C — https://bell-labs.com | BeaverCheck Audit

Site Health

Score: 71 / 100

Based on 8 categories, 0 sections

Decent speed, but optimizing further could improve engagement.

Good foundation, but a few gaps could be exploited.

Several issues make your site difficult for assistive technology users.

Solid SEO basics — a few optimizations could boost rankings.

Good server performance with room for optimization.

Several regulatory requirements are not yet met.

Missing metadata means poor previews on social media and search.

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

Google Search Console · 2306 peers

You 71

Avg 73

At average

0 50 100

Better than 23% of Google Search Console sites See full Google Search Console benchmark →

Microsoft · 1467 peers

You 71

Avg 72

At average

0 50 100

Better than 25% of Microsoft sites See full Microsoft benchmark →

Top Priorities (5)

HSTS header is missing

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

Security › Security Headers

Page weighs 81.1 MB (14.8 MB transferred)

Performance issues directly impact user engagement and conversion rates.

Performance › Page Weight Budget

No <main> landmark found

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

Accessibility › Landmark Structure

No favicon or icon links detected

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

Accessibility › Favicon & Branding

337 third-party resources (100% of weight)

Performance issues directly impact user engagement and conversion rates.

Performance › Page Weight Inventory

View fix priority matrix

Fix Priority Matrix

5 findings

Impact

Quick Wins

High impact, low effort — start here.

Strategic

High impact, requires investment.

Easy Improvements

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →

Embed this badge

Markdown

[![BeaverCheck](https://beavercheck.com/badge?url=https%3A%2F%2Fbell-labs.com)](https://beavercheck.com/results/32517d66-b0ab-4088-8e99-38a398a33e25)

HTML

<a href="https://beavercheck.com/results/32517d66-b0ab-4088-8e99-38a398a33e25"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Fbell-labs.com" alt="BeaverCheck Score"></a>

Image URL

https://beavercheck.com/badge?url=https%3A%2F%2Fbell-labs.com

This badge auto-updates with your latest scan result.

What fixing these means

Your site performs reasonably well, but a few targeted fixes could meaningfully improve results. Your LCP of 18.6s exceeds Google's 2.5s 'Good' threshold and the 2 performance issues below directly contribute to it. Accessibility issues exclude users who rely on assistive technology — an estimated 15% of your potential audience. Addressing the critical issues below would have the most immediate impact on your user trust.

1 security gap detected — browsers may warn visitors about your site.

Your LCP is 18.6s — fixing the 2 performance criticals could bring it under Google's 2.5s 'Good' threshold.

2 accessibility issues exclude users who rely on assistive technology.

Conversion Barriers

4 critical 7 warning

11 barrier(s) likely increasing bounce by ~41%.

Speed (2)

Page takes 18.6s to load

+12% bounce

Users abandon at ~3s — you're 16.1s over the 2.5s threshold

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

Page feels frozen for 2.5s

+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

Usability (2)

Severe layout shift during page load

+6% bounce

Users mis-click when content jumps — converting intent into frustration

Fix: Reserve space for images, ads, and embeds with explicit width/height

No viewport meta tag

+15% bounce

Mobile browsers render at desktop width and shrink — text unreadable, tap targets miniature

Fix: Add <meta name="viewport" content="width=device-width, initial-scale=1">

Content (4)

No Open Graph tags

+2% bounce

Links shared on LinkedIn / Slack / Facebook show bare URLs — referral clicks drop

Fix: Add og:title, og:description, og:image, og:url to the page head

No structured data

+2% bounce

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

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

Thin content

+3% bounce

Under 300 words — visitors bounce looking for substance, search engines rank competitors first

Fix: Add a substantive FAQ, product detail, or case-study section

Content is hard to read

+2% bounce

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

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

Navigation (1)

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

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

Return on Investment

€600 investment → €3.46/month returns + EUR 120,500,000 risk avoided

Payback period: > 2 years First-year ROI: -93%

Investment

€600

8h · 5 findings

Monthly returns

€3.46 /mo

~€41 / year

Bandwidth savings €3.46

Regulatory risk avoided

EUR 120,500,000

if kept compliant

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

€40 — in quick wins — start here for the fastest payback

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

Full methodology & sources

Estimated Remediation Cost

€600

7.5 developer hours at €80/hr

Based on Finland rates (€80/hr)

Quick wins

€40 1 fixes in ~30 minutes

Start here for the best return on investment

Cost by category

Cost by effort level

Adjust assumptions

Custom rate

€ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

€10,041,670 / month at risk

~€120,500,041 / year if left unfixed

Compliance Risk

€120,500,000

ePrivacy DirectiveGDPREAA

No privacy policy link detected
GDPR: EUR 10,000 – EUR 20,000,000
Trackers detected but no cookie policy found
GDPR: EUR 5,000 – EUR 10,000,000
Trackers detected but no cookie policy found
GDPR: EUR 10,000 – EUR 20,000,000

+6 more

Bandwidth Waste

€3.46 /mo

46660.6 MB/mo × 0.074 EUR/GB

Optimize transfer: save ~4.7 MB per page load
Saves €3.46/mo

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

Compliance methodology · SEO assumptions · Bandwidth model

Your performance is already good — improvements may show diminishing returns

Monthly visitors

Unique monthly visitors from your analytics

Conversion rate (%)

Purchases, signups, or key actions

Avg. order value

Optional — for revenue estimation

additional conversions/month

more engaged visitors from reduced bounce

potential monthly revenue

Current bounce (est.)

After fixes (est.)

Estimated bounce reduction

Fix 4 critical issues to capture this value

How this is calculated

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

Your site's LCP: → estimated after fixes.

These are estimates based on industry research — actual results vary

Bounce-rate model & assumptions

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

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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

Performance

Accessibility

Best Practices

100

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.

6.55 s

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

18.61 s

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

2.46 s

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

0.704

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

16.96 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.

28.74 s

Detailed Report

Audit breakdown by category with detailed findings.

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling

Why this matters

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

Learn more ▾

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

Source: Google web.dev / Lighthouse

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Request	Cache TTL	Transfer Size
cdn.cookielaw.org/scripttemplates/202507.1.0/otBannerSdk.js	86400.0 s	120.0 KiB
rtp-static.marketo.com/rtp/libs/ga-integration-2.0.5.js	0.0 ms	6.0 KiB
rtp-static.marketo.com/rtp/libs/jquery-ui-insightera-custom-1.9.6.css	0.0 ms	4.2 KiB
cdn.cookielaw.org/scripttemplates/otSDKStub.js	86400.0 s	9.1 KiB
s.go-mpulse.net/boomerang/Y93K3-6TW6G-ESTV2-DHSA8-F37E9	604800.0 s	34.5 KiB
i.ytimg.com/vi/oHJEL5rtleU/default.jpg	7200.0 s	3.3 KiB
i.ytimg.com/vi/JdqXIpqalP8/default.jpg	7200.0 s	3.3 KiB
i.ytimg.com/vi_webp/SCCvLPqtur8/default.webp	7200.0 s	2.8 KiB
i.ytimg.com/vi_webp/BnZ9KO4aFI0/default.webp	7200.0 s	2.7 KiB
i.ytimg.com/vi/g79BdkOr9_M/default.jpg	7200.0 s	2.7 KiB
munchkin.marketo.net/munchkin-beta.js	0.0 ms	1.1 KiB
/vi/JdeTo4V_Jf0/default.jpg?sqp=-oaymwEkCHgQWvKriqkDGvABA...	7200.0 s	1.5 KiB
rtp-static.marketo.com/rtp/libs/jqueryui/1.13.2/jquery-custom-ui.min.js	0.0 ms	0 B
sjrtp8-cdn.marketo.com/rtp-api/v1/rtp.js?aid=nokia2	282.0 s	0 B
rtp-static.marketo.com/rtp/libs/jquery/3.7.0/jquery.min.js	0.0 ms	0 B
i.ytimg.com/vi/oHJEL5rtleU/default.jpg	7200.0 s	0 B
i.ytimg.com/vi/JdqXIpqalP8/default.jpg	7200.0 s	0 B
i.ytimg.com/vi_webp/SCCvLPqtur8/default.webp	7200.0 s	0 B
i.ytimg.com/vi/g79BdkOr9_M/default.jpg	7200.0 s	0 B
i.ytimg.com/vi_webp/BnZ9KO4aFI0/default.webp	7200.0 s	0 B
i.ytimg.com/vi_webp/BnZ9KO4aFI0/default.webp	7200.0 s	0 B
/vi/JdeTo4V_Jf0/default.jpg?sqp=-oaymwEkCHgQWvKriqkDGvABA...	7200.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

items: [map[node:map[type:text value:Total] score:0.000693] map[node:map[boundingRect:map[bottom:0 height:0 left:0 right:0 top:0 width:0] lhId:page-1-DIV nodeLabel:Nokia Bell Labs path:1,HTML,1,BODY,0,DIV,2,MAIN,0,DIV,2,DIV,0,OL,1,LI,0,A,0,DIV selector:ol.breadcrumb > li > a > div.nav-txt snippet:<div class="nav-txt nav-last-child"> type:node] score:0.000693 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:1351 height:214 left:16 right:396 top:1138 width:380] lhId:page-25-IMG nodeLabel:Sensing in 6G network path:1,HTML,1,BODY,0,DIV,2,MAIN,0,DIV,3,ARTICLE,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,2,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,ARTICLE,0,DIV,0,DIV,0,A,0,PICTURE,2,IMG selector:div.video > a.media-video-container > picture > img snippet:<img loading="lazy" src="https://www.nokia.com/sites/default/files/2025-12/thumbnail_sensing-bits-o…" alt="Sensing in 6G network" width="437" height="246" draggable="false"> type:node]] map[cause:Web font extra:map[type:url value:https://www.nokia.com/themes/custom/onenokia_reskin/fonts/nokia/nokiapureheadline_bold.woff]] map[cause:Web font extra:map[type:url value:https://www.nokia.com/themes/custom/onenokia_reskin/fonts/nokia/nokiapureheadline_regular.woff]] map[cause:Web font extra:map[type:url value:https://www.nokia.com/themes/custom/onenokia_reskin/fonts/nokia/nokiapureheadline_light.woff]]] type:subitems]]]

items: [map[node:map[type:text value:Total] score:0.704221] map[node:map[boundingRect:map[bottom:853 height:823 left:0 right:412 top:30 width:412] lhId:page-6-DIV nodeLabel:Nokia Bell Labs celebrates 100 years of innovation Visit our hub page path:1,HTML,1,BODY,0,DIV,2,MAIN,0,DIV,3,ARTICLE,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV selector:div.paragraph > div.t11-campaign-landing > div.top-content-region > div.swiper snippet:<div class="swiper carousel__m3-dark swiper-initialized swiper-horizontal swiper-andro…" data-once="swiperCustom"> type:node] score:0.704221 subItems:map[items:[map[cause:Web font extra:map[type:url value:https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2]]] type:subitems]]]

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

items: [map[reflowTime:154.032 source:map[column:14231 line:23 type:source-location url:https://www.nokia.com/bell-labs/ urlProvider:network]]]

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

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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:716.551 label:Time to first byte subpart:timeToFirstByte] map[duration:2335.437 label:Resource load delay subpart:resourceLoadDelay] map[duration:1734.837 label:Resource load duration subpart:resourceLoadDuration] map[duration:-996.753 label:Element render delay subpart:elementRenderDelay]]

lhId: page-0-VIDEO

nodeLabel: div.carousel__background-media-wrapper > div.swiper-slide > div.video-container > video#video

path: 1,HTML,1,BODY,0,DIV,2,MAIN,0,DIV,3,ARTICLE,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,VIDEO

selector: div.carousel__background-media-wrapper > div.swiper-slide > div.video-container > video#video

snippet: <video fetchpriority="high" data-slide-index="" id="video" autoplay="" muted="" playsinline="" loop="" webkit-playsinline="" x5-playsinline="">

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-0-VIDEO

nodeLabel: div.carousel__background-media-wrapper > div.swiper-slide > div.video-container > video#video

path: 1,HTML,1,BODY,0,DIV,2,MAIN,0,DIV,3,ARTICLE,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,VIDEO

selector: div.carousel__background-media-wrapper > div.swiper-slide > div.video-container > video#video

snippet: <video fetchpriority="high" data-slide-index="" id="video" autoplay="" muted="" playsinline="" loop="" webkit-playsinline="" x5-playsinline="">

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

More than 4 preconnect connections were found. These should be used sparingly and only to the most important origins.

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

title: Preconnected origins

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

title: Preconnect candidates

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size	Duration
/sites/default/files/css/css_AF0gJPO2-Of1fai0hS40b8jh_25u...	266.0 KiB
/sites/default/files/css/css_RbCe2DtIXKwwEy9AEjkz8WMoNumJ...	4.7 KiB
/sites/default/files/css/css_W67ekcsP5l5UldyoZ7KoWm-IAzrN...	11.8 KiB	150 ms
www.nokia.com/themes/custom/onenokia_reskin/css/app-webpack.css?tdthet	277.9 KiB	1.4 s
/sites/default/files/external-assets/https_unpkg_com_swip...	3.2 KiB
cdn.cookielaw.org/scripttemplates/otSDKStub.js	9.1 KiB	773 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Est Savings
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2	10 ms
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBA.woff2	10 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL	Resource Size	Est Savings
Hussam Batshon in the lab `article.c1-reference--reference-item > div.c1-reference__media-container > picture > img`	www.nokia.com/sites/default/files/2025-03/1_phussam-batshon.jpg?height=&width=	159.6 KiB	119.1 KiB
a bit of tech podcast promo `article.c1-reference--reference-item > div.c1-reference__media-container > picture > img`	/sites/default/files/2025-03/nok4025-a-bit-of-tech-youtub...	127.1 KiB	86.6 KiB
KT and Bell Labs signing MoU `article.c1-reference--reference-item > div.c1-reference__media-container > picture > img`	www.nokia.com/sites/default/files/2025-03/lead_kt-mou-mwc25.jpg?height=&width=	81.2 KiB	50.4 KiB
Sensing in 6G network `div.video > a.media-video-container > picture > img`	/sites/default/files/2025-12/thumbnail_sensing-bits-of-im...	47.6 KiB	29.5 KiB
abstract image `article.c23-component-item > div.c23-component__image-container > picture > img`	/sites/default/files/2025-12/abstract-image-of-ai.jpg?hei...	35.9 KiB	22.9 KiB
Bell labs researchers `div.m17-cta__wrapper > div.m17-cta__media-container > picture > img`	www.nokia.com/sites/default/files/2025-03/cta-centenial.jpg?height=390&width=767	42.3 KiB	16.2 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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

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: 2.3 s

URL	Time Spent
bell-labs.com/	1.4 s
www.bell-labs.com/	925 ms
www.nokia.com/bell-labs/	0.0 ms

These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to windowing. Learn how to improve CLS

Why this matters

Performance issues directly impact user engagement and conversion rates.

Element	Layout shift score
Nokia Bell Labs celebrates 100 years of innovation Visit our hub page `div.paragraph > div.t11-campaign-landing > div.top-content-region > div.swiper`	0.704
Nokia Bell Labs `ol.breadcrumb > li > a > div.nav-txt`	0.001

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 150 ms 28.4 KiB

URL	Transfer Size	Est Savings
www.nokia.com/themes/custom/onenokia_reskin/css/app-webpack.css?tdthet	277.9 KiB	14.5 KiB
/sites/default/files/css/css_AF0gJPO2-Of1fai0hS40b8jh_25u...	266.0 KiB	13.9 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 2.6 s 539.9 KiB

URL	Transfer Size	Est Savings
www.nokia.com/themes/custom/onenokia_reskin/css/app-webpack.css?tdthet	277.2 KiB	269.9 KiB
/sites/default/files/css/css_AF0gJPO2-Of1fai0hS40b8jh_25u...	266.0 KiB	259.4 KiB
/sites/default/files/css/css_W67ekcsP5l5UldyoZ7KoWm-IAzrN...	11.1 KiB	10.6 KiB

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

Why this matters

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

Learn more ▾

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

Source: Google web.dev / Lighthouse

Estimated savings: 310 ms 302.1 KiB

URL	Transfer Size	Est Savings
/sites/default/files/js/js_8Tw_cTVYESATnHJozICVsQU0e55uFh...	144.2 KiB	91.9 KiB
cdn.cookielaw.org/scripttemplates/202507.1.0/otBannerSdk.js	119.8 KiB	75.2 KiB
www.googletagmanager.com/gtag/js?id=G-D6GE5QF247&cx=c&gtm=4e64h1	168.2 KiB	64.4 KiB
/sites/default/files/js/js_vSkNsEPV-E67VcdVA2XyoeqfvUlvdq...	53.0 KiB	36.8 KiB
/sites/default/files/external-assets/https_unpkg_com_swip...	51.6 KiB	33.7 KiB

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Total CPU Time	Script Evaluation	Script Parse
www.nokia.com/bell-labs/	7.3 s	2.7 s	88 ms
Unattributable	2.6 s	229 ms	0.0 ms
sjrtp8-cdn.marketo.com/rtp-api/v1/rtp.js?aid=nokia2	643 ms	443 ms	68 ms
www.googletagmanager.com/gtm.js?id=GTM-5433JV	626 ms	545 ms	72 ms
www.googletagmanager.com/gtag/js?id=G-D6GE5QF247&cx=c&gtm=4e64h1	495 ms	398 ms	94 ms
js-agent.newrelic.com/page_view_event-aggregate.06482edd-1.236.0.min.js	481 ms	343 ms	1.6 ms
www.youtube.com/s/player/218d9d92/www-widgetapi.vflset/www-widgetapi.js	290 ms	264 ms	4.1 ms
cdn.cookielaw.org/scripttemplates/202507.1.0/otBannerSdk.js	259 ms	130 ms	86 ms
/sites/default/files/css/css_9jcEuGwKsXb7RPkuMsbnoDIHC8Yw...	258 ms	0.0 ms	0.0 ms
www.nokia.com/themes/custom/onenokia_reskin/css/app-webpack.css?tdthet	256 ms	0.0 ms	0.0 ms
/sites/default/files/external-assets/https_unpkg_com_swip...	256 ms	25 ms	28 ms
rtp-static.marketo.com/rtp/libs/jqueryui/1.13.2/jquery-custom-ui.min.js	146 ms	54 ms	90 ms
s.go-mpulse.net/boomerang/Y93K3-6TW6G-ESTV2-DHSA8-F37E9	143 ms	108 ms	15 ms
rtp-static.marketo.com/rtp/libs/ga-integration-2.0.5.js	131 ms	95 ms	2.3 ms
/sites/default/files/js/js_vSkNsEPV-E67VcdVA2XyoeqfvUlvdq...	88 ms	39 ms	48 ms
js-agent.newrelic.com/lazy-feature-loader.2f55ce66-1.236.0.min.js	82 ms	80 ms	0.5 ms
js-agent.newrelic.com/session-manager.2a64278a-1.236.0.min.js	66 ms	60 ms	3.3 ms
rtp-static.marketo.com/rtp/libs/jquery/3.7.0/jquery.min.js	54 ms	32 ms	19 ms
cdn.cookielaw.org/scripttemplates/otSDKStub.js	52 ms	42 ms	3.5 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Category	Time Spent
Script Evaluation	5.8 s
Other	4.8 s
Style & Layout	2.0 s
Script Parsing & Compilation	655 ms
Parse HTML & CSS	634 ms
Garbage Collection	407 ms
Rendering	350 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size
www.nokia.com/sites/default/files/2025-02/nbl_100_m3_banner_1920x1080.mp4	9.4 MiB
www.youtube.com/s/player/218d9d92/player_embed.vflset/en_US/base.js	471.6 KiB
www.youtube.com/s/player/218d9d92/player_embed_es6.vflset/en_US/base.js	435.8 KiB
www.youtube.com/s/player/1bb6ee63/player_embed_es6.vflset/en_US/base.js	435.7 KiB
www.nokia.com/themes/custom/onenokia_reskin/css/app-webpack.css?tdthet	277.9 KiB
/sites/default/files/css/css_AF0gJPO2-Of1fai0hS40b8jh_25u...	266.0 KiB
/s/_/ytembeds/_/js/k=ytembeds.base.en_US.iLl3DKTx01E.es5....	214.7 KiB
/s/_/ytembeds/_/js/k=ytembeds.base.en_US.CYE28xQTWxU.2021...	193.0 KiB
www.googletagmanager.com/gtag/js?id=G-D6GE5QF247&cx=c&gtm=4e64h1	168.2 KiB
www.nokia.com/sites/default/files/2025-12/abot-ep6-thumbnail.jpg?height=&width=	167.0 KiB

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

●Optimize DOM size

●Modern HTTP

●Optimize viewport for mobile

●Minify JavaScript

●User Timing marks and measures 7 user timings

●Avoid long main-thread tasks 20 long tasks found

●Avoid non-composited animations 10 animated elements found

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

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 220 ms

●Server Backend Latencies 250 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Initial server response time was short Root document took 20 ms

○INP breakdown

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

Some ARIA roles have required attributes that describe the state of the element to screen readers. Learn more about roles and required attributes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Quantum `div.tabbed-module > div.container > div.accordion > div.accordion__button`
Space communication `div.tabbed-module > div.container > div.accordion > div.accordion__button`
Artificial intelligence `div.tabbed-module > div.container > div.accordion > div.accordion__button`
Foundational technologies `div.tabbed-module > div.container > div.accordion > div.accordion__button`
Sensing `div.tabbed-module > div.container > div.accordion > div.accordion__button`

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Research blogs `div.st-xsmall > div.c06 > div.simple-text__body > h4`
AI-enhance wireless reliability: joint source and channel coding for robust 6G … `div.container > div.nr > article.c23-component-item > h4.c23-component__title`
Looking for Nokia licensed products support? `div > div#block-onenokia-reskin-nokiareskinmynokia-2 > div.external-link > h6`

These are opportunities to improve keyboard navigation in your application.

Names and labels

Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
body.site-nokiacom > div.layout-container > a#main-content `body.site-nokiacom > div.layout-container > a#main-content`
div.nokia-footer--social > ul.nokia-footer__menu-social > li > a `div.nokia-footer--social > ul.nokia-footer__menu-social > li > a`
div.nokia-footer--social > ul.nokia-footer__menu-social > li > a `div.nokia-footer--social > ul.nokia-footer__menu-social > li > a`
div.nokia-footer--social > ul.nokia-footer__menu-social > li > a `div.nokia-footer--social > ul.nokia-footer__menu-social > li > a`
div.nokia-footer--social > ul.nokia-footer__menu-social > li > a `div.nokia-footer--social > ul.nokia-footer__menu-social > li > a`
div.nokia-footer--social > ul.nokia-footer__menu-social > li > a `div.nokia-footer--social > ul.nokia-footer__menu-social > li > a`

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

Visible text labels that do not match the accessible name can result in a confusing experience for screen reader users. Learn more about accessible names.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
AI-enhance wireless reliability: joint source and channel coding for robust 6G … `div.nr > article.c23-component-item > h4.c23-component__title > a.media-video-container`
A 2025 recap of "a bit of tech" `div.nr > article.c23-component-item > h4.c23-component__title > a.media-video-container`
Cookie Policy `div#onetrust-group-container > div#onetrust-policy > div#onetrust-policy-text > a.ot-cookie-policy-link`
General Privacy Notice `div#onetrust-group-container > div#onetrust-policy > div#onetrust-policy-text > a.ot-imprint-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]` values are valid

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

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

●Buttons have an accessible name

●Image elements have `[alt]` attributes

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

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

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

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

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

●Elements use only permitted ARIA attributes

●Background and foreground colors have a sufficient contrast ratio

●Document has a `<title>` element

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

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

●Links are distinguishable without relying on color.

●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.

●Document has a main landmark.

●Deprecated ARIA roles were not used

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

●Uses ARIA roles only on compatible elements

○`[accesskey]` values are unique

○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

○Form elements have associated labels

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

○`<object>` elements have alternate text

○Select elements have associated label elements.

○Skip links are focusable.

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

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

○`[lang]` attributes have a valid value

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

○All heading elements contain content.

○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.

Best Practices

General

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Source	Description
/themes/custom/onenokia_reskin/fonts/nokia/nokiapureheadl...	`Failed to load resource: the server responded with a status of 403 ()`
/themes/custom/onenokia_reskin/fonts/nokia/nokiapureheadl...	`Failed to load resource: the server responded with a status of 403 ()`
/themes/custom/onenokia_reskin/fonts/nokia/nokiapureheadl...	`Failed to load resource: the server responded with a status of 403 ()`
/themes/custom/onenokia_reskin/fonts/nokia/nokiapureheadl...	`Failed to load resource: the server responded with a status of 403 ()`
www.nokia.com/themes/custom/onenokia_reskin/logo.svg	`Failed to load resource: the server responded with a status of 403 ()`

●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 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

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

○Mitigate clickjacking with XFO or CSP

100

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.

○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 have descriptive text

●Links are crawlable

●Image elements have `[alt]` attributes

●Document has a valid `hreflang`

●Document has a valid `rel=canonical`

○robots.txt is valid

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

Performance

Accessibility

Best Practices

100

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.

2.01 s

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

8.12 s

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

494 ms

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

0.488

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

5.72 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.

8.12 s

Detailed Report

Audit breakdown by category with detailed findings.

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Why this matters

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

Learn more ▾

Source: Google web.dev / Lighthouse

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Request	Cache TTL	Transfer Size
cdn.cookielaw.org/scripttemplates/202507.1.0/otBannerSdk.js	86400.0 s	120.0 KiB
rtp-static.marketo.com/rtp/libs/ga-integration-2.0.5.js	0.0 ms	6.0 KiB
rtp-static.marketo.com/rtp/libs/jquery-ui-insightera-custom-1.9.6.css	0.0 ms	4.2 KiB
cdn.cookielaw.org/scripttemplates/otSDKStub.js	86400.0 s	9.1 KiB
s.go-mpulse.net/boomerang/Y93K3-6TW6G-ESTV2-DHSA8-F37E9	604800.0 s	34.5 KiB
i.ytimg.com/vi/oHJEL5rtleU/default.jpg	7200.0 s	3.3 KiB
i.ytimg.com/vi/JdqXIpqalP8/default.jpg	7200.0 s	3.3 KiB
i.ytimg.com/vi_webp/SCCvLPqtur8/default.webp	7200.0 s	2.8 KiB
i.ytimg.com/vi_webp/BnZ9KO4aFI0/default.webp	7200.0 s	2.7 KiB
i.ytimg.com/vi/g79BdkOr9_M/default.jpg	7200.0 s	2.7 KiB
munchkin.marketo.net/munchkin-beta.js	0.0 ms	1.1 KiB
/vi/JdeTo4V_Jf0/default.jpg?sqp=-oaymwEkCHgQWvKriqkDGvABA...	7200.0 s	1.5 KiB
static.doubleclick.net/instream/ad_status.js	900.0 s	495 B
rtp-static.marketo.com/rtp/libs/jqueryui/1.13.2/jquery-custom-ui.min.js	0.0 ms	0 B
sjrtp8-cdn.marketo.com/rtp-api/v1/rtp.js?aid=nokia2	205.0 s	0 B
rtp-static.marketo.com/rtp/libs/jquery/3.7.0/jquery.min.js	0.0 ms	0 B
i.ytimg.com/vi/oHJEL5rtleU/default.jpg	7200.0 s	0 B
i.ytimg.com/vi/JdqXIpqalP8/default.jpg	7200.0 s	0 B
i.ytimg.com/vi_webp/SCCvLPqtur8/default.webp	7200.0 s	0 B
i.ytimg.com/vi/g79BdkOr9_M/default.jpg	7200.0 s	0 B
i.ytimg.com/vi_webp/BnZ9KO4aFI0/default.webp	7200.0 s	0 B
i.ytimg.com/vi_webp/BnZ9KO4aFI0/default.webp	7200.0 s	0 B
/vi/JdeTo4V_Jf0/default.jpg?sqp=-oaymwEkCHgQWvKriqkDGvABA...	7200.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
static.doubleclick.net/instream/ad_status.js	900.0 s	0 B
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static.doubleclick.net/instream/ad_status.js	900.0 s	0 B

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

items: [map[node:map[type:text value:Total] score:0.48821000000000003] map[node:map[boundingRect:map[bottom:970 height:940 left:0 right:1350 top:30 width:1350] lhId:page-5-DIV nodeLabel:Nokia Bell Labs celebrates 100 years of innovation Visit our hub page path:1,HTML,1,BODY,0,DIV,2,MAIN,0,DIV,3,ARTICLE,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV selector:div.paragraph > div.t11-campaign-landing > div.top-content-region > div.swiper snippet:<div class="swiper carousel__m3-dark swiper-initialized swiper-horizontal swiper-backf…" data-once="swiperCustom"> type:node] score:0.487628 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:1389 height:235 left:466 right:884 top:1154 width:418] lhId:page-26-IMG nodeLabel:Sensing in 6G network path:1,HTML,1,BODY,0,DIV,2,MAIN,0,DIV,3,ARTICLE,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,2,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,ARTICLE,0,DIV,0,DIV,0,A,0,PICTURE,2,IMG selector:div.video > a.media-video-container > picture > img snippet:<img loading="lazy" src="/sites/default/files/2025-12/thumbnail_sensing-bits-of-imagination.jpg?hei…" alt="Sensing in 6G network" width="437" height="246" draggable="false"> type:node]] map[cause:Web font extra:map[type:url value:https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2]] map[cause:Web font extra:map[type:url value:https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2]] map[cause:Web font extra:map[type:url value:https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2]] map[cause:Web font extra:map[type:url value:https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2]] map[cause:Web font extra:map[type:url value:https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2]] map[cause:Web font extra:map[type:url value:https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2]]] type:subitems]] map[node:map[boundingRect:map[bottom:96 height:66 left:424 right:1010 top:30 width:586] lhId:page-1-DIV nodeLabel:Solutions Insights and innovation Collaborate with us We are Nokia path:1,HTML,1,BODY,0,DIV,0,HEADER,0,DIV,0,DIV,1,DIV,1,DIV selector:div.navigation-wrapper-outer > div#nokia-global-header > div.nokia-header__menu-main-wrapper > div.dropdown-mainmenu-wrapper snippet:<div class="dropdown-mainmenu-wrapper d-flex-desktop"> type:node] score:0.000474 subItems:map[items:[map[cause:Web font extra:map[type:url value:https://www.nokia.com/themes/custom/onenokia_reskin/fonts/nokia/nokiapureheadline_light.woff]]] type:subitems]] map[node:map[boundingRect:map[bottom:0 height:0 left:0 right:0 top:0 width:0] lhId:page-3-BUTTON nodeLabel: 100 years of innovation path:1,HTML,1,BODY,0,DIV,2,MAIN,0,DIV,3,ARTICLE,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,3,DIV,0,DIV,0,BUTTON selector:div.swiper > div.swiper-custom-pagination > div.swiper__nav-button > button.swiper-pagination-button1 snippet:<button class="swiper-pagination-button1 swiper-pagination-buttons active"> type:node] score:0.000108 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:2140 height:229 left:911 right:1318 top:1910 width:407] lhId:page-25-IMG nodeLabel:water bubble and color path:1,HTML,1,BODY,0,DIV,2,MAIN,0,DIV,3,ARTICLE,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,2,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,1,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,ARTICLE,0,DIV,0,PICTURE,2,IMG selector:article.c1-reference--reference-item > div.c1-reference__media-container > picture > img snippet:<img loading="lazy" src="/sites/default/files/2025-05/thumb-social-media-quantum-5-misconceptions-o…" alt="water bubble and color" width="437" height="246"> type:node]]] type:subitems]]]

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.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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

items: [map[reflowTime:317.697 source:map[column:14231 line:23 type:source-location url:https://www.nokia.com/bell-labs/ 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:77.675 source:map[column:85575 line:2 type:source-location url:https://www.nokia.com/sites/default/files/js/js_8Tw_cTVYESATnHJozICVsQU0e55uFhAeY_p34iQpzcg.js?scope=footer&delta=0&language=en&theme=onenokia_reskin&include=eJx9k9tu2zAMhl8oqrF0w66HAAMGrECx9V6gJVpmKomaDm68px-TdN0CJb2QLZMfJR5-G8442NwS-DtolQ2H5LHiZgIzyLqT9f9eJ98cxY1jdh71C44Tx6o9g8WsIdFwadpEfibQppXKQTvPI3g949E13HbpwBb8a2xByGYezi91keQlkBAFyGjYRarE8dXfkoWKZaApQ0Dl4TdN64Yjnt0jFNR1xoBDglJoQY0Lxlr-IRnLM8VBjgEJXzGrdwgnl3UOudpUKam3S68SOFQJMngPhw5xNcg28HIl_Nyuzrz_1TCvqnIzc3mh1OezL8qwGHqPtGdVx-FRdIqCpNaX6Wksa9SJrYFSRRNgcGZ_LZVw_3emBjK3gn0RAchX1lGkOGHO1w5BS6AWssiKF8wyg55hj6Z5LN-iJQOV83cqtcMiLCQTEnWogA7kEdt7UGmjfHUEj3s09SvVR_brRL6virODSCXsPvw4loXR9L1-Y7b3t30ff9JR7k946Kt5g04_0ZcYuZ7Svgk-fPr8BOOI9oGtNOsad8K2250IUzS-uzW1kyRxhjKL5FvugRudqzAq2MNBTXT4AyhOxRY urlProvider:network]] map[reflowTime:0.618 source:map[column:50335 line:2 type:source-location 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url:https://www.nokia.com/sites/default/files/js/js_8Tw_cTVYESATnHJozICVsQU0e55uFhAeY_p34iQpzcg.js?scope=footer&delta=0&language=en&theme=onenokia_reskin&include=eJx9k9tu2zAMhl8oqrF0w66HAAMGrECx9V6gJVpmKomaDm68px-TdN0CJb2QLZMfJR5-G8442NwS-DtolQ2H5LHiZgIzyLqT9f9eJ98cxY1jdh71C44Tx6o9g8WsIdFwadpEfibQppXKQTvPI3g949E13HbpwBb8a2xByGYezi91keQlkBAFyGjYRarE8dXfkoWKZaApQ0Dl4TdN64Yjnt0jFNR1xoBDglJoQY0Lxlr-IRnLM8VBjgEJXzGrdwgnl3UOudpUKam3S68SOFQJMngPhw5xNcg28HIl_Nyuzrz_1TCvqnIzc3mh1OezL8qwGHqPtGdVx-FRdIqCpNaX6Wksa9SJrYFSRRNgcGZ_LZVw_3emBjK3gn0RAchX1lGkOGHO1w5BS6AWssiKF8wyg55hj6Z5LN-iJQOV83cqtcMiLCQTEnWogA7kEdt7UGmjfHUEj3s09SvVR_brRL6virODSCXsPvw4loXR9L1-Y7b3t30ff9JR7k946Kt5g04_0ZcYuZ7Svgk-fPr8BOOI9oGtNOsad8K2250IUzS-uzW1kyRxhjKL5FvugRudqzAq2MNBTXT4AyhOxRY urlProvider:network]] map[reflowTime:65.152 source:map[column:79427 line:2 type:source-location 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url:https://www.nokia.com/sites/default/files/js/js_8Tw_cTVYESATnHJozICVsQU0e55uFhAeY_p34iQpzcg.js?scope=footer&delta=0&language=en&theme=onenokia_reskin&include=eJx9k9tu2zAMhl8oqrF0w66HAAMGrECx9V6gJVpmKomaDm68px-TdN0CJb2QLZMfJR5-G8442NwS-DtolQ2H5LHiZgIzyLqT9f9eJ98cxY1jdh71C44Tx6o9g8WsIdFwadpEfibQppXKQTvPI3g949E13HbpwBb8a2xByGYezi91keQlkBAFyGjYRarE8dXfkoWKZaApQ0Dl4TdN64Yjnt0jFNR1xoBDglJoQY0Lxlr-IRnLM8VBjgEJXzGrdwgnl3UOudpUKam3S68SOFQJMngPhw5xNcg28HIl_Nyuzrz_1TCvqnIzc3mh1OezL8qwGHqPtGdVx-FRdIqCpNaX6Wksa9SJrYFSRRNgcGZ_LZVw_3emBjK3gn0RAchX1lGkOGHO1w5BS6AWssiKF8wyg55hj6Z5LN-iJQOV83cqtcMiLCQTEnWogA7kEdt7UGmjfHUEj3s09SvVR_brRL6virODSCXsPvw4loXR9L1-Y7b3t30ff9JR7k946Kt5g04_0ZcYuZ7Svgk-fPr8BOOI9oGtNOsad8K2250IUzS-uzW1kyRxhjKL5FvugRudqzAq2MNBTXT4AyhOxRY urlProvider:network]] map[reflowTime:0.57 source:map[column:52814 line:2 type:source-location url:https://www.nokia.com/sites/default/files/js/js_8Tw_cTVYESATnHJozICVsQU0e55uFhAeY_p34iQpzcg.js?scope=footer&delta=0&language=en&theme=onenokia_reskin&include=eJx9k9tu2zAMhl8oqrF0w66HAAMGrECx9V6gJVpmKomaDm68px-TdN0CJb2QLZMfJR5-G8442NwS-DtolQ2H5LHiZgIzyLqT9f9eJ98cxY1jdh71C44Tx6o9g8WsIdFwadpEfibQppXKQTvPI3g949E13HbpwBb8a2xByGYezi91keQlkBAFyGjYRarE8dXfkoWKZaApQ0Dl4TdN64Yjnt0jFNR1xoBDglJoQY0Lxlr-IRnLM8VBjgEJXzGrdwgnl3UOudpUKam3S68SOFQJMngPhw5xNcg28HIl_Nyuzrz_1TCvqnIzc3mh1OezL8qwGHqPtGdVx-FRdIqCpNaX6Wksa9SJrYFSRRNgcGZ_LZVw_3emBjK3gn0RAchX1lGkOGHO1w5BS6AWssiKF8wyg55hj6Z5LN-iJQOV83cqtcMiLCQTEnWogA7kEdt7UGmjfHUEj3s09SvVR_brRL6virODSCXsPvw4loXR9L1-Y7b3t30ff9JR7k946Kt5g04_0ZcYuZ7Svgk-fPr8BOOI9oGtNOsad8K2250IUzS-uzW1kyRxhjKL5FvugRudqzAq2MNBTXT4AyhOxRY urlProvider:network]] map[reflowTime:46.613 source:map[column:4560 line:12 type:source-location url:https://www.nokia.com/sites/default/files/external-assets/https_unpkg_com_swiper_swiper_bundle_min_js.js urlProvider:network]] map[reflowTime:1.923 source:map[column:10280 line:12 type:source-location url:https://www.nokia.com/sites/default/files/external-assets/https_unpkg_com_swiper_swiper_bundle_min_js.js urlProvider:network]] map[reflowTime:115.123 source:map[type:text value:[unattributed]]] map[reflowTime:1.442 source:map[column:49637 line:2 type:source-location url:https://www.nokia.com/sites/default/files/js/js_8Tw_cTVYESATnHJozICVsQU0e55uFhAeY_p34iQpzcg.js?scope=footer&delta=0&language=en&theme=onenokia_reskin&include=eJx9k9tu2zAMhl8oqrF0w66HAAMGrECx9V6gJVpmKomaDm68px-TdN0CJb2QLZMfJR5-G8442NwS-DtolQ2H5LHiZgIzyLqT9f9eJ98cxY1jdh71C44Tx6o9g8WsIdFwadpEfibQppXKQTvPI3g949E13HbpwBb8a2xByGYezi91keQlkBAFyGjYRarE8dXfkoWKZaApQ0Dl4TdN64Yjnt0jFNR1xoBDglJoQY0Lxlr-IRnLM8VBjgEJXzGrdwgnl3UOudpUKam3S68SOFQJMngPhw5xNcg28HIl_Nyuzrz_1TCvqnIzc3mh1OezL8qwGHqPtGdVx-FRdIqCpNaX6Wksa9SJrYFSRRNgcGZ_LZVw_3emBjK3gn0RAchX1lGkOGHO1w5BS6AWssiKF8wyg55hj6Z5LN-iJQOV83cqtcMiLCQTEnWogA7kEdt7UGmjfHUEj3s09SvVR_brRL6virODSCXsPvw4loXR9L1-Y7b3t30ff9JR7k946Kt5g04_0ZcYuZ7Svgk-fPr8BOOI9oGtNOsad8K2250IUzS-uzW1kyRxhjKL5FvugRudqzAq2MNBTXT4AyhOxRY urlProvider:network]] map[reflowTime:44.456 source:map[column:282346 line:6 type:source-location url:https://cdn.cookielaw.org/scripttemplates/202507.1.0/otBannerSdk.js urlProvider:network]] map[reflowTime:0.508 source:map[column:282690 line:6 type:source-location url:https://cdn.cookielaw.org/scripttemplates/202507.1.0/otBannerSdk.js urlProvider:network]] map[reflowTime:0.294 source:map[column:159580 line:6 type:source-location url:https://cdn.cookielaw.org/scripttemplates/202507.1.0/otBannerSdk.js 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:714.489 label:Time to first byte subpart:timeToFirstByte] map[duration:1480.818 label:Resource load delay subpart:resourceLoadDelay] map[duration:2587.139 label:Resource load duration subpart:resourceLoadDuration] map[duration:-991.164 label:Element render delay subpart:elementRenderDelay]]

lhId: page-0-VIDEO

nodeLabel: div.carousel__background-media-wrapper > div.swiper-slide > div.video-container > video#video

path: 1,HTML,1,BODY,0,DIV,2,MAIN,0,DIV,3,ARTICLE,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,VIDEO

selector: div.carousel__background-media-wrapper > div.swiper-slide > div.video-container > video#video

snippet: <video fetchpriority="high" data-slide-index="" id="video" autoplay="" muted="" playsinline="" loop="" webkit-playsinline="" x5-playsinline="">

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-0-VIDEO

nodeLabel: div.carousel__background-media-wrapper > div.swiper-slide > div.video-container > video#video

path: 1,HTML,1,BODY,0,DIV,2,MAIN,0,DIV,3,ARTICLE,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,VIDEO

selector: div.carousel__background-media-wrapper > div.swiper-slide > div.video-container > video#video

snippet: <video fetchpriority="high" data-slide-index="" id="video" autoplay="" muted="" playsinline="" loop="" webkit-playsinline="" x5-playsinline="">

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

More than 4 preconnect connections were found. These should be used sparingly and only to the most important origins.

title: Preconnected origins

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

title: Preconnect candidates

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size	Duration
/sites/default/files/css/css_RbCe2DtIXKwwEy9AEjkz8WMoNumJ...	4.7 KiB
/sites/default/files/css/css_AF0gJPO2-Of1fai0hS40b8jh_25u...	266.0 KiB
www.nokia.com/themes/custom/onenokia_reskin/css/app-webpack.css?tdthet	277.9 KiB	204 ms
/sites/default/files/css/css_W67ekcsP5l5UldyoZ7KoWm-IAzrN...	11.8 KiB
/sites/default/files/external-assets/https_unpkg_com_swip...	3.2 KiB
cdn.cookielaw.org/scripttemplates/otSDKStub.js	9.1 KiB	219 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Est Savings
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2	20 ms
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBA.woff2	15 ms
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBA.woff2	10 ms
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBA.woff2	10 ms
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBA.woff2	10 ms
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBA.woff2	10 ms
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBA.woff2	10 ms
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2	5.0 ms
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBA.woff2	5.0 ms
fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBA.woff2	5.0 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

	URL	Resource Size	Est Savings
water bubble and color `article.c1-reference--reference-item > div.c1-reference__media-container > picture > img`	/sites/default/files/2025-05/thumb-social-media-quantum-5...	42.7 KiB	25.2 KiB
a bit of tech podcast promo `article.c1-reference--reference-item > div.c1-reference__media-container > picture > img`	/sites/default/files/2025-03/nok4025-a-bit-of-tech-youtub...	28.1 KiB	10.6 KiB
Bridge `article.c1-reference--reference-item > div.c1-reference__media-container > picture > img`	/sites/default/files/2025-01/optical_comm_web-ba.2e16d0ba...	27.7 KiB	10.2 KiB
Hussam Batshon in the lab `article.c1-reference--reference-item > div.c1-reference__media-container > picture > img`	/sites/default/files/2025-03/1_phussam-batshon.jpg?height...	16.3 KiB	7.0 KiB
A bit of tech: Episode 6 – Creating the Sixth Sense `div.video > a.media-video-container > picture > img`	/sites/default/files/2025-12/abot-ep6-thumbnail.jpg?heigh...	21.8 KiB	4.3 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: 1.1 s

URL	Time Spent
bell-labs.com/	838 ms
www.bell-labs.com/	299 ms
www.nokia.com/bell-labs/	0.0 ms

Why this matters

Performance issues directly impact user engagement and conversion rates.

Element	Layout shift score
Nokia Bell Labs celebrates 100 years of innovation Visit our hub page `div.paragraph > div.t11-campaign-landing > div.top-content-region > div.swiper`	0.488
Solutions Insights and innovation Collaborate with us We are Nokia `div.navigation-wrapper-outer > div#nokia-global-header > div.nokia-header__menu-main-wrapper > div.dropdown-mainmenu-wrapper`	0.000
100 years of innovation `div.swiper > div.swiper-custom-pagination > div.swiper__nav-button > button.swiper-pagination-button1`	0.000

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 40 ms 28.4 KiB

URL	Transfer Size	Est Savings
www.nokia.com/themes/custom/onenokia_reskin/css/app-webpack.css?tdthet	277.9 KiB	14.5 KiB
/sites/default/files/css/css_AF0gJPO2-Of1fai0hS40b8jh_25u...	266.0 KiB	13.9 KiB

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 410 ms 527.9 KiB

URL	Transfer Size	Est Savings
www.nokia.com/themes/custom/onenokia_reskin/css/app-webpack.css?tdthet	277.2 KiB	268.7 KiB
/sites/default/files/css/css_AF0gJPO2-Of1fai0hS40b8jh_25u...	266.0 KiB	259.1 KiB

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

Why this matters

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

Learn more ▾

Source: Google web.dev / Lighthouse

Estimated savings: 80 ms 301.6 KiB

URL	Transfer Size	Est Savings
/sites/default/files/js/js_8Tw_cTVYESATnHJozICVsQU0e55uFh...	144.2 KiB	91.7 KiB
cdn.cookielaw.org/scripttemplates/202507.1.0/otBannerSdk.js	119.8 KiB	75.2 KiB
www.googletagmanager.com/gtag/js?id=G-D6GE5QF247&cx=c&gtm=4e64h1	168.2 KiB	64.4 KiB
/sites/default/files/js/js_vSkNsEPV-E67VcdVA2XyoeqfvUlvdq...	53.0 KiB	36.6 KiB
/sites/default/files/external-assets/https_unpkg_com_swip...	51.6 KiB	33.7 KiB

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Total CPU Time	Script Evaluation	Script Parse
www.nokia.com/bell-labs/	1.9 s	608 ms	29 ms
Unattributable	706 ms	144 ms	0.0 ms
www.googletagmanager.com/gtm.js?id=GTM-5433JV	215 ms	164 ms	39 ms
sjrtp8-cdn.marketo.com/rtp-api/v1/rtp.js?aid=nokia2	142 ms	111 ms	19 ms
cdn.cookielaw.org/scripttemplates/202507.1.0/otBannerSdk.js	133 ms	48 ms	33 ms
www.googletagmanager.com/gtag/js?id=G-D6GE5QF247&cx=c&gtm=4e64h1	131 ms	104 ms	27 ms
/sites/default/files/external-assets/https_unpkg_com_swip...	84 ms	2.9 ms	5.2 ms
/sites/default/files/css/css_9jcEuGwKsXb7RPkuMsbnoDIHC8Yw...	66 ms	0.0 ms	0.0 ms
www.nokia.com/themes/custom/onenokia_reskin/css/app-webpack.css?tdthet	66 ms	0.0 ms	0.0 ms
www.youtube.com/s/player/218d9d92/www-widgetapi.vflset/www-widgetapi.js	64 ms	56 ms	1.1 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Category	Time Spent
Script Evaluation	1.5 s
Other	1.1 s
Style & Layout	738 ms
Script Parsing & Compilation	197 ms
Parse HTML & CSS	180 ms
Rendering	66 ms
Garbage Collection	24 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL	Transfer Size
www.nokia.com/sites/default/files/2025-02/nbl_100_m3_banner_1920x1080.mp4	9.4 MiB
/sites/default/files/2026-03/industries-gettyimages-66860...	724.6 KiB
www.nokia.com/sites/default/files/2026-03/hero_image_datacenter_1920x1080.jpg	640.2 KiB
/sites/default/files/2026-03/animated-header-telecommunic...	590.5 KiB
www.youtube.com/s/player/218d9d92/player_embed.vflset/en_US/base.js	471.6 KiB
www.youtube.com/s/player/1e1d6f74/player_embed_es6.vflset/en_US/base.js	436.0 KiB
www.youtube.com/s/player/218d9d92/player_embed_es6.vflset/en_US/base.js	435.5 KiB
www.nokia.com/sites/default/files/2026-03/resrcid38787_3d_ribbon.jpg	328.2 KiB
www.nokia.com/sites/default/files/2026-03/woman-wearing-ar-using-phone.jpg	278.4 KiB
www.nokia.com/themes/custom/onenokia_reskin/css/app-webpack.css?tdthet	277.9 KiB

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

●Optimize DOM size

●Modern HTTP

●Optimize viewport for mobile

●Minify JavaScript

●User Timing marks and measures 7 user timings

●Avoid long main-thread tasks 15 long tasks found

●Avoid non-composited animations 10 animated elements found

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

●Page didn't prevent back/forward cache restoration

●Network Requests

●Network Round Trip Times 220 ms

●Server Backend Latencies 240 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Initial server response time was short Root document took 20 ms

○INP breakdown

Accessibility

Navigation

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
Research blogs `div.st-xsmall > div.c06 > div.simple-text__body > h4`
AI-enhance wireless reliability: joint source and channel coding for robust 6G … `div.container > div.nr > article.c23-component-item > h4.c23-component__title`
Looking for Nokia licensed products support? `div > div#block-onenokia-reskin-nokiareskinmynokia-2 > div.external-link > h6`

These are opportunities to improve keyboard navigation in your application.

Names and labels

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
body.site-nokiacom > div.layout-container > a#main-content `body.site-nokiacom > div.layout-container > a#main-content`
div.nokia-footer--social > ul.nokia-footer__menu-social > li > a `div.nokia-footer--social > ul.nokia-footer__menu-social > li > a`
div.nokia-footer--social > ul.nokia-footer__menu-social > li > a `div.nokia-footer--social > ul.nokia-footer__menu-social > li > a`
div.nokia-footer--social > ul.nokia-footer__menu-social > li > a `div.nokia-footer--social > ul.nokia-footer__menu-social > li > a`
div.nokia-footer--social > ul.nokia-footer__menu-social > li > a `div.nokia-footer--social > ul.nokia-footer__menu-social > li > a`
div.nokia-footer--social > ul.nokia-footer__menu-social > li > a `div.nokia-footer--social > ul.nokia-footer__menu-social > li > a`

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

Visible text labels that do not match the accessible name can result in a confusing experience for screen reader users. Learn more about accessible names.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
AI-enhance wireless reliability: joint source and channel coding for robust 6G … `div.nr > article.c23-component-item > h4.c23-component__title > a.media-video-container`
A 2025 recap of "a bit of tech" `div.nr > article.c23-component-item > h4.c23-component__title > a.media-video-container`
Cookie Policy `div#onetrust-group-container > div#onetrust-policy > div#onetrust-policy-text > a.ot-cookie-policy-link`
General Privacy Notice `div#onetrust-group-container > div#onetrust-policy > div#onetrust-policy-text > a.ot-imprint-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

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

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

●`[role]` values are valid

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

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

●Buttons have an accessible name

●Image elements have `[alt]` attributes

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

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

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

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

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

●Elements use only permitted ARIA attributes

●Background and foreground colors have a sufficient contrast ratio

●Document has a `<title>` element

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

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

●Links are distinguishable without relying on color.

●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.

●Document has a main landmark.

●Deprecated ARIA roles were not used

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

●Uses ARIA roles only on compatible elements

○`[accesskey]` values are unique

○ARIA input fields have accessible names

○ARIA `meter` elements have accessible names

○ARIA `progressbar` elements have accessible names

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

○ARIA toggle fields have accessible names

○ARIA `tooltip` elements have accessible names

○ARIA `treeitem` elements have accessible names

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

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

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

○ARIA IDs are unique

○No form fields have multiple labels

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

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

○Input buttons have discernible text.

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

○Form elements have associated labels

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

○`<object>` elements have alternate text

○Select elements have associated label elements.

○Skip links are focusable.

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

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

○`[lang]` attributes have a valid value

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

○All heading elements contain content.

○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.

Best Practices

General

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Source	Description
/themes/custom/onenokia_reskin/fonts/nokia/nokiapureheadl...	`Failed to load resource: the server responded with a status of 403 ()`
/themes/custom/onenokia_reskin/fonts/nokia/nokiapureheadl...	`Failed to load resource: the server responded with a status of 403 ()`
/themes/custom/onenokia_reskin/fonts/nokia/nokiapureheadl...	`Failed to load resource: the server responded with a status of 403 ()`
/themes/custom/onenokia_reskin/fonts/nokia/nokiapureheadl...	`Failed to load resource: the server responded with a status of 403 ()`
www.nokia.com/themes/custom/onenokia_reskin/logo.svg	`Failed to load resource: the server responded with a status of 403 ()`
/themes/custom/onenokia_reskin/fonts/nokia/nokiapureheadl...	`Failed to load resource: the server responded with a status of 403 ()`

●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 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

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

○Mitigate clickjacking with XFO or CSP

100

SEO

○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 have descriptive text

●Links are crawlable

●Image elements have `[alt]` attributes

●Document has a valid `hreflang`

●Document has a valid `rel=canonical`

○robots.txt is valid

Results for https://bell-labs.com

Site Health

How you compare

Top Priorities (5)

Fix Priority Matrix

Quick Wins

Strategic

Easy Improvements

Deprioritize

What fixing these means

Conversion Barriers

Speed (2)

Trust (2)

Usability (2)

Content (4)

Navigation (1)

Return on Investment

Investment

Monthly returns

Regulatory risk avoided

Estimated Remediation Cost

Cost by category

Cost by effort level

What Inaction Is Costing You

Compliance Risk

Bandwidth Waste

Lighthouse Scores

Core Web Vitals

Detailed Report

Performance

Insights

Diagnostics

Accessibility

ARIA

Navigation

Names and labels

Best Practices

General

SEO

Lighthouse Scores

Core Web Vitals

Detailed Report

Performance

Insights

Diagnostics

Accessibility

Navigation

Names and labels

Best Practices

General

SEO

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