Tools & Wizards About Us
jeld-wen.co.uk screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

jeld-wen.co.uk

JELD-WEN | UK Doorset Manufacturer

Page Load Speed

3.6 sec in total

First Response

386 ms

Resources Loaded

2.5 sec

Page Rendered

707 ms

jeld-wen.co.uk screenshot

About Website

Visit jeld-wen.co.uk now to see the best up-to-date JELD WEN content for United Kingdom and also check out these interesting facts you probably never knew about jeld-wen.co.uk

At JELD-WEN UK we manufacturer a wide range of high quality timber doorsets including fire door and security rated doorsets.

Visit jeld-wen.co.uk

Key Findings

We analyzed Jeld-wen.co.uk page load time and found that the first response time was 386 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

jeld-wen.co.uk performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value1,070 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.185

66/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

jeld-wen.co.uk

386 ms

www.jeld-wen.co.uk

639 ms

uc.js

54 ms

CookieHelper.js

376 ms

WebResource.axd

377 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 32% of them (32 requests) were addressed to the original Jeld-wen.co.uk, 52% (53 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Script.crazyegg.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Jeld-wen.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 283.6 kB (9%)

Content Size

3.0 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jeld-wen.co.uk main page is 3.0 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. 65% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-55%

Potential reduce by 145.0 kB

  • Original 264.6 kB
  • After minification 250.0 kB
  • After compression 119.6 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 145.0 kB or 55% of the original size.

Image Optimization

-2%

Potential reduce by 35.7 kB

  • Original 1.8 MB
  • After minification 1.7 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. JELD WEN images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 102.8 kB

  • Original 972.2 kB
  • After minification 972.2 kB
  • After compression 869.4 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 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (42%)

Requests Now

45

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JELD WEN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jeld-wen.co.uk

jeld-wen.co.uk

386 ms

www.jeld-wen.co.uk

www.jeld-wen.co.uk

639 ms

uc.js

uc.js

54 ms

CookieHelper.js

CookieHelper.js

376 ms

WebResource.axd

WebResource.axd

377 ms

GetResource.ashx

GetResource.ashx

504 ms

ScriptResource.axd

ScriptResource.axd

572 ms

ScriptResource.axd

ScriptResource.axd

492 ms

pinit.js

pinit.js

42 ms

jquery-ui.min.js

jquery-ui.min.js

50 ms

jquery.timepicker.min.js

jquery.timepicker.min.js

49 ms

lightbox-plus-jquery.min.js

lightbox-plus-jquery.min.js

538 ms

gtm.js

gtm.js

75 ms

js

js

57 ms

insight.min.js

insight.min.js

168 ms

core.js

core.js

23 ms

9368.js

9368.js

179 ms

css

css

155 ms

GetResource.ashx

GetResource.ashx

283 ms

GetResource.ashx

GetResource.ashx

268 ms

GetResource.ashx

GetResource.ashx

1030 ms

insight_tag_errors.gif

insight_tag_errors.gif

313 ms

www.jeld-wen.co.uk.json

www.jeld-wen.co.uk.json

29 ms

fbevents.js

fbevents.js

28 ms

teads-fellow.js

teads-fellow.js

59 ms

0309107bb489f56df4c879967172796d.js

0309107bb489f56df4c879967172796d.js

24 ms

logo.svg

logo.svg

178 ms

GB.svg

GB.svg

176 ms

Icons.svg

Icons.svg

85 ms

icons.svg

icons.svg

86 ms

Swedoor-Campaign-Hero-Banner.jpg.aspx

Swedoor-Campaign-Hero-Banner.jpg.aspx

244 ms

iStock-1313787429.aspx

iStock-1313787429.aspx

364 ms

icons.svg

icons.svg

241 ms

iStock-509228272-jpg-resized.jpg.aspx

iStock-509228272-jpg-resized.jpg.aspx

319 ms

iStock-1250269879-jpg-resized.aspx

iStock-1250269879-jpg-resized.aspx

547 ms

shutterstock_572499661-small.jpg.aspx

shutterstock_572499661-small.jpg.aspx

598 ms

600-iStock-1165384568_Apartment-Blocks.aspx

600-iStock-1165384568_Apartment-Blocks.aspx

389 ms

14_157_N26-e1541088280939-2000x1333-jpg-resized.jpg.aspx

14_157_N26-e1541088280939-2000x1333-jpg-resized.jpg.aspx

432 ms

JWD4091-Doorsets-Enquiry-Tool_Banner_1440x528.aspx

JWD4091-Doorsets-Enquiry-Tool_Banner_1440x528.aspx

474 ms

JWD2913-FD-Images_540x360.jpg.aspx

JWD2913-FD-Images_540x360.jpg.aspx

511 ms

JWDXXXX-Multi-occupany-Banner_560x360.jpg.aspx

JWDXXXX-Multi-occupany-Banner_560x360.jpg.aspx

547 ms

JWG3895-White-Paper-Banner_560x360.jpg.aspx

JWG3895-White-Paper-Banner_560x360.jpg.aspx

590 ms

crown-house-image-540-360.jpg.aspx

crown-house-image-540-360.jpg.aspx

650 ms

FAQ.jpg.aspx

FAQ.jpg.aspx

814 ms

bed-banner-1620-540.aspx

bed-banner-1620-540.aspx

664 ms

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Installer_joiner.jpg.aspx

819 ms

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pinit_main.js

17 ms

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67 ms

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memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4jaVQUwaEQXjN_mQ.woff

71 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4saVQUwaEQXjN_mQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4saVQUwaEQXjN_mQ.woff

63 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4kaVQUwaEQXjN_mQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4kaVQUwaEQXjN_mQ.woff

69 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4taVQUwaEQXjN_mQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4taVQUwaEQXjN_mQ.woff

91 ms

wlp2gwHKFkZgtmSR3NB0oRJfbwhVIfFd3A.woff

wlp2gwHKFkZgtmSR3NB0oRJfbwhVIfFd3A.woff

90 ms

wlp2gwHKFkZgtmSR3NB0oRJfYQhVIfFd3IhG.woff

wlp2gwHKFkZgtmSR3NB0oRJfYQhVIfFd3IhG.woff

89 ms

wlp2gwHKFkZgtmSR3NB0oRJfYAhVIfFd3IhG.woff

wlp2gwHKFkZgtmSR3NB0oRJfYAhVIfFd3IhG.woff

89 ms

Accessibility Review

jeld-wen.co.uk accessibility score

80

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

Links do not have a discernible 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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

jeld-wen.co.uk best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

jeld-wen.co.uk SEO score

86

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jeld-wen.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 Jeld-wen.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

jeld-wen.co.uk

Open Graph description is not detected on the main page of JELD WEN. 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: