Lighthouse Desktop
· 0 checks — Desktop Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.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.
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
Performance issues directly impact user engagement and conversion rates.
3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.
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.
Performance issues directly impact user engagement and conversion rates.
Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.
Performance issues directly impact user engagement and conversion rates.
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.
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.
Performance issues directly impact user engagement and conversion rates.
Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading
Performance issues directly impact user engagement and conversion rates.
Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
Performance issues directly impact user engagement and conversion rates.
Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.
Performance issues directly impact user engagement and conversion rates.
Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
Performance issues directly impact user engagement and conversion rates.
| URL | Resource Size | Est Savings | |
|---|---|---|---|
The Documentary Podcast, Surviving my daughter's killing a.sc-8a623a54-0 > div.sc-d2483551-0 > div.sc-5340b511-1 > img.sc-5340b511-0 | ichef.bbci.co.uk/images/ic/800x450/p0n1s8rb.jpg.webp | 68.2 KiB | 58.8 KiB |
Global News Podcast, BBC in Iran as mediation efforts continue a.sc-8a623a54-0 > div.sc-d2483551-0 > div.sc-5340b511-1 > img.sc-5340b511-0 | ichef.bbci.co.uk/images/ic/800x450/p0ndn9vw.jpg.webp | 63.5 KiB | 54.2 KiB |
Business Daily, Business Daily, How wrestling became big business a.sc-8a623a54-0 > div.sc-d2483551-0 > div.sc-5340b511-1 > img.sc-5340b511-0 | ichef.bbci.co.uk/images/ic/800x450/p0ncfytd.jpg.webp | 62.3 KiB | 53.0 KiB |
Witness History, Witness History, The assassination of Thomas Sankara a.sc-8a623a54-0 > div.sc-d2483551-0 > div.sc-5340b511-1 > img.sc-5340b511-0 | ichef.bbci.co.uk/images/ic/800x450/p0nb27h8.jpg.webp | 46.3 KiB | 36.9 KiB |
Business Daily, Business Daily, Reinventing Kodak a.sc-8a623a54-0 > div.sc-d2483551-0 > div.sc-5340b511-1 > img.sc-5340b511-0 | ichef.bbci.co.uk/images/ic/800x450/p0nd8blx.jpg.webp | 34.8 KiB | 25.4 KiB |
Witness History, Witness History, The introduction of Sharia law in Aceh, Indon… a.sc-8a623a54-0 > div.sc-d2483551-0 > div.sc-5340b511-1 > img.sc-5340b511-0 | ichef.bbci.co.uk/images/ic/800x450/p0nbbcb1.jpg.webp | 31.9 KiB | 22.8 KiB |
A woman in a green sports jacket with the hood up smiles as she leans her head … div.sc-8a86ca4a-1 > div.sc-8a86ca4a-2 > div.sc-5340b511-1 > img.sc-5340b511-0 | ichef.bbci.co.uk/images/ic/800x450/p0ndhpvg.jpg.webp | 54.4 KiB | 22.2 KiB |
Americast, Americast, Has Trump given up on the midterms? a.sc-8a623a54-0 > div.sc-d2483551-0 > div.sc-5340b511-1 > img.sc-5340b511-0 | ichef.bbci.co.uk/images/ic/800x450/p0j72y80.jpg.webp | 29.5 KiB | 21.1 KiB |
The Global Story, The Global Story, The AI model that’s ‘too powerful’ to be re… a.sc-8a623a54-0 > div.sc-d2483551-0 > div.sc-5340b511-1 > img.sc-5340b511-0 | ichef.bbci.co.uk/images/ic/800x450/p0ndnx7p.jpg.webp | 23.8 KiB | 17.0 KiB |
A picture of a bag of PepsiCo's Doritos crisps. div.sc-329e5f2b-3 > div.sc-329e5f2b-4 > div.sc-5340b511-1 > img.sc-5340b511-0 | /news/480/cpsprodpb/4239/live/e7d7f830-399f-11f1-818c-6f1... | 21.6 KiB | 13.3 KiB |
The Documentary Podcast, Back to books: Sweden’s digital backlash a.sc-8a623a54-0 > div.sc-d2483551-0 > div.sc-5340b511-1 > img.sc-5340b511-0 | ichef.bbci.co.uk/images/ic/800x450/p0kxnjq1.jpg.webp | 18.6 KiB | 13.3 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.
Performance issues directly impact user engagement and conversion rates.
| URL | Time Spent |
|---|---|
| bbc.com/ | 240 ms |
| www.bbc.com/ | 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
Performance issues directly impact user engagement and conversion rates.
| Element | Layout shift score |
|---|---|
Charli XCX's parents went to raves with her as a teenager
Charli XCX reveals h… div.sc-137e23a3-2 > div.sc-c64a065b-0 > div.sc-c64a065b-1 > div.sc-c64a065b-2 | 0.331 |
Charli XCX's parents went to raves with her as a teenager
Charli XCX reveals h… div.sc-137e23a3-2 > div.sc-c64a065b-0 > div.sc-c64a065b-1 > div.sc-c64a065b-2 | 0.015 |
Back to books - Sweden's schools cutting back on digital learning
Swedish clas… div.sc-cd6075cf-0 > div.sc-82b3c53b-0 > div.sc-cd6075cf-0 > div.sc-82b3c53b-0 | 0.007 |
Reporter told to fake domestic abuse claim to remain in the UK
Some migrants a… div.sc-137e23a3-2 > div.sc-c64a065b-0 > div.sc-c64a065b-1 > div.sc-c64a065b-2 | 0.000 |
Reporter told to fake domestic abuse claim to remain in the UK
Some migrants a… div.sc-137e23a3-2 > div.sc-c64a065b-0 > div.sc-c64a065b-1 > div.sc-c64a065b-2 | 0.000 |
Reporter told to fake domestic abuse claim to remain in the UK
Some migrants a… div.sc-137e23a3-2 > div.sc-c64a065b-0 > div.sc-c64a065b-1 > div.sc-c64a065b-2 | 0.000 |
Reporter told to fake domestic abuse claim to remain in the UK
Some migrants a… div.sc-137e23a3-2 > div.sc-c64a065b-0 > div.sc-c64a065b-1 > div.sc-c64a065b-2 | 0.000 |
Reporter told to fake domestic abuse claim to remain in the UK
Some migrants a… div.sc-137e23a3-2 > div.sc-c64a065b-0 > div.sc-c64a065b-1 > div.sc-c64a065b-2 | 0.000 |
| 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.
Performance issues directly impact user engagement and conversion rates.
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.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| /bbcdotcom/web/20260407-092955-f3cfe0ee04-web-3.0.0-2/_ne... | 325.9 KiB | 164.4 KiB |
| cdn.tinypass.com/api/tinypass.min.js | 131.8 KiB | 101.4 KiB |
| mybbc-analytics.files.bbci.co.uk/echo-client-js/echo-2.6.0-avi.min.js | 116.6 KiB | 56.8 KiB |
| cdn.optimizely.com/public/4621041136/s/bbcx_prod.js | 97.1 KiB | 39.2 KiB |
| emp.bbci.co.uk/emp/bump-4/bump-4.js | 39.6 KiB | 35.5 KiB |
| /bbcdotcom/web/20260407-092955-f3cfe0ee04-web-3.0.0-2/_ne... | 47.7 KiB | 34.5 KiB |
| /bbcdotcom/web/20260407-092955-f3cfe0ee04-web-3.0.0-2/_ne... | 33.0 KiB | 24.0 KiB |
| cdn.privacy-mgmt.com/unified/4.40.1/usnat.f12613136193900e32e2.bundle.js | 42.0 KiB | 22.8 KiB |
| /bbcdotcom/web/20260407-092955-f3cfe0ee04-web-3.0.0-2/_ne... | 38.3 KiB | 20.5 KiB |
More information about the performance of your application. These numbers don't directly affect the Performance score.
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.
Contrast
Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Rising prices threaten Minnesota's meat raffles div.sc-8a86ca4a-3 > div.sc-feaf8701-1 > div.sc-feaf8701-0 > h2.sc-feaf8701-3 |
Popular in local bars across the US, the games are facing higher meat prices, s… a.sc-8a623a54-0 > div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > p.sc-8a86ca4a-4 |
US & Canada div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > div.sc-1907e52a-0 > span.sc-1907e52a-2 |
Reporter told to fake domestic abuse claim to remain in the UK div.sc-8a86ca4a-3 > div.sc-feaf8701-1 > div.sc-feaf8701-0 > h2.sc-feaf8701-3 |
Some migrants are being encouraged to fabricate abuse allegations in order to s… a.sc-8a623a54-0 > div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > p.sc-8a86ca4a-4 |
UK div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > div.sc-1907e52a-0 > span.sc-1907e52a-2 |
From friendship to friction: Inside the growing tensions between Trump and Star… div.sc-8a86ca4a-3 > div.sc-feaf8701-1 > div.sc-feaf8701-0 > h2.sc-feaf8701-3 |
BBC’s Sarah Smith examines how the Iran war has led to discrepancies between th… a.sc-8a623a54-0 > div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > p.sc-8a86ca4a-4 |
Politics div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > div.sc-1907e52a-0 > span.sc-1907e52a-2 |
Charli XCX's parents went to raves with her as a teenager div.sc-8a86ca4a-3 > div.sc-feaf8701-1 > div.sc-feaf8701-0 > h2.sc-feaf8701-3 |
Charli XCX reveals her parents used to go to raves with her when she performed … a.sc-8a623a54-0 > div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > p.sc-8a86ca4a-4 |
Film & TV div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > div.sc-1907e52a-0 > span.sc-1907e52a-2 |
Winner of €1m Picasso 'thought it was a scam', organiser tells BBC div.sc-8a86ca4a-3 > div.sc-feaf8701-1 > div.sc-feaf8701-0 > h2.sc-feaf8701-3 |
One of the charity draw organisers tells BBC Radio 4's Front Row about calling … a.sc-8a623a54-0 > div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > p.sc-8a86ca4a-4 |
Europe div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > div.sc-1907e52a-0 > span.sc-1907e52a-2 |
Is the US blockade of Iran working? div.sc-8a86ca4a-3 > div.sc-feaf8701-1 > div.sc-feaf8701-0 > h2.sc-feaf8701-3 |
BBC Verify has been looking into whether the US blockade of Iran near the Strai… a.sc-8a623a54-0 > div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > p.sc-8a86ca4a-4 |
BBC Verify div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > div.sc-1907e52a-0 > span.sc-1907e52a-2 |
Frank Gardner: Why China keeps cropping up in Iran war stories div.sc-8a86ca4a-3 > div.sc-feaf8701-1 > div.sc-feaf8701-0 > h2.sc-feaf8701-3 |
BBC Security Correspondent Frank Gardner explains how the world's second-larges… a.sc-8a623a54-0 > div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > p.sc-8a86ca4a-4 |
World div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > div.sc-1907e52a-0 > span.sc-1907e52a-2 |
Go on patrol with the Canadian Rangers across the frozen Arctic div.sc-8a86ca4a-3 > div.sc-feaf8701-1 > div.sc-feaf8701-0 > h2.sc-feaf8701-3 |
The BBC rode along with the Rangers on the last leg of a historic trek as they … a.sc-8a623a54-0 > div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > p.sc-8a86ca4a-4 |
US & Canada div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > div.sc-1907e52a-0 > span.sc-1907e52a-2 |
Sign up to Tech Decoded div.sc-8a86ca4a-3 > div.sc-feaf8701-1 > div.sc-feaf8701-0 > h2.sc-feaf8701-3 |
Decode the biggest developments in global technology, in your inbox every Monda… a.sc-8a623a54-0 > div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > p.sc-8a86ca4a-4 |
Download the BBC app div.sc-8a86ca4a-3 > div.sc-feaf8701-1 > div.sc-feaf8701-0 > h2.sc-feaf8701-3 |
Click here to download the BBC app for Apple and Android devices. a.sc-8a623a54-0 > div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > p.sc-8a86ca4a-4 |
US Politics Unspun div.sc-8a86ca4a-3 > div.sc-feaf8701-1 > div.sc-feaf8701-0 > h2.sc-feaf8701-3 |
No noise. No agenda. Just expert analysis of the issues that matter most from A… a.sc-8a623a54-0 > div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > p.sc-8a86ca4a-4 |
Register for a BBC account div.sc-8a86ca4a-3 > div.sc-feaf8701-1 > div.sc-feaf8701-0 > h2.sc-feaf8701-3 |
Don't have time to read everything right now? Your BBC account lets you save ar… a.sc-8a623a54-0 > div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > p.sc-8a86ca4a-4 |
Sign up for the Essential List div.sc-8a86ca4a-3 > div.sc-feaf8701-1 > div.sc-feaf8701-0 > h2.sc-feaf8701-3 |
The week's best stories, handpicked by BBC editors, in your inbox every Tuesday… a.sc-8a623a54-0 > div.sc-8a86ca4a-0 > div.sc-8a86ca4a-3 > p.sc-8a86ca4a-4 |
Low-contrast text is difficult or impossible for many users to read. Link text that is discernible improves the experience for users with low vision. Learn how to make links distinguishable.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
cookies div#bbccookies-prompt > div.orb-banner-content > p > a |
These are opportunities to improve the legibility of your content.
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
US lawmakers reject measure to block Trump from striking Iran div > a.sc-8a623a54-0 > div.sc-47f19540-0 > h4.sc-47f19540-1 |
These are opportunities to improve keyboard navigation in your application.
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.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
The Global Story
The AI model that’s ‘too powerful’ to be released to the public div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
Global News Podcast
BBC in Iran as mediation efforts continue div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
Witness History
The introduction of Sharia law in Aceh, Indonesia div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
The Documentary Podcast
Back to books: Sweden’s digital backlash div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
Business Daily
How wrestling became big business div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
Americast
Has Trump given up on the midterms? div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
Witness History
The assassination of Thomas Sankara div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
The Documentary Podcast
Surviving my daughter's killing div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
The Interview
John Healey, UK Defence Secretary: Russia’s covert operations div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
Business Daily
Reinventing Kodak div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
F1: Chequered Flag
Chequered Flag Extra: Ayao Komatsu On The Rise Of Haas div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
Football Daily
UCL Debrief: Arsenal squeeze into semis & Bayern blast past Real div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
Rugby Union Weekly
Women's Six Nations: Record crowds & programme gaffs div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
Football Daily
72+ EFL Pod: Fuchs fighting & Leicester’s ‘last chance’ div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
More than the Score
Vaibhav Sooryavanshi: The teenager hitting the IPL for six div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
Test Match Special
'I should have died' - James Taylor 10 years on div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
FPL Podcast from BBC Sport
Snooker Loopy div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
BBC Women's Football Weekly
England beat world champions Spain on Walsh's miles… div.sc-225578b-0 > div.sc-d2483551-4 > div > a.sc-8a623a54-0 |
Best Practices
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.