div.slick-slide > div > div.px-4 > a.block`
Kaizen Gaming bets big on distributed SQL `div.slick-slide > div > div.px-4 > a.block`
Why SumUp chose CockroachDB for global payments `div.slick-slide > div > div.px-4 > a.block`
FINTECH Why these three fintech companies scaled with distributed SQL From re… `div.relative > div.grid > div > a.group`
PRODUCT Vertical vs. horizontal scaling: What’s the difference and which is be… `div.relative > div.grid > div.flex > a.group`
AI 1,000+ tech leaders know AI is scaling faster than systems can adapt `div.relative > div.grid > div.flex > a.group`
ENGINEERING Rethinking the Global Reporting Platform `div.relative > div.grid > div.flex > a.group`
SCALE & RESILIENCE SQL DROP COLUMN and ADD COLUMN: adding and removing columns… `div.relative > div.grid > div.flex > a.group`

○Interactive controls are keyboard focusable

○Interactive elements indicate their purpose and state

○The page has a logical tab order

○Visual order on the page follows DOM order

○User focus is not accidentally trapped in a region

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

○HTML5 landmark elements are used to improve navigation

○Offscreen content is hidden from assistive technology

○Custom controls have associated labels

○Custom controls have ARIA roles

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

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

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

●`[role]` values are valid

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

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

●Buttons have an accessible name

●Image elements have `[alt]` attributes

●Form elements have associated labels

●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.

●`button`, `link`, and `menuitem` elements have accessible names

●ARIA attributes are used as specified for the element's role

●`[aria-hidden="true"]` elements do not contain focusable descendents

●Elements use only permitted ARIA attributes

●Background and foreground colors have a sufficient contrast ratio

●Document has a `<title>` element

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

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

●Links 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

●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.

○Elements with the `role=text` attribute do not have focusable descendents.

○ARIA toggle fields have accessible names

○ARIA `tooltip` elements have accessible names

○ARIA `treeitem` elements have accessible names

○The page contains a heading, skip link, or landmark region

○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.

○Definition list items are wrapped in `<dl>` elements

○ARIA IDs are unique

○No form fields have multiple labels

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

○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.

○Input buttons have discernible text.

○`<input type="image">` elements have `[alt]` text

○The document does not use `<meta http-equiv="refresh">`

○`<object>` elements have alternate text

○Select elements have associated label elements.

○Skip links are focusable.

○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.

○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.

○`[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.

Deprecation / Warning	Source
Unload event listeners are deprecated and will be removed.	ws.zoominfo.com/pixel/624b4126b50440001cf171b5
AttributionReporting	connect.facebook.net/en_US/fbevents.js line 273, col 769

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Source	Description
www.cockroachlabs.com/	`Access to XMLHttpRequest at 'https://secure.adnxs.com/getuidj' from origin 'https://www.cockroachlabs.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.`
secure.adnxs.com/getuidj	`Failed to load resource: net::ERR_FAILED`
x.clearbitjs.com/v1/pk_3086d71a174cf8674f725fef7d459988/forms.js?page_path=%2F	`Failed to load resource: the server responded with a status of 404 ()`
boards.greenhouse.io/embed/job_board/js?for=cockroachlabs line 149, col 22	`Uncaught TypeError: Cannot set properties of null (setting 'innerHTML')`

URL	Map URL
www.cockroachlabs.com/_next/static/chunks/2053-7bbc002aee614434.js
/next-integrations/integrations/vendor/commons.59560acdd6...	/next-integrations/integrations/vendor/commons.59560acdd6...
/next-integrations/integrations/madkudu/2.0.2/madkudu.dyn...	cdn.segment.com/next-integrations/integrations/madkudu/2.0.2/madkudu.js.map
/analytics.js/v1/Mz68FzJ2r4poMQ4bQTniyvZF9yF0ycET/analyti...	/analytics.js/v1/Mz68FzJ2r4poMQ4bQTniyvZF9yF0ycET/standal...
/analytics-next/bundles/schemaFilter.bundle.1b218d13fed02...	/analytics-next/bundles/schemaFilter.bundle.1b218d13fed02...
/analytics-next/bundles/ajs-destination.bundle.8e6b895db7...	/analytics-next/bundles/ajs-destination.bundle.8e6b895db7...
cdn.madkudu.com/madkudu.js/v1/ce47e023e6d766f7a3e9e4f9529b5228/madkudu.min.js	/madkudu.js/v1/ce47e023e6d766f7a3e9e4f9529b5228/madkudu.m...

●Uses HTTPS

●Avoids third-party cookies

●Allows users to paste into input fields

●Avoids requesting the geolocation permission on page load

●Avoids requesting the notification permission on page load

●Displays images with correct aspect ratio

●Serves images with appropriate resolution

●Page has the HTML doctype

●Properly defines charset

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

●Ensure CSP is effective against XSS attacks

●Use a strong HSTS policy

●Ensure proper origin isolation with COOP

●Mitigate clickjacking with XFO or CSP

●Mitigate DOM-based XSS with Trusted Types

●Detected JavaScript libraries

○Redirects HTTP traffic to HTTPS

SEO

Content Best Practices

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

Link destination	Link Text
www.cockroachlabs.com/privacy/	here

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

○Structured data is valid

●Page isn’t blocked from indexing

●Document has a `<title>` element

●Document has a meta description

●Page has successful HTTP status code

●Links are crawlable

●robots.txt is valid

●Image elements have `[alt]` attributes

●Document has a valid `hreflang`

●Document has a valid `rel=canonical`

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