Tools & Wizards About Us
john-lewis.co.uk screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

john-lewis.co.uk

Kitchens, Wardrobes & Furniture | John Lewis of Hungerford

Page Load Speed

2.6 sec in total

First Response

270 ms

Resources Loaded

2.1 sec

Page Rendered

188 ms

john-lewis.co.uk screenshot

About Website

Click here to check amazing John Lewis content for United Kingdom. Otherwise, check out these important facts you probably never knew about john-lewis.co.uk

John Lewis of Hungerford provide unique tailored designs for your Painted Kitchen, Bedroom, and Furniture. Get in touch and learn more about services.

Visit john-lewis.co.uk

Key Findings

We analyzed John-lewis.co.uk page load time and found that the first response time was 270 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

john-lewis.co.uk performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value18.8 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value1,710 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

john-lewis.co.uk

270 ms

home

311 ms

css

65 ms

style.min.css

328 ms

retina.min.css

168 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 65% of them (20 requests) were addressed to the original John-lewis.co.uk, 6% (2 requests) were made to Google-analytics.com and 6% (2 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (940 ms) belongs to the original domain John-lewis.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 493.0 kB (32%)

Content Size

1.5 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of John-lewis.co.uk main page is 1.5 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. 35% of websites need less resources to load. Images take 885.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 20.9 kB

  • Original 25.7 kB
  • After minification 18.4 kB
  • After compression 4.7 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. This page needs HTML code to be minified as it can gain 7.2 kB, which is 28% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 20.9 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 12.8 kB

  • Original 885.4 kB
  • After minification 872.6 kB

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. John Lewis images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 215.1 kB

  • Original 336.3 kB
  • After minification 324.1 kB
  • After compression 121.1 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 215.1 kB or 64% of the original size.

CSS Optimization

-82%

Potential reduce by 244.1 kB

  • Original 297.0 kB
  • After minification 295.7 kB
  • After compression 52.8 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. John-lewis.co.uk needs all CSS files to be minified and compressed as it can save up to 244.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (36%)

Requests Now

28

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

john-lewis.co.uk

john-lewis.co.uk

270 ms

home

home

311 ms

css

css

65 ms

style.min.css

style.min.css

328 ms

retina.min.css

retina.min.css

168 ms

modernizr.min.js

modernizr.min.js

169 ms

jquery.min.js

jquery.min.js

8 ms

plugins.min.js

plugins.min.js

353 ms

main.js

main.js

319 ms

ga.js

ga.js

25 ms

MnCd9NLPFlI

MnCd9NLPFlI

72 ms

sprite.png

sprite.png

324 ms

award-1.png

award-1.png

188 ms

pure-kitchen.jpg

pure-kitchen.jpg

492 ms

Artisan-fitted-wardrobe.jpg

Artisan-fitted-wardrobe.jpg

509 ms

urban-kitchen.jpg

urban-kitchen.jpg

623 ms

creme-de-la-creme.jpg

creme-de-la-creme.jpg

517 ms

arrow-down-hm.png

arrow-down-hm.png

358 ms

wantage-video-hld.jpg

wantage-video-hld.jpg

603 ms

fulham-video-hld.jpg

fulham-video-hld.jpg

599 ms

hungerford-video.png

hungerford-video.png

940 ms

brochure.png

brochure.png

685 ms

J5XIJAnE7oc

J5XIJAnE7oc

84 ms

OpenSans-Regular-webfont.woff

OpenSans-Regular-webfont.woff

742 ms

__utm.gif

__utm.gif

19 ms

strip.jpg

strip.jpg

732 ms

collect

collect

118 ms

www-embed-player-vflfNyN_r.css

www-embed-player-vflfNyN_r.css

44 ms

www-embed-player.js

www-embed-player.js

65 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

36 ms

ad_status.js

ad_status.js

36 ms

Accessibility Review

john-lewis.co.uk accessibility score

55

Accessibility Issues

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

john-lewis.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

john-lewis.co.uk SEO score

93

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise John-lewis.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that John-lewis.co.uk 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

john-lewis.co.uk

Open Graph description is not detected on the main page of John Lewis. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: