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lv.johnlewis.com screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

lv.johnlewis.com

John Lewis & Partners | Department Store | Home, Fashion, Tech & More

Page Load Speed

32.6 sec in total

First Response

313 ms

Resources Loaded

22.5 sec

Page Rendered

9.8 sec

lv.johnlewis.com screenshot

About Website

Welcome to lv.johnlewis.com homepage info - get ready to check Lv John Lewis best content for United Kingdom right away, or after learning these important things about lv.johnlewis.com

Shop latest trends and launches across Home, Fashion & Tech at John Lewis & Partners. Providing an inspiring wide range of products, for all life's moments.

Visit lv.johnlewis.com

Key Findings

We analyzed Lv.johnlewis.com page load time and found that the first response time was 313 ms and then it took 32.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

lv.johnlewis.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value19.6 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value870 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value21.1 s

1/100

10%

Network Requests Diagram

www.johnlewis.com

313 ms

newrelic.js

102 ms

jl-init-metrics.6badcf8f.js

165 ms

Bootstrap.js

181 ms

entry.js

83 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Lv.johnlewis.com, 23% (30 requests) were made to Johnlewis.scene7.com and 1% (1 request) were made to Tags.johnlewis.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Johnlewis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 698.7 kB (29%)

Content Size

2.4 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lv.johnlewis.com main page is 2.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 576.7 kB

  • Original 625.5 kB
  • After minification 608.2 kB
  • After compression 48.9 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 576.7 kB or 92% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.5 MB
  • After minification 1.5 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Lv John Lewis images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 102.8 kB

  • Original 234.8 kB
  • After minification 234.7 kB
  • After compression 132.0 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 102.8 kB or 44% of the original size.

CSS Optimization

-45%

Potential reduce by 19.2 kB

  • Original 43.1 kB
  • After minification 43.1 kB
  • After compression 23.9 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Lv.johnlewis.com needs all CSS files to be minified and compressed as it can save up to 19.2 kB or 45% of the original size.

Requests Breakdown

Number of requests can be reduced by 82 (69%)

Requests Now

118

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lv John Lewis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 53 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.johnlewis.com

www.johnlewis.com

313 ms

newrelic.js

newrelic.js

102 ms

jl-init-metrics.6badcf8f.js

jl-init-metrics.6badcf8f.js

165 ms

Bootstrap.js

Bootstrap.js

181 ms

entry.js

entry.js

83 ms

jlp-styles-jb.css

jlp-styles-jb.css

63 ms

jlp-vendor-polyfills.js

jlp-vendor-polyfills.js

73 ms

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74 ms

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polyfills-a40ef1678bae11e696dba45124eadd70.js

80 ms

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webpack-936d92c2ee460b7f815d.js

112 ms

framework-6112039f861e80a04131.js

framework-6112039f861e80a04131.js

87 ms

main-296bed497f4977d20a74.js

main-296bed497f4977d20a74.js

106 ms

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129 ms

index-11090d436ed5adaa8c51.js

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109 ms

_buildManifest.js

_buildManifest.js

108 ms

_ssgManifest.js

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127 ms

77b1a42b

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293 ms

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210 ms

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236 ms

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166 ms

config.js

config.js

272 ms

auth.js

auth.js

291 ms

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268 ms

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313 ms

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312 ms

main-8b64e.css

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269 ms

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283 ms

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286 ms

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307 ms

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304 ms

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378 ms

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327 ms

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328 ms

AEMForegroundContainer-4e3dc.css

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326 ms

AEMImageWrapper-994a4.css

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329 ms

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344 ms

AEMCopyWrapper-9c006.css

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311 ms

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297 ms

AEMButtonSecondaryWrapper-59402.css

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308 ms

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287 ms

AEMButtonCarouselWrapper-126b1.css

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302 ms

main-9adad.bundle.js

main-9adad.bundle.js

292 ms

commonResponsiveContainer-8563e.bundle.js

commonResponsiveContainer-8563e.bundle.js

514 ms

commonHrefHelper-10c06.bundle.js

commonHrefHelper-10c06.bundle.js

512 ms

commonButton-eecd1.bundle.js

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496 ms

commonImage-90151.bundle.js

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496 ms

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471 ms

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208 ms

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440 ms

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1197 ms

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1201 ms

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1202 ms

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1352 ms

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1353 ms

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1374 ms

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1369 ms

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1372 ms

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1374 ms

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1375 ms

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1379 ms

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1377 ms

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1394 ms

hp-wk35-new-brand-ladder6-270922

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1379 ms

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1386 ms

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1392 ms

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1387 ms

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1396 ms

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1389 ms

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1388 ms

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1391 ms

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1393 ms

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1394 ms

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1395 ms

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1456 ms

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1459 ms

AEMContentPage-3be74.bundle.js

AEMContentPage-3be74.bundle.js

432 ms

AEMResponsiveContainerWrapper-a6601.bundle.js

AEMResponsiveContainerWrapper-a6601.bundle.js

389 ms

AEMContainerWrapper-8cbc4.bundle.js

AEMContainerWrapper-8cbc4.bundle.js

363 ms

AEMDividerWrapper-b97e7.bundle.js

AEMDividerWrapper-b97e7.bundle.js

1108 ms

AEMTitleWrapper-10b03.bundle.js

AEMTitleWrapper-10b03.bundle.js

355 ms

AEMOverlayWrapper-60011.bundle.js

AEMOverlayWrapper-60011.bundle.js

362 ms

AEMFragmentWrapper-7535a.bundle.js

AEMFragmentWrapper-7535a.bundle.js

337 ms

AEMForegroundContainer-fb844.bundle.js

AEMForegroundContainer-fb844.bundle.js

353 ms

AEMImageWrapper-8dba6.bundle.js

AEMImageWrapper-8dba6.bundle.js

353 ms

AEMButtonPrimaryWrapper-2a235.bundle.js

AEMButtonPrimaryWrapper-2a235.bundle.js

337 ms

AEMCopyWrapper-32575.bundle.js

AEMCopyWrapper-32575.bundle.js

331 ms

AEMCustomisableHeadingWrapper-72fb2.bundle.js

AEMCustomisableHeadingWrapper-72fb2.bundle.js

335 ms

AEMTextLineWrapper-8e7df.bundle.js

AEMTextLineWrapper-8e7df.bundle.js

345 ms

AEMButtonSecondaryWrapper-006ad.bundle.js

AEMButtonSecondaryWrapper-006ad.bundle.js

342 ms

AEMRecommendationsPanelWrapper-96a33.bundle.js

AEMRecommendationsPanelWrapper-96a33.bundle.js

343 ms

AEMCardCarouselWrapper-1d1d4.bundle.js

AEMCardCarouselWrapper-1d1d4.bundle.js

336 ms

AEMCardButtonWrapper-8b9e9.bundle.js

AEMCardButtonWrapper-8b9e9.bundle.js

337 ms

AEMButtonTertiaryWrapper-ff1ae.bundle.js

AEMButtonTertiaryWrapper-ff1ae.bundle.js

346 ms

AEMButtonCarouselWrapper-83f87.bundle.js

AEMButtonCarouselWrapper-83f87.bundle.js

344 ms

recently-viewed-items.js

recently-viewed-items.js

1023 ms

main.09d10511.js

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331 ms

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335 ms

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1170 ms

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1151 ms

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1147 ms

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988 ms

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931 ms

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927 ms

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251 ms

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https:/

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1 ms

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161 ms

Accessibility Review

lv.johnlewis.com accessibility score

90

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Names and labels

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.

Impact

Issue

High

Buttons do not have an accessible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

lv.johnlewis.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

lv.johnlewis.com SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lv.johnlewis.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Lv.johnlewis.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

lv.johnlewis.com

Open Graph data is detected on the main page of Lv John Lewis. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: