Tools & Wizards About Us
jansen-display.co.uk screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

jansen-display.co.uk

UK's leading manufacturer of POS display products - Jansen Display

Page Load Speed

5.9 sec in total

First Response

342 ms

Resources Loaded

5.3 sec

Page Rendered

231 ms

jansen-display.co.uk screenshot

About Website

Welcome to jansen-display.co.uk homepage info - get ready to check Jansen Display best content for United Kingdom right away, or after learning these important things about jansen-display.co.uk

Jansen Display have over 20 years of experience in providing presentation systems and digital solutions to companies, hotels, restaurants and offices throughout the UK

Visit jansen-display.co.uk

Key Findings

We analyzed Jansen-display.co.uk page load time and found that the first response time was 342 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

jansen-display.co.uk performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

jansen-display.co.uk

342 ms

www.jansen-display.co.uk

987 ms

gtm.js

66 ms

brands.min.css

213 ms

solid.min.css

308 ms

Our browser made a total of 210 requests to load all elements on the main page. We found that 97% of them (204 requests) were addressed to the original Jansen-display.co.uk, 0% (1 request) were made to Googletagmanager.com and 0% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (987 ms) belongs to the original domain Jansen-display.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 230.9 kB (22%)

Content Size

1.1 MB

After Optimization

833.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jansen-display.co.uk main page is 1.1 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. 50% of websites need less resources to load. Images take 660.1 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 133.9 kB

  • Original 153.5 kB
  • After minification 134.5 kB
  • After compression 19.5 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 18.9 kB, which is 12% 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 133.9 kB or 87% of the original size.

Image Optimization

-14%

Potential reduce by 91.7 kB

  • Original 660.1 kB
  • After minification 568.4 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. Obviously, Jansen Display needs image optimization as it can save up to 91.7 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 1.2 kB

  • Original 171.4 kB
  • After minification 171.3 kB
  • After compression 170.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 4.0 kB

  • Original 79.3 kB
  • After minification 79.1 kB
  • After compression 75.2 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. Jansen-display.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (10%)

Requests Now

206

After Optimization

186

  • Images
  • JavaScript
  • CSS

The browser has sent 206 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jansen Display. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jansen-display.co.uk

jansen-display.co.uk

342 ms

www.jansen-display.co.uk

www.jansen-display.co.uk

987 ms

gtm.js

gtm.js

66 ms

brands.min.css

brands.min.css

213 ms

solid.min.css

solid.min.css

308 ms

fontawesome.min.css

fontawesome.min.css

424 ms

fonts.1591109751.css

fonts.1591109751.css

317 ms

bootstrap.min.css

bootstrap.min.css

431 ms

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stylesheet.min.1689017991.css

325 ms

custom_stylesheet.1721404178.css

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441 ms

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promotions_gb.1565131123.css

409 ms

responsive.min.1532959999.css

responsive.min.1532959999.css

421 ms

custom.1606216742.css

custom.1606216742.css

436 ms

custom_jd_scss.1721404178.css

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509 ms

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533 ms

scrollreveal.min.js

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438 ms

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630 ms

BOARD_HOLDERY-60x60__1533206505.jpg

BOARD_HOLDERY-60x60__1533206505.jpg

628 ms

STOJANKY_NA_LETAKY_SUB_GB-60x60__1643254758.jpg

STOJANKY_NA_LETAKY_SUB_GB-60x60__1643254758.jpg

603 ms

PRISLUSENSTVI_KE_STOJANKUM_NA_LETAKY-60x60__1533206505.jpg

PRISLUSENSTVI_KE_STOJANKUM_NA_LETAKY-60x60__1533206505.jpg

613 ms

DITTOTEM43ESF_1-60x60__1567417447.jpg

DITTOTEM43ESF_1-60x60__1567417447.jpg

623 ms

DIDTOTEM43ESF_1_1-60x60__1698206592.jpg

DIDTOTEM43ESF_1_1-60x60__1698206592.jpg

622 ms

DISTOTEM65ESF_1-60x60__1698815072.jpg

DISTOTEM65ESF_1-60x60__1698815072.jpg

632 ms

DSIBOUTTOTEM55ESF_1-60x60__1568019162.jpg

DSIBOUTTOTEM55ESF_1-60x60__1568019162.jpg

632 ms

DIFTOTEM55ESF_1-60x60__1702443878.jpg

DIFTOTEM55ESF_1-60x60__1702443878.jpg

606 ms

DIAT43C9003ESF_1-60x60__1693888605.jpg

DIAT43C9003ESF_1-60x60__1693888605.jpg

614 ms

DIWALL43ESF_1-60x60__1673328951.jpg

DIWALL43ESF_1-60x60__1673328951.jpg

626 ms

DIKIOSK43ESFT_1_1-60x60__1695443941.jpg

DIKIOSK43ESFT_1_1-60x60__1695443941.jpg

624 ms

DIGITAL_SHOPWINDOW-60x60__1626316750.jpg

DIGITAL_SHOPWINDOW-60x60__1626316750.jpg

632 ms

SLIM_CASE-60x60__1533206506.jpg

SLIM_CASE-60x60__1533206506.jpg

632 ms

TRIGRIP-60x60__1721793863.jpg

TRIGRIP-60x60__1721793863.jpg

608 ms

VESA_MOUNT-60x60__1533206506.jpg

VESA_MOUNT-60x60__1533206506.jpg

615 ms

fast_delivery.jpg

fast_delivery.jpg

629 ms

icon_transport_UK.png

icon_transport_UK.png

625 ms

icon_sgs_UK.png

icon_sgs_UK.png

634 ms

NHS%2010mm%20-%20RGB%20Blue_10.png

NHS%2010mm%20-%20RGB%20Blue_10.png

634 ms

RAZITKO_PRINT_UK.png

RAZITKO_PRINT_UK.png

608 ms

JD_homepage_complete_solution_UK%20(1).jpg

JD_homepage_complete_solution_UK%20(1).jpg

826 ms

TFR22WA1_1-220x220__1721790789.jpg

TFR22WA1_1-220x220__1721790789.jpg

628 ms

ZWSE100-230_1_1-220x220__1711512994.jpg

ZWSE100-230_1_1-220x220__1711512994.jpg

626 ms

DTSTGL10_1-220x220__1646097099.jpg

DTSTGL10_1-220x220__1646097099.jpg

636 ms

SCPOCKETA4_1-220x220__1646097543.jpg

SCPOCKETA4_1-220x220__1646097543.jpg

629 ms

harrods.jpg

harrods.jpg

622 ms

mcdonalds.png

mcdonalds.png

650 ms

coca-cola.png

coca-cola.png

630 ms

overground.jpg

overground.jpg

666 ms

tesco.png

tesco.png

636 ms

lavazza.jpg

lavazza.jpg

646 ms

suzuki.jpg

suzuki.jpg

675 ms

NHS.jpg

NHS.jpg

656 ms

spar.png

spar.png

669 ms

MorrisonsNew.png

MorrisonsNew.png

678 ms

TFL.png

TFL.png

649 ms

edmundson.jpg

edmundson.jpg

657 ms

PandG.jpg

PandG.jpg

681 ms

redbull.jpg

redbull.jpg

660 ms

GSK.jpg

GSK.jpg

666 ms

mercedes.jpg

mercedes.jpg

683 ms

loreal.png

loreal.png

647 ms

debenhams.jpg

debenhams.jpg

654 ms

dhl.png

dhl.png

680 ms

toni-guy.jpg

toni-guy.jpg

657 ms

abb.jpg

abb.jpg

662 ms

olympus.jpg

olympus.jpg

697 ms

hitachi.png

hitachi.png

650 ms

arriva.png

arriva.png

652 ms

Nestle.jpg

Nestle.jpg

683 ms

BBC.png

BBC.png

662 ms

itv.png

itv.png

659 ms

Siemens.jpg

Siemens.jpg

695 ms

coop.png

coop.png

649 ms

nano-icon.png

nano-icon.png

651 ms

alu-icon.png

alu-icon.png

686 ms

check-icon.png

check-icon.png

631 ms

jd-loading.gif

jd-loading.gif

655 ms

RAZITKO_UK_NEW.png

RAZITKO_UK_NEW.png

654 ms

free_shipping_gb.png

free_shipping_gb.png

650 ms

owl.carousel.1689017991.css

owl.carousel.1689017991.css

106 ms

Accessibility Review

jansen-display.co.uk accessibility score

90

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

Best Practices

jansen-display.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

jansen-display.co.uk SEO score

77

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Jansen-display.co.uk 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 Jansen-display.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

jansen-display.co.uk

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